VOLTCRAFT FG-2102, FG-2252, FG-2502, FG-2602 User guide

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Dual-Channel Arbitrary

Waveform Generator

 FG-2102  FG-2252  FG-2502  FG-2602

User Manual

General Warranty

We warrants that the product will be free from defects in materials and workmanship for a period of 3 years (1 year for accessories) from the date of purchase of the product by the original purchaser from the our Company. This warranty only applies to the original purchaser and is not transferable to the third party.

If the product proves defective during the warranty period, we either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. Parts, modules and replacement products used by our company for warranty work may be new or reconditioned like new performance. All replaced parts, modules and products become the property of our company.

In order to obtain service under this warranty, customer must notify our company of the defect before the expiration of the warranty period. Customer shall be responsible for packaging and shipping the defective product to the service center designated by our company, and with a copy of customer proof of purchase.

This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. We shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than our company representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction caused by the use of not our supplies; or d) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product.

Please contact the nearest Sales and Service Offices for services or a complete copy of the warranty statement.

Excepting the after-sales services provided in this summary or the applicable warranty statements,

we will not offer any guarantee for maintenance definitely declared or hinted, including but not

limited to the implied guarantee for marketability and special-purpose acceptability. We should not

take any responsibilities for any indirect, special or consequent damages.

Table of Contents

1.General Safety Requirements ..................................................................................... 1

2.Safety Terms and Symbols ......................................................................................... 2

3.General Characteristics ............................................................................................. 3

4.Quick Start ................................................................................................................ 4

Front/Rear Panel and User Interface ................................................................................... 5

Front Panel ............................................................................................................................................... 5

Rear Panel ................................................................................................................................................ 6

User Interface ........................................................................................................................................... 7

General Inspection .............................................................................................................. 8

Foot Stool Adjustment ........................................................................................................ 8

Power-On Check ................................................................................................................. 8

AC Power Input Setting ............................................................................................................................ 8

Power On .................................................................................................................................................. 9

5.Front Panel Operation ............................................................................................ 10

To set channels .................................................................................................................. 11

To set signals ..................................................................................................................... 12

To Output Sine Signals ............................................................................................................................ 12

To Set the Frequency/Period ............................................................................................................................... 12

To Set the Amplitude ........................................................................................................................................... 13

To Set the Offset .................................................................................................................................................. 13

To Set the High Level ............................................................................................................................................ 13

To Set the Low Level ............................................................................................................................................ 13

To Output Square Signals ....................................................................................................................... 13

To Set the Duty Cycle ........................................................................................................................................... 14

To Output Ramp Signals ......................................................................................................................... 15

To Set the Symmetry ............................................................................................................................................ 15

To Output Pulse Signals .......................................................................................................................... 16

To Set the Pulse Width / Duty Cycle .................................................................................................................... 17

To Output Noise Signals ......................................................................................................................... 17

To Output Arbitrary Signals .................................................................................................................... 18

To Select the Built-in Waveform ........................................................................................................................... 19

The User-Definable Waveform ............................................................................................................................. 20

To Output DC .......................................................................................................................................... 22

To Generate the Modulated Waveform .............................................................................. 22

AM (Amplitude Modulation) .................................................................................................................. 22

FM (Frequency Modulation) .................................................................................................................. 24

PM (Phase Modulation) .......................................................................................................................... 25

PWM (Pulse Width Modulation) ............................................................................................................ 26

FSK (Frequency Shift Keying) .................................................................................................................. 26

ASK (Amplitude Shift Keying) ................................................................................................................. 28

PSK (Phase Shift Keying) ......................................................................................................................... 29

To Generate Sweep ............................................................................................................ 30

To Generate Burst .............................................................................................................. 31

Set the N-Cycle Burst .............................................................................................................................. 32

Set the Gated Burst ................................................................................................................................ 33

To Save and Recall ............................................................................................................. 33

To Use USB Storage ................................................................................................................................ 33

To Edit the File Name ............................................................................................................................. 34

To Set the Utility Function .................................................................................................. 34

To Set Display Parameter ....................................................................................................................... 34

To Set the Bright .................................................................................................................................................. 34

To Set the Separator ............................................................................................................................................ 35

To Set the Screen Saver ........................................................................................................................................ 35

To Set the Counter ................................................................................................................................. 35

To Set Output Parameter ....................................................................................................................... 36

To Set the Output Load ........................................................................................................................................ 36

To Set the Phase Deviation .................................................................................................................................. 36

To Set the System ................................................................................................................................... 37

Language Setting.................................................................................................................................................. 37

Power On Setting ................................................................................................................................................. 37

To Return to Default Setting................................................................................................................................. 37

To Set the Beep .................................................................................................................................................... 38

View System Information .................................................................................................................................... 38

To Set the Clock Source ........................................................................................................................................ 39

To Use Built-in Help ........................................................................................................... 39

6.Communication with PC ......................................................................................... 40

7.SCPI ....................................................................................................................... 41

8.Troubleshooting ...................................................................................................... 41

9.Technical Specifications .......................................................................................... 42

10.Appendix ............................................................................................................... 48

Appendix A: Enclosure ....................................................................................................... 48

Appendix B: General Care and Cleaning .............................................................................. 48

1.General Safety Requirements

1. General Safety Req uirements

Before any operations, please read the following safety precautions to avoid any possible bodily injury and prevent this product or any other products connected from damage. In order to avoid any contingent danger, this product is only used within the range specified.

Check AC power input setting according to the standards in your own country (see page 8, AC Power Input Setting).

Only the qualified technicians can implement the maintenance.

To avoid Fire or Personal Injury:

 Use Proper Power Cord. Use only the power cord supplied with the product and

certified to use in your country.

 Product Grounded. This instrument is grounded through the power cord grounding

conductor. To avoid electric shock, the grounding conductor must be grounded. The product must be grounded properly before any connection with its input or output terminal.

 Check all Terminal Ratings. To avoid fire or shock hazard, check all ratings and

markers of this product. Refer to the user's manual for more information about ratings before connecting to the instrument.

 Do not operate without covers. Do not operate the instrument with covers or panels

removed.

 Use Proper Fuse. Use only the specified type and rating fuse for this instrument.  Avoid exposed circuit. Do not touch exposed junctions and components when the

instrument is powered.

 Do not operate if in any doubt. If you suspect damage occurs to the instrument,

have it inspected by qualified service personnel before further operations.

 Use your instrument in a well-ventilated area. Make sure the instrument installed

with proper ventilation, refer to the user manual for more details.

 Do not operate in wet conditions.  Do not operate in an explosive atmosphere.  Keep product surfaces clean and dry.

2.Safety Terms and Symbols

2. Safety Terms and Symbols

Safety Terms

Terms in this Manual. The following terms may appear in this manual:

Warning: Warning indicates the conditions or practices that could result in

injury or loss of life.

Caution: Caution indicates the conditions or practices that could result in

damage to this product or other property.

Terms on the Product. The following terms may appear on this product:

Danger: It indicates an injury or hazard may immediately happen.

Warning: It indicates an injury or hazard may be accessible potentially.

Caution: It indicates a potential damage to the instrument or other property might occur.

Safety Symbols

Symbols on the Product. The following symbol may appear on the product:

Hazardous Voltage

Protective Earth Terminal

Test Ground

Refer to Manual

Chassis Ground

3.General Characteristics

3. General Characteristics

The product is dual-channel multi-function generator which combines Arbitrary Waveform Generation and Function Generation. The product introduces Direct Digital Synthesizer (DDS) technology to provide stable, precise, pure and low distortion signal. The user-friendly interface design and panel layout bring exceptional user experience. Support USB storage device. Provide more alternative solutions for users.

Features and benefits:

 3.9 inch high resolution (480 × 320 pixels) TFT LCD display;  Advanced DDS technology, max. 60 MHz frequency output;  Max. Sample rate: 300 MSa/s, Frequency resolution: 1 μHz;  Vertical resolution: 14 bits, max. 1 M waveform record length;  Abundant waveform output: 5 basic waveforms and 45 built-in arbitrary waveforms

output;

 Exponential rise, Exponential fall, Sin(x)/x, Staircase, etc. 45 built-in waveforms and

user defined arbitrary waveform;

 Abundant modulation functions along with output liner/logarithm sweep and pulse

string waveform;

 Standard interface: USB port, USB (type B) connector.

4.Quick Start

4. Quick Start

This chapter will deal with the following topics mainly:

 Front/Rear Panel Overview  User Interface Overview  How to Implement General Inspection  How to Adjust the Foot Stools  How to Implement Power-On Check

4.Quick Start

① ② ③

④

⑥

⑱

⑬

⑮

⑭

⑯

⑲

⑩

⑪

⑦ ⑧

⑨

⑫

⑤

⑰

LCD

Display the user interface

Menu selection buttons

sign

Knob

Change the current highlighted number, also can be used to select file location or switch the character of the soft

Cycle Burst, if you choose Source as

Copy menu.

Direction key

Move the cursor of the focused parameter or select the file locations

Save button

Store/recall the user-defined arbitrary waveform data

Utility button

Set the auxiliary system function.

Help button

View the build-in help information

CH2 Output Control

Turn on/off the output of CH2. The backlight will be lighted

Front/Rear Panel and User Interface

Front Panel

Figure 4-1 Front panel overview (FG-2252 shown)

①

②

Number keys Input parameters, include: number, point and plus/minus

③

④

⑤

Include 5 buttons: F1 - F5, activate the corresponding menu

keyboard when entering file name. In Sweep and N"Manual", every time you press this knob, the generator will be triggered once. In signal output interface, press this knob to enter Channel

⑥

⑦

⑧

⑨

when CH2 is tuned on.

⑩

CH2 Output

Output signal of CH2

Foot stool

Make the instrument to be tilted for ease of operation

CH1 Output Control

Turn on/off the output of CH1. The backlight will be lighted when CH1 is tuned on.

CH1 Output

Output signal of CH1

CH1/2 button

Switch channel displayed on the screen between CH1 and CH2.

Generate the Modulated waveforms, Sweep and Burst; these functions are only used for CH1.

Both button

Display the editable parameters of both channels. When the function is enabled, the backlight of the button turns on.

USB port

Connect with an external USB device, such as connect a USB device to the instrument.

Waveform selection

waveform is selected, the backlight of the button turns on.

Power button

Turn on/off the generator

①

⑤

④

③

②

⑥⑦

⑪

⑫

⑬

⑭

Modulation (Mod)

⑮

⑯

⑰

4.Quick Start

⑱

buttons

⑲

Rear Panel

Include: Sine , Square , Ramp , Pulse ,

Noise and Arbitrary waveform. When a

Figure 4-2 Rear panel overview

①

Power socket

AC input connector

Fuse

The rating is 220 - 240 VAC

250 V, F0.5AL

This can be used to connect a USB type B controller.

and controlled via PC software.

Connector

Ext Trig/Burst/Fsk In connector

This signal can be used as external signal source in Sweep, Burst and FSK mode.

Ref Clk/Counter In connector

, or to accept the input

signal of counter. ( See page 39, To Set the Counter)

Ref Clk Out

To synchronize generators. Output a clock signal generated

Clock Source)

④

⑨ ⑧

③

⑦

②

①

⑥

⑤

⑩

⑪

Current channel

②

Parameter 1, display parameter and edit the focused parameter

③

Current signal type or mode

④

The setting menu of current signal or mode

⑤

Parameter 3, display parameter and edit the focused parameter

②

4.Quick Start

USB (type B)

③

connector

Ext Mod In

④

⑤

⑥

⑦

connector

User Interface

Connect with an external device, such as connected to a PC

External modulation input, use it as external signal source.

To accept an external clock signal

by the crystal inside the generator. (See page 39, To Set the

Figure 4-3 User interface (take Sine for instance)

①

4.Quick Start

⑥

Parameter 2, display parameter and edit the focused parameter

⑦

Display current waveform

⑧

Offset/low level, depends on the highlighted menu item on the right

⑨

Amplitude/high level, depends on the highlighted menu item on the right

⑩

Frequency/period, depends on the highlighted menu item on the right

⑪

Load, High Z represents high resistance

General Inspection

After you get a new Waveform Generator, it is recommended that you should make a check on the instrument according to the following steps:

1. Check whether there is any damage caused by transportation.

If it is found that the packaging carton or the foamed plastic protection cushion has suffered serious damage, do not throw it away first till the complete device and its accessories succeed in the electrical and mechanical property tests.

2. Check the Accessories

The supplied accessories have been already described in the Appendix A: Enclosure of this Manual. You can check whether there is any loss of accessories with reference to this description. If it is found that there is any accessory lost or damaged, please get in touch with your distributor or our local office.

3. Check the Complete Instrument

If it is found that there is damage to the appearance of the instrument, or the instrument can not work normally, or fails in the performance test, please get in touch with your distributor or our local office. If there is damage to the instrument caused by the transportation, please keep the package. With the transportation department or the distributor responsible for this business be informed about it, a repairing or replacement of the instrument will be arranged by the distributor.

Foot Stool Adjustment

Unfold the foot stools on the bottom of the generator, as ⑪ in Figure 4-1.

Power-On Check

AC Power Input Setting

Adopt 100 - 120 VAC or 220 - 240 VAC power source. Users should regulate the voltage scale of the Power Switch according to the standards in their own country (see Figure 4-2)

4.Quick Start

at the rear panel.

To change the voltage scale of the instrument, do the following steps:

(1) Turn off the power button at the front panel and remove the power cord. (2) Regulate the Power Switch to the desired voltage scale.

Power On

(1) Connect the instrument to the AC supply using the supplied power cord.

Warning: To avoid electric shock, the instrument must be grounded properly.

(2) Press down the power button at the front panel, the screen shows the boot screen.

5.Front Panel Operation

5. Front Panel Operation

This chapter will deal with the following topics mainly:

 How to Set Channels  How to Output Sine Signals  How to Output Square Signals  How to Output Ramp Signals  How to Output Pulse Signals  How to Output Noise Signals  How to Output Arbitrary Signals  How to Output DC  How to Generate the Modulated Waveform  How to Generate Sweep  How to Generate Burst  How to Save and Recall  How to Set the Utility Function  How to Use Built-in Help

5.Front Panel Operation

CH1 Waveform

Parameter 1

Parameter 4

CH2

Waveform

Parameter 1

Parameter 2

Parameter 3

Parameter 2

Parameter 3

To set channels

 To Switch Channels for Display

Press CH1/2 button to switch channel displayed on the screen between CH1 and CH2.

 To Display/Edit Both Channels

Press Both button to display the parameters of both channels.

To switch channel: Press CH1/2 to switch the editable channel.

To select waveform: Press Waveform selection buttons to select waveform of current

channel.

To select parameter: Press F2 - F5 to choose the Parameter 1 to Parameter 4;

Press it again to switch the current parameter such as Frequency/Period.

To edit parameter: Turn the knob to change the value of cursor position. Press / direction key to move the cursor. (The number keys can not be used to input.)

Figure 5-1: The User Inter face of Both button

 To Turn On/Off Output of Channels

Press CH1 or CH2 to turn on/off output of the corresponding channel. The indicator will

be lighted when the corresponding channel is tuned on.

 Channel Copy

(1) In signal output interface, press the knob on the front panel to enter Channel Copy

menu.

(2) Press F1 to select From CH2 To CH1, or press F2 to select From CH1 To CH2.

5.Front Panel Operation

Channel

Setting menu of Sine signal

Amplitude

Load

Offset

Current signal

Frequency

Parameter 3

Parameter 2

Parameter 1

Sine

To set signals

The following describes how to set and output Sine, Square, Ramp, Pulse, Noise, Arbitrary, DC signals and copy channel.

To Output Sine Signals

Press button to call the user interface of Sine signal, the Sine waveform parameters can be set by operating the Sine setting menu on the right.

The parameters of Sine waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level. You can operate the menu by using the menu selection buttons on the right.

Figure 5-2: The User Inter face of Sine Signal

To Set the Frequency/Period

Press F1 button, the chosen menu item is highlighted, the focused parameter is displayed in Parameter 1. Press F1 button to switch between Frequency/Period.

Two methods to change the chosen parameter:

 Turn the knob to change the value of cursor position. Press / direction key to

 Press a number key in the front panel, an input box will pop up; keep going to input

move the cursor.

the value. Press direction key to delete the last number. Press F1 - F3 to choose the unit, or press F4 to go to next page and choose other units. Press F5 to cancel the input.

5.Front Panel Operation

Figure 5-3: Set the frequency using number keys

To Set the Amplitude

Press F2 , confirm whether the "Ampl" menu item is highlighted; if not, press F2 to

switch into "Ampl". In Parameter 2, a cursor appears under the value of amplitude. Use the knob or the number keys to set the desired value.

To Set the Offset

Press F3 , confirm whether the "Offset" menu item is highlighted; if not, press F3

to switch into "Offset". In Parameter 3, a cursor appears under the value of offset. Use the knob or the number keys to set the desired value.

To Set the High Level

Press F2 , confirm whether the "Hi_Level" menu item is highlighted; if not, press F2 to switch into "Hi_Level". In Parameter 2, a cursor appears under the value of

amplitude. Use the knob or the number keys to set the desired value.

To Set the Low Level

Press F3 , confirm whether the "Lo_Level" menu item is highlighted; if not, press F3 to switch into "Lo_Level". In Parameter 3, a cursor appears under the value of

offset. Use the knob or the number keys to set the desired value.

To Output Square Signals

Press button to call the user interface of Square signal, the Square waveform parameters can be set by operating the Square setting menu on the right.

The parameters of Square waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Duty, TTL Output. You can operate the menu by using the menu selection buttons on the right.

To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 12.

Press F5 button to select TTL Output, TTL level will be outputted. When the load is

High Z, the output signal is set to 5Vpp amplitude and 2.5V offset. When the load is 50 Ω,

5.Front Panel Operation

Channel

Setting menu of Square signal

Amplitude

Load

Offset

Current signal

Frequency

Parameter 1

Duty cycle

Parameter 2

Parameter 3

Term Explanation

The percentage that the High Level takes up the whole Period.

the output signal is set to 2.5Vpp amplitude and 1.25V offset.

Figure 5-4: The User Inter face of Square Signal

Duty Cycle:

To Set the Duty Cycle

(1) Press F4 button, the "Duty" menu item is highlighted, the current value of the

Duty cycle is displayed in Parameter 1.

(2) Turn the knob to change the value directly;

or press the number keys to input the desired value, press F4 to choose "%".

Figure 5-5: Set the Duty cycle of Square signal

5.Front Panel Operation

Channel

Setting menu of Ramp signal

Amplitude

Load

Offset

Current signal

Frequency

Parameter 1

Symmetry

Parameter 2

Parameter 3

Term Explanation

The percentage that the Rising Period takes up the whole Period.

To Output Ramp Signals

Press button to call the user interface of Ramp signal, the Ramp waveform

parameters can be set by operating the Ramp setting menu on the right.

The parameters of Ramp waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Symmetry. You can operate the menu by using the menu selection buttons on the right.

To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 12.

Figure 5-6: The User Inter face of Ramp Signal

Symmetry:

To Set the Symmetry

(1) Press F4 button, the "Symmetry" menu item is highlighted, the current value of

the symmetry is displayed in Parameter 1.

(2) Turn the knob to change the value directly;

or press the number keys to input the desired value, press F4 to choose "%".

5.Front Panel Operation

Channel

Setting menu of Pulse signal

Amplitude

Load

Offset

Current signal

Frequency

Pulse width

Parameter 2

Parameter 3

Parameter 1

Figure 5-7: Set the symmetry of Ramp signal

To Output Pulse Signals

Press button to call the user interface of Pulse signal, the Pulse waveform parameters can be set by operating the Pulse setting menu on the right.

The parameters of Pulse waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Pulse Width/Duty. You can operate the menu by using the menu selection buttons on the right.

To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 12.

Figure 5-8: The User Inter face of Pulse Signal

5.Front Panel Operation

Term Explanation

time span between thresholds of 50% of the rising edge

the time span between thresholds of 50% of the falling edge

the formula is: Pulse Width = Period * Duty Cycle.

Pulse Width:

There are two kinds of Pulse Width—positive and negative. Positive Pulse Width is the amplitude to the next 50% of the falling edge amplitude. Negative Pulse Width is amplitude to the next 50% of the rising edge amplitude. Pulse Width is determined by Period and Duty Cycle;

To Set the Pulse Width / Duty Cycle

(1) Press F4 button, the chosen menu item is highlighted, the focused parameter is

displayed in Parameter 1. Press F4 to switch between Pulse Width/Duty.

(2) Turn the knob to change the value directly;

or press the number keys to input the desired value and choose the unit.

Figure 5-9: Set the Pulse Width of Pulse signal

To Output Noise Signals

The noise signal which the generator output is white noise. Press button to call the user interface of Noise signal, the Noise waveform parameters can be set by operating the Noise setting menu on the right.

The parameters of Noise waveform are: Amplitude/High Level, Offset/Low Level. You can operate the menu by using the menu selection buttons on the right.

To set the Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 12.

5.Front Panel Operation

Setting menu of Noise signal

Amplitude

Load

Offset

Current signal

Channel

Parameter 2

Parameter 3

Noise waveform

Channel

Setting menu of Arbitrary signal

Amplitude

Load

Offset

Current signal

Frequency

Parameter

Parameter 2

Parameter 3

Built-

in Exponential

Rise Waveform

Figure 5-10: The User Interface of Noise Signal

To Output Arbitrary Signals

Press button to call the user interface of Arbitrary signal, the Arbitrary waveform parameters can be set by operating the Arbitrary setting menu on the right.

The menu items of Arbitrary waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Built-in Waveform, Editable Waveform. You can operate the menu by using the menu selection buttons on the right.

To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 12.

The Arbitrary signal consists of two types: the system built-in waveform and the user-definable waveform.

Figure 5-11: The User Interface of Arbitrary Signal

5.Front Panel Operation

Name

Explanation

To Select the Built-in Waveform

There are 45 built-in Arbitrary waveforms.

Steps for selecting the built-in waveform:

(1) Press button, then press F4 to enter the Built-in Wform menu. (2) Press F1 - F4 to select Common, Maths, Window or Others. E.g. select Maths

to enter the following interface.

(3) Turn the knob or press / direction key to choose the desired waveform. E.g.

select ExpRise. Press F1 to output the Exponential Rise waveform.

Built-in Waveform Table

Common

StairD Stair-down waveform StairU Stair-up waveform StairUD Stair-up and stair-down waveform Trapezia Trapezoid waveform RoundHalf RoundHalf wave AbsSine Absolute value of a Sine AbsSineHalf Absolute value of half a Sine SineTra Sine transverse cut SineVer Sine vertical cut NegRamp Negative ramp AttALT Gain oscillation curve AmpALT Attenuation oscillation curve CPulse Coded pulse PPulse Positive pulse NPulse Negative pulse

Maths

ExpRise Exponential rise function ExpFall Exponential fall function

5.Front Panel Operation

Windows

Others

Menu item

Instruction

Create Wform

Create a new waveform.

Select the waveform stored in internal storage (FLASH) or USB device (USBDEVICE).

Edit Wform

Edit the stored waveform.

Sinc Sinc function Tan Tangent Cot Cotangent Sqrt Square root XX Square function HaverSine HaverSine function Lorentz Lorentz function ln Natural logarithm function Cubic Cubic function Cauchy Cauchy distribution Besselj BesselI function Bessely BesselII function Erf Error function Airy Airy function

Rectangle Rectangle window Gauss Gauss distribution Hamming Hamming window Hann Hanning window Bartlett Bartlett window Blackman Blackman window Laylight Laylight window Triang Triangle window (Fejer window)

DC DC signal Heart Heart signal Round Round signal LFMPulse Linear FM pulse Rhombus Rhombus signal Cardiac Cardiac signal

The User-Definable Waveform

Press button and press F5 to select "Editable Wform".

Select Wform

5.Front Panel Operation

How to Create a New Waveform

(1) Enter the operation menu: Press →Editable Wform →Create Wform. (2) Set the number of waveform points: Press F1 to select "Wform Points", turn the

knob or press the number keys to input the desired value and choose the unit. X1, XK, XM respectively represent 1, 1000, 1000,000. The waveform points range is 2 1000,000.

(3) Set the interpolation: Press F2 to switch between On/Off. If you choose On, the

points will be connected with beelines; otherwise, the voltages between two consecutive points will not change, and the waveform looks like a step-up one.

(4) Edit the waveform points: Press F3 to enter the operation menu.

 Press F1 to choose "Points", input the number of the point to be edited.  Press F2 to choose "Voltage", input the voltage for the current point.  Repeat the step above, set all the points to your needs.

 Press F4 to choose "Store", enter the file system. If a USB device is

connected, press / direction key to select the storage. "USBDEVICE" is

the USB device storage, "FLASH" is the internal storage. Choose Next level, enter

the desired storage path, choose Save, an input keyboard pops up, input the file

name, and then choose DONE.

How to Select a Stored Waveform

(1) Enter the operation menu: Press →Editable Wform →Select Wform. (2) Enter the storage path of the desired waveform file. Turn the knob or press /

direction key to select the desired waveform file.

(3) Choose Recall output.

How to Edit a Stored Waveform

(1) Enter the operation menu: Press →Editable Wform →Edit Wform. (2) Enter the storage path of the desired waveform file. Turn the knob or press /

direction key to select the desired waveform file.

(3) Choose Recall suppress.

How to Delete a Stored Waveform

(1) Press Save function button to enter the file system. (2) Enter the storage path of the desired waveform file. Turn the knob or press /

direction key to select the desired waveform file.

(3) Choose Delete.

5.Front Panel Operation

DC Voltage

Parameter 3

To Output DC

(1) Press CH1/2 to select the channel that you want to output DC. (2) Press button, then press F4 to enter the Built-in Wform menu. (3) Press F4 to select Others. Select DC. Press F1 to output DC.

(4) Press F3 , confirm whether the "Offset" menu item is highlighted; if not, press

F3 to switch into "Offset". In Parameter 3, a cursor appears under the value of

offset. Use the knob or the number keys to set the desired value and choose the unit.

Figure 5-12: The DC Setting Interface

To Generate the Modulated Waveform

Modulation function is only used for CH1. Press the Mod button, then press F1 to

select Mod to generate modulated waveform. The waveform generator can modulate waveform using AM, FM, PM, PWM, FSK, ASK and PSK. To turn off the modulation, press

the Mod button.

AM (Amplitude Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. The Carrier Waveform can only be Sine. In AM, the amplitude of the Carrier Waveform varies with the instantaneous voltage of the modulating waveform. The user interface of the AM is shown as below.

5.Front Panel Operation

Current Parameter

Carrier

Frequency

Carrier

Amplitude

Carrier Waveform

Modulating Waveform

Load

Mod Depth

AM Frequency

Mod Type

Mod Shape

Source

Figure 5-13: The User Interface of AM

How to set the parameters of AM

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to AM. If the Carrier Waveform is not Sine, the

system will switch it to Sine automatically.

(3) Press button to display the waveform and parameters of the Carrier

Waveform. You can change the parameters, please refer to To Output Sine Signals on

page 12. Press button again to return to the Modulation mode interface.

(4) Press F5 to select the source. If the source is External, use the Ext Mod In

connector in the rear panel to input the external signal, the setting of AM is finished.

If you choose Internal, continue to the steps below.

(5) Press F2 to choose Mod Shape, you can choose Sine, Square ,Ramp, Noise or

Arb .

(6) Press F3 to set AM Frequency. The range is 2 mHz - 20 kHz (Internal source only). (7) Press F4 to set Mod Depth. The range is 0% - 100%.

5.Front Panel Operation

Term Explanation

In the 0% Modulation, the output

Modulation, the output amplitude

panel. +1V corresponds to the currently set depth 100%.

Current Parameter

Carrier

Frequency

Carrier

Amplitude

Carrier Waveform

Modulating Waveform

Load

Frequency Deviation

FM Frequency

Mod Type

Mod Shape

Source

AM Frequency:

The frequency of modulating waveform.

Mod Depth:

The Amplitude Range of modulating waveform. amplitude is the half of the set one. In the 100％ is the same with the set one. For an external source, the depth of AM is controlled by the voltage level of the signal connected to the Ext Mod In connector in the rear

FM (Frequency Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. The Carrier Waveform can only be Sine. In FM, the frequency of the Carrier Waveform varies with the instantaneous voltage of the modulating waveform. The user interface of the FM is shown as below.

Figure 5-14: The User Interface of FM

How to set the parameters of FM

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to FM. If the Carrier Waveform is not Sine, the

system will switch it to Sine automatically.

(3) Press button to display the waveform and parameters of the Carrier

Waveform. You can change the parameters, please refer to To Output Sine Signals on

page 12. Press button again to return to the Modulation mode interface.

(4) Press F5 to select the source. If the source is External, use the Ext Mod In

connector in the rear panel to input the external signal, then skip ahead to step (7). If

you choose Internal, continue to the steps below.

5.Front Panel Operation

Current Parameter

Carrier

Frequency

Carrier

Amplitude

Carrier Waveform

Modulating Waveform

Load

Phase Deviation

PM Frequency

Mod Type

Mod Shape

Source

(5) Press F2 to choose Mod Shape, you can choose Sine, Square ,Ramp, Noise or

Arb .

(6) Press F3 to set Mod Frequency. The range is 2 mHz - 20 kHz (Internal source

only).

(7) Press F4 to set FM Deviation. The Deviation should be less than the Carrier

Waveform Frequency.

Note: The Sum of the Deviation and the Carrier Frequency must be less than or equal to the sum of upper limit of current carrier frequency and 1kHz.

For an External Source, the Deviation is controlled by the voltage Level of the signal connected to the Ext Mod In connector in the rear panel. +1 V corresponds to the selected Deviation and -1 V to the negative selected Deviation.

PM (Phase Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. The Carrier Waveform can only be Sine. In PM, the phase of the Carrier Waveform varies with the instantaneous voltage level of the modulating waveform. The user interface of the PM is shown as below.

Figure 5-15: The User Interface of PM

How to set the parameters of PM

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to PM. If the Carrier Waveform is not Sine, the

system will switch it to Sine automatically.

(3) Press button to display the waveform and parameters of the Carrier

Waveform. You can change the parameters, please refer to To Output Sine Signals on

5.Front Panel Operation

page 12. Press button again to return to the Modulation mode interface.

(4) Press F5 to select the source. If the source is External, use the Ext Mod In

connector in the rear panel to input the external signal, then skip ahead to step (7). If

you choose Internal, continue to the steps below.

(5) Press F2 to choose Mod Shape, you can choose Sine, Square ,Ramp, Noise or

Arb .

(6) Press F3 to set PM Frequency. The range is 2 mHz - 20 kHz (Internal source only). (7) Press F4 to set Phase Deviation. The Phase Deviation between the Modulating

Waveform and the Carrier Waveform ranging from 0° to 180°.

PWM (Pulse Width Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. PWM can only be used for pulse modulation, so the Carrier Waveform must be Pulse. In PWM, the width of the Carrier Waveform (Pulse) varies with the instantaneous voltage of the modulating waveform.

How to set the parameters of PWM

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to PWM. If the Carrier Waveform is not Pulse, the

system will switch it to Pulse automatically.

(3) Press button to display the waveform and parameters of the Carrier

Waveform. You can change the parameters, please refer to To Output Pulse Signals

on page 16. Press button again to return to the Modulation mode interface.

(4) Press F5 to select the source. If the source is External, use the Ext Mod In

connector in the rear panel to input the external signal, then skip ahead to step (7). If

you choose Internal, continue to the steps below.

(5) Press F2 to choose Mod Shape, you can choose Sine, Square ,Ramp or Arb . (6) Press F3 to set Mod Frequency. The range is 2 mHz - 20 kHz (Internal source

only).

(7) Press F4 to set Width Deviation/Duty Deviation (depends on the P_Width/Duty

menu item of the Pulse setting menu when you exit the Modulation mode). The

maximum range of the Duty Deviation is the smaller one in [Pulse Duty, 1-Pulse Duty].

The maximum range of the Width Deviation is Pulse Width.

FSK (Frequency Shift Keying)

The FSK Modulation is a modulation method, the output frequency of which switches between two the pre-set frequencies (Carrier Waveform Frequency and the Hop Frequency). The Frequency of the Output Frequency switch between the carrier waveform frequency and the Hop frequency is called the FSK rate. The frequency by which the output frequency switch from each other is determined by the Internal

5.Front Panel Operation

Current Parameter

Carrier Frequency

Carrier Amplitude

Carrier Waveform

Modulating Waveform

Load

FSK Rate

Mod Type

Source

Hop Frequency

Frequency generator or the Signal Voltage Level offered by the Ext Trig/Burst/Fsk In connector in the rear panel. The Carrier Waveform can only be Sine. The user interface of the FSK is shown as below.

Figure 5-16: The User Interface of FSK

How to set the parameters of FSK

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to FSK. If the Carrier Waveform is not Sine, the

system will switch it to Sine automatically.

(3) Press button to display the waveform and parameters of the Carrier

Waveform. You can change the parameters, please refer to To Output Sine Signals on

page 12. Press button again to return to the Modulation mode interface.

(4) Press F5 to select Internal or External as FSK source. (5) If you select Internal, press F3 to set the FSK Rate.

If you select External, press F3 to switch Slope between Positive and Negative.

The external source can be offered by the Ext Trig/Burst/Fsk In connector in the rear

panel. Set the Slope to Positive and the generator would output the carrier frequency

when the external input signal is logic low level and output the hop frequency when

the external input signal is logic high level. The situation is the opposite when the

Slope is set to Negative.

(6) Press F4 to set Hop Frequency. Carrier waveform frequency shifts to the Hop

frequency with the specified FSK rate, and then returns to the original frequency.

5.Front Panel Operation

Term Explanation

The frequency at which the output frequency shifts between the carrier frequency and the Hop frequency (Internal Modulation only).

Current Parameter

Carrier Frequency

Carrier Amplitude

Carrier Waveform

Modulating Waveform

Load

ASK Rate

Mod Type

Source

Modulating Amplitude

FSK Rate:

ASK (Amplitude Shift Keying)

Amplitude Shift Keying modulation is a modulation technique that shifts the output signal amplitude between two amplitudes: the carrier amplitude and modulating amplitude.

How to set the parameters of ASK

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to ASK. If the Carrier Waveform is not Sine, the

(3) Press button to display the waveform and parameters of the Carrier

(4) Press F5 to select Internal or External as ASK source. (5) If you select Internal, press F3 to set the ASK Rate.

Figure 5-17: The User Interface of ASK

system will switch it to Sine automatically.

Waveform. You can change the parameters, please refer to To Output Sine Signals on

page 12. Press button again to return to the Modulation mode interface.

If you select External, press F3 to switch Slope between Positive and Negative.

The external source can be offered by the Ext Trig/Burst/Fsk In connector in the rear

panel. Set the Slope to Positive and the generator would output the lower of the

carrier amplitude and modulating amplitude when the external input signal is logic

low level and output the greater when the external input signal is logic high level.

The situation is the opposite when the Slope is set to Negative.

(6) Press F4 to set Amplitude. Carrier waveform amplitude shifts to the modulating

5.Front Panel Operation

Term Explanation

ASK Rate: The rate at which the output amplitude shifts between the carrier amplitude and the modulating amplitude is called the ASK rate (Internal Modulation only).

Current Parameter

Carrier Frequency

Carrier Amplitude

Carrier Waveform

Modulating Waveform

Load

PSK Rate

Mod Type

Source

Modulating Phase

amplitude with the specified ASK rate, and then returns to the original amplitude.

PSK (Phase Shift Keying)

Phase Shift Keying modulation is a modulation technique that shifts the output signal phase between two phases: the carrier phase and modulating phase.

Figure 5-18: The User Interface of PSK

How to set the parameters of PSK

(1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to PSK. If the Carrier Waveform is not Sine, the

system will switch it to Sine automatically.

(3) Press button to display the waveform and parameters of the Carrier

Waveform. You can change the parameters, please refer to To Output Sine Signals on

page 12. Press button again to return to the Modulation mode interface.

(4) Press F5 to select Internal or External as PSK source. (5) If you select Internal, press F3 to set the PSK Rate.

If you select External, press F3 to switch Slope between Positive and Negative.

The external source can be offered by the Ext Trig/Burst/Fsk In connector in the rear

panel. Set the Slope to Positive and the generator would output the carrier phase

when the external input signal is logic low level and output the modulating phase

when the external input signal is logic high level. The situation is the opposite when

5.Front Panel Operation

Term Explanation

PSK Rate:

ifts between the carrier phase and the

modulating phase is called the PSK rate (Internal Modulation only).

Current Parameter

Sweep Waveform

Load

Sweep Type

Sweep Time

Sweep Waveform

Source

Sweep Waveform

Amplitude

Sweep Waveform

Offset

Start

Frequency

Stop

Frequency

the Slope is set to Negative.

(6) Press F4 to set Phase Deviation. Carrier waveform phase shifts to the modulating

phase with the specified PSK rate, and then returns to the original phase.

The rate at which the output phase sh

To Generate Sweep

Sweep function is only used for CH1. In the frequency sweep mode, the generator "steps" from the start frequency to the stop frequency at the sweep rate you specify. Sweep can be generated by Sine, Square or Ramp Waveforms.

Figure 5-19: The User Interface of Sweep Mode

How to set the parameters of Sweep

(1) When the output signal is Sine, Square or Ramp waveform, press the Mod button,

then press F2 to select Sweep to enter the Sweep mode.

(2) Press , or button to choose the waveforms. Take Sine for

instance, press to display the waveform and parameters. You can change the

parameters, please refer to To set signals on page 12. Press button again to

return to the Sweep mode interface.

5.Front Panel Operation

Term Explanation

Cycle has specific number of waveform cycles, and every burst is activated by a

Gated burst use external source to control burst as when to be activated.

(3) Press F1 to set Sweep Time, the Time Span of the Sweep for which the

Frequency changes from the Start Frequency to Stop Frequency.

(4) Press F2 to select the Sweep Type. Linear means setting the Sweep with linear

spacing; Log means setting the Sweep with logarithmic spacing.

(5) Use Start Freq and Stop Freq or Center Freq and Freq Span to set the range of the

frequency. Press F3 to select Sta_Freq or Cen_Freq, and set the desired value.

(6) Press F4 to select StopFreq or FreqSpan, and set the desired value. (7) Press F5 to select NextPage, press it again to enter the next page. (8) Press F1 to select the source. Internal means using the internal source. External

means using the Ext Trig/Burst/Fsk In connector in the rear panel to input the

external signal. Manual means choosing manual trigger; in Sweep interface, press the

knob on the front panel to trigger a Sweep.

To Generate Burst

Burst function is only used for CH1. Press the Mod button, then press F3 to select

Burst to generate versatile waveforms in burst. Burst can last for certain times of waveform cycle (N-Cycle Burst), or to be controlled by external gated signals (Gated Burst). Bust can apply to Sine, Square, Ramp, Pulse and Arbitrary waveforms (Noise can not be used).

Burst:

Output Waveforms with set cycle times. Generally it is called BURST function within every Signal Generator.

N-Cycle Burst:

Ntrigger event.

Gated Burst:

5.Front Panel Operation

Current Parameter

Cycles

Load

Start Phase

N Cycle

Waveform

Source

Set the N-Cycle Burst

Figure 5-20: The User Interface of N-Cycle Burst

(1) When the output signal is Sine, Square, Ramp, Pulse or Arbitrary waveform, press the

Mod button, then press F3 to select Burst.

(2) Press , , ,

button to choose the waveform. Take Sine for

instance, press to display the waveform and parameters. You can change the

parameters, please refer to To set signals on page 12. Press button again to

return to the Burst mode interface.

(3) Press F3 to switch to N Cycle. (4) Press F1 to select Burst Period, set it to the desired value. (5) Press F2 to select Start Phase (if current waveform is Pulse, skip this step), define

the Start and the Stop Point in a waveform. The phase varies from -360° to +360°. For an Arbitrary Waveform, 0° is the first waveform point.

(6) Press F4 to select Cycles or Infinite. Set the number of Waveform Cycle in an

N-Cycle (from 1 to 50,000). If you choose Infinite, then a continuous waveform will be generated which will not stop until a trigger event happens (the knob on the front panel is pressed).

Note:

● If needed, Burst Period will increase to cater to the specific number of cycles.

● For an infinite-cycle Burst, External or Manual Trigger is needed to activate burst.

(7) Press F5 to select the source. Internal means using the internal source. External

means using the Ext Trig/Burst/Fsk In connector in the rear panel to input the external signal. Manual means choosing manual trigger; in N-Cycle Burst interface, press the knob on the front panel to output a burst signal.

5.Front Panel Operation

Current Parameter

Positive

Load

Start Phase

Gated

Waveform

Source

Set the Gated Burst

Figure 5-21: The User Interface of Gated Burst

(1) When the output signal is Sine, Square, Ramp, Pulse or Arbitrary waveform, press the

Mod button, then press F3 to select Burst.

(2) Press , , ,

for instance, press to display the waveform and parameters. You can change

the parameters, please refer to To set signals on page 12. Press button again

to return to the Burst mode interface.

(3) Press F3 to switch to Gated. (4) Press F2 to select Start Phase, define the Start and the Stop Point in a waveform.

The phase varies from -360° to +360°. For an Arbitrary Waveform, 0° is the first waveform point.

(5) Press F5 to switch between Positive/Negative. Set the Polarity for the Gated

Signal.

button to choose the waveforms. Take Sine

To Save and Recall

Press Save function button to enter the file system.

To Use USB Storage

The storage location is divided into the internal storage (FLASH) and the USB device storage (USBDEVICE). When a USB device is connected, the storage menu will show "USBDEVICE" and "FLASH". Otherwise, the storage menu will show "FLASH" only.

(1) Install the USB device: insert a USB device into the "⑰USB port" on the front panel

in Figure 4-1, and the screen will show "Detect USB device". Press Save function

button to enter the file system, the storage menu will show "USBDEVICE" and "FLASH".

(2) Enter the storage: Tu r n the knob or press / direction key to choose the

desired storage. Press F1 to enter the chosen storage. Provide operations as Next

5.Front Panel Operation

level, Up one level, New folder, Delete, Rename, Copy, Paste.

(3) Remove the USB device: Remove the USB device from the USB port on the front

panel. The system will inform you "The USB device is removed", and the

"USBDEVICE" in the storage menu will disappear.

To Edit the File Name

In file system, the user can edit the name of a file or a folder. When the system needs the user to input a name, an input keyboard will appear.

Figure 5-22: Edit the File Name

(1) Turn the knob or press / direction key to move the cursor left and right in the

keyboard. Press F3 to switch between capital and small of the characters.

(2) Press F1 to enter the current character. Press F2 to delete the last character . (3) Press F4 to finish editing and save the file. Press F5 to cancel the save

operation.

Note: The length of file name is up to 15 characters.

To Set the Utility Function

Press Utility function key to enter the Utility Menu. You can set the parameters of the

Generator such as: Display Parameter, Counter Parameter, Output Parameter and System

Setting. Press Utility again to exit the Utility Menu.

To Set Display Parameter

To Set the Bright

(1) Press Utility and choose Disp Setup, press F1 to select Bright. (2) Turn the knob to change the value, press / direction key to move the cursor

left and right; or press the number keys to input the desired value in percent, press

F4 to select the unit. The bright range is 0% - 100%.

5.Front Panel Operation

To Set the Separator

The user can set the separator of the displayed parameter.

(1) Press Utility and choose Disp Setup, press F2 to select Sep. (2) Press F2 to switch between Comma, Space, Off.

Take the Frequency parameter for instance:

Comma

Space

Off

To Set the Screen Saver

The screen saver will run automatically if no operation is taken for any key within the set time. Press any button to resume.

(1) Press Utility and choose Disp Setup, press F3 to select Scrn Svr. (2) Press F3 to switch between On/Off.

(3) If On is selected, you can set the screen saver time. Turn the knob to change the

value, press / direction key to move the cursor left and right; or press the

number keys to input the desired time in minutes, press F4 to select the unit.

The screen saver time range is 1 - 999 minutes.

To Set the Counter

The counter can measure the signal with frequency from 100 mHz to 200 MHz.

The operation steps:

(1) Press Utility and choose Counter. (2) Connect the signal to the connector [Ref Clk/Counter In] on the rear panel. (3) Press F3 to choose Set, enter measurement setting menu.

 To set the coupling mode: Press F1 to switch Coupling as AC/DC.  To set the sensitivity: Press F2 to switch Sens as Low/Middle/High.

For low amplitude signal, the “Middle” or “High” sensitivity should be used. For low frequency signal with high amplitude and slower rising edge, low sensitivity is a better choice.

 To set the high frequency restrain on/off: Press F3 to switch HFR as ON/OFF.

High frequency restrain is used for filtering the high frequency signal in

5.Front Panel Operation

measuring the low frequency signal, and improve the measure accuracy. To measure low frequency signal lower than 1 kHz, you should put on the high frequency restrain to filter the high frequency noise disturb. To measure high frequency signal higher than 1 kHz, you should put off the high frequency restrain.

 To set the trig level: Press F4 to choose TrigLev. Turn the knob to change the

value, press / direction key to move the cursor left and right; or press the number keys to input the desired value and choose the unit. The range of trig levle is -2.5 V - 2.5 V.

 Press F5 to choose Back to previous menu, view the result.

After all the set was done, the counter will measure the signal according to the current set. If the reading is unsteady, please repeat the above step until it is steady.

(4) Press F1 to switch to view the measure result of frequency or period.

Press F2 to switch to view the measure result of positive width or duty.

To Set Output Parameter

To Set the Output Load

For either of CH1 Output and CH2 Output on the Front panel, the Generator has a built-in

50Ωseries impendence. If the actual load does not match the set one, the displayed amplitude and offset are incorrect. This function is used to match the displayed voltage with the expected one.

Steps for setting the Load of each channel:

(1) Press Utility and choose Output Setup. Press F1 to select CH1Load, or press

F2 to select CH2Load; press it again to select HighZ or *Ω ("*" represents a value).

(2) To change the load value, after selecting *Ω, turn the knob to change the value, press

/ direction key to move the cursor left and right; or press the number keys to

input the desired value. Press F3 or F4 to select the unit. The load range is

1 Ω - 10 kΩ.

Note: For either of CH1 Output and CH2 Output on the Front panel, the waveform generator

has a fixed 50Ω Series Impendence. No matter what Value the set parameter is, if the real

load is different from the set one, the displayed voltage will not equal the real voltage.

To Set the Phase Deviation

You can set the phase deviation of the two channels.

(1) Press Utility and choose Output Setup, press F3 to select PhaseDev. (2) Press F3 to switch between On/Off.

(3) If On is selected, you can set the value of phase deviation. Turn the knob to change

the value, press / direction key to move the cursor left and right; or press the

number keys to input the desired value in degree, press F4 to select the unit. The

phase deviation range is 0 - 360°.

5.Front Panel Operation

100 Hz, Sine Wave (except FSK) 100 Hz, Square Wave (FSK)

To Set the System

Language Setting

Press Utility and choose System, press F1 to switch display languages.

Power On Setting

(1) Press Utility and choose System, press F2 to select Power On. (2) Press F2 to switch between Default/Last. Default means that all the settings

return to default when powered. Last means that all the settings return to the last

one when powered.

To Return to Default Setting

Press Utility and choose System, press F3 to select Set to Default, press F1 to

confirm. All the settings will be set to default. The default settings of the system are as

follows:

Output Default

Function Sine Wave Frequency 1 kHz Amplitude/Offset 1 V

/ 0 Vdc

p-p

Waveforms Default

Frequency 1 kHz

1 V

Amplitude Offset

p-p

0 Vdc

Duty Cycle of Square 50% Symmetry of Ramp 50% Pulse Width of Pulse 200 us Duty Cycle of Pulse 20%

Modulation Default

Modulation waveform AM Depth 100％

FM Deviation 100 Hz PM Phase Deviation 0° PWM deviation 0.0% FSK Hop Frequency 100 Hz

5.Front Panel Operation

FSK Rate 100 Hz ASK Rate 100 Hz PSK Rate 100 Hz Source Internal

Sweep Default

Start/Stop Frequency 100 Hz/1 kHz Time 1 sec Mode Linear

Burst Default

Frequency 1 kHz Count 1 Cycle Period 1 sec Phase 0°

Others Default

Brightness

100%

Separator Comma Screen Saver time 30 minutes Load High Z Phase Deviation 0° Clock Source Internal Channel Output Control Off

To Set the Beep

(1) Press Utility and choose System, enter the second page of the menu. (2) Press F1 to select Beep. (3) Press F1 to switch between On/Off. On is to activate the sound when the system

informs you. Off is to deactivate it.

View System Information

(1) Press Utility and choose System, enter the second page of the menu. (2) Press F2 to select Sys info. You can view the Version and Serial number.

5.Front Panel Operation

To Set the Clock Source

The waveform generator provides an internal clock source and also accepts external clock source input from the [Ref Clk/Counter In] connector at the rear panel. It can also output a clock source from the [Ref Clk Out] connector for other device to use.

Note: The amplitude of the [Ref Clk/Counter In] input signal must be over 1 V.

(1) Press Utility and choose System, enter the second page of the menu. (2) Press F3 to select CLK Sou. (3) Press F3 to switch between Internal/External.

To Use Built-in Help

(1) Press Help function button, the catalog will display in the screen. (2) Press F1 or F2 to choose help topic, or just turn the knob to choose. (3) Press F3 to view the details about the topic; press F5 to go back to the

catalog.

(4) Press Help again to exit the help, or just do other operations.

6.Communication with PC

6. Communication with PC

The Waveform Generator supports communications with a PC through USB port. You can use the ultrawave communication software to set the parameters, control the output of the Waveform Generator. The Waveform Generator supports communications with a PC by SCPI commands through USB port. Here is how to connect with PC. Install the ultrawave communication software on the supplied CD.

(1) Connection: Use a USB data cable to connect the USB (type B) connector on the rear

panel of the Waveform Generator to the USB port of a PC.

(2) Install the driver: When the Waveform Generator is turned on, a dialog will appear

on the PC screen and guide you to install the USB driver. The driver is in the "USBDRV" folder under the directory where the ultrawave communication software is installed.

(3) Port setting of the software: Run the ultrawave software; click "Communications" in

the menu bar, choose "Ports-Settings", in the setting dialog, choose "Connect using" as "USB". After connect successfully, the connection information in the bottom right corner of the software will turn green.

For the detail communication protocol of SCPI, please refer to FG Series Waveform Generator SCPI Protocol.

To learn about how to operate the software, press F1 in the software to open the help document.

7.SCPI

7. SCPI

The waveform generator supports SCPI, and the users can operate and control the device by USB port.

For the detailed information about SCPI, please refer to

Protocol.

FG Series Waveform Generator SCPI

8. Troubleshooting

1. The instrument is powered on but no Display.

 Check if the power is connected properly.  Check if the Power Switch is in the proper voltage scale.  Check if the fuse which is below the AC Power socket is used appropriately and

in good condition (the cover can be pried open with a straight screwdriver).

 Restart the instrument after the steps above.  If the problem still exists, please contact us for service.

2. The measured value of output signal amplitude disaccords to the displayed value:

Check if the actual load matches the set one. Please refer to To Set the Output Load on page 36.

If you encounter other problems, try to reset the settings (refer to To Return to Default Setting on page 37) or restart the instrument. If it still can not work properly, please contact us for service.

9.Technical Specifications

Waveforms

Standard Waveforms

Sine, Square, Ramp, Pulse, Noise

Staircase,

Waveform

Numbers of channel

Frequency Characteristic

Sine

FG-2102

1 μHz—10 MHz

FG-2252

1 μHz—25 MHz

FG-2502

1 μHz—50 MHz

FG-2602

1 μHz—60 MHz

Square

FG-2102 FG-2252

1 μHz—5 MHz FG-2502

1 μHz—25 MHz

FG-2602

1 μHz—30 MHz

Ramp

1 μHz—1MHz

Pulse

FG-2102 FG-2252

1 μHz—5 MHz FG-2502

1 μHz—10 MHz

FG-2602

1 μHz—15 MHz

White Noise

25 MHz bandwidth (-3 dB) (typical)

Arbitrary

1 μHz—10 MHz

Amplitude Characteristic

High Z

1 μHz to 10 MHz

1 mVPP - 20 VPP

50 Ω

1 μHz to 10 MHz

1 mVPP - 10 VPP

High Z

1 μHz to 25 MHz

1 mVPP - 20 VPP

50 Ω

1 μHz to 25 MHz

1 mVPP - 10 VPP

1 μHz to 25 MHz

1 mVPP - 20 VPP

25 MHz to 50 MHz

1 mVPP - 10 VPP

1 μHz to 25 MHz

1 mVPP - 10 VPP

25 MHz to 50 MHz

1 mVPP - 5 VPP

9. Technical Specifications

All these specifications apply to the Waveform Generator unless otherwise explanation. To reach these specifications, the instrument must have been operating continuously for more than 30 minutes within the specified operating temperature.

All the specifications are guaranteed unless those marked with “typical”.

Exponential rise, Exponential fall, Sin(x)/x,

Arbitrary Waveforms

Frequency resolution: 1 μHz

FG-2102,FG-2252 Max sampling rate 125 MSa/s, FG-2502 ,FG-2602 Max sampling rate

300 MSa/s

etc. 45 built-in waveforms, User-Definable

Output Amplitude

FG-2102

FG-2252

High Z

FG-2502

50 Ω

9.Technical Specifications

1 μHz to 25 MHz

1 mVPP - 20 VPP

25 MHz to 60 MHz

1 mVPP - 10 VPP

1 μHz to 25 MHz

1 mVPP - 10 VPP

25 MHz to 60 MHz

1 mVPP - 5 VPP

Amplitude Accuracy

1 mVPP or 14 bits

DC Offset Range (AC+DC)

±5 V (50 Ω) ±10 V (High Z)

DC Offset Accuracy

(1 % of |setting| + 1 mV + amplitude Vp-p * 0.5%)

Output Impedance

50 Ω (typical)

Waveform Characteristic

Sine

FG-2252

10 MHz to 25 MHz

0.3 dB

1 μHz to 10 MHz

0.2 dB

25 MHz to 60 MHz

0.5 dB

Total Harmonic Distortion (when the Amplitude is 1 V

p-p

)

110 dBc/Hz at 1 MHz frequency,

10 kHz offset, 1 V

p-p

, typical

Residue Clock Noise

-57 dBm (typical)

Square

Rise/Fall Time

<12 ns (10% - 90%) (typical, 1 kHz, 1 V

p-p

)

FG-2102 FG-2252

FG-2502

Non-symmetry (below 50% Duty Cycle)

Overshoot

< 5%

FG-2102 FG-2252

20% - 80% (< 1 MHz) 50% (1 MHz - 5 MHz)

FG-2602

50% (≥ 1 MHz)

Ramp

< 0.1% of peak output (typical, 1 kHz, 1 V

Symmetry 50%)

Symmetry

0% to 100%

High Z

FG-2602

50 Ω

Flatness (when the Amplitude is

1.0 V

(+4 dBm), load is 50Ω)

p-p

Harmonic Distortion (when the Amplitude is 1.0 V

p-p

)

Phase Noise

Jitter (rms)

FG-2102

FG-2502 FG-2602

1 μHz to 10 MHz：±0.2 dB

10 MHz to 25 MHz：±0.3 dB

FG-2102 FG-2252 FG-2502

<-40 dBc

FG-2602

10 Hz to 20 kHz： <0.2 %

1 ns + 30 ppm

FG-2602

300 ps + 100 ppm of period

：±

Duty Cycle

Linearity

1% of period+ 5 ns

FG-2502

20% - 80% (< 1 MHz)

p-p

9.Technical Specifications

Pulse

FG-2252

FG-2502

Accuracy

10 ns

Rising/Falling Edge Time

< 12 ns

Overshoot

< 5%

FG-2252

FG-2502

Arbitrary

FG-2252

FG-2502

FG-2102 FG-2252

FG-2502

Amplitude Accuracy

14 bits

FG-2102 FG-2252

FG-2502 FG-2602

Jitter (RMS) , typical

< 6 ns

Modulated Waveform

Carrier Waveforms

Sine

Source

Internal/ External

Internal Modulating Waveforms

Sine, Square, Ramp, White Noise, Arbitrary

Internal AM Frequency

2 mHz - 20 kHz

Depth

0.0% - 100.0%

Carrier Waveforms

Sine

Source

Internal/ External

Internal Modulating Waveforms

Sine, Square, Ramp, White Noise, Arbitrary

Internal Modulating Frequency

2 mHz - 20 kHz

Frequency Deviation

2 mHz - 20 MHz

Carrier Waveforms

Sine

Source

Internal/ External

Pulse Width

Jitter

Waveform Length

Sample Rate

FG-2102

FG-2602

FG-2102

FG-2602

FG-2102

FG-2602

40 ns to 1000 ks

20 ns to 1000 ks

1 ns + 30 ppm

300 ps + 100 ppm of period

2 – 8k points

2 - 1M points

125 MSa/s

300 MSa/s

Rise/Fall Time, typical

< 10 ns

< 8 ns

9.Technical Specifications

Internal Modulating Waveforms

Sine, Square, Ramp, White Noise, Arbitrary

Internal PM Frequency

2 mHz - 20 kHz

Phase Deviation

0° - 180°

PWM

Carrier Waveforms

Pulse

Source

Internal/ External

Internal Modulating Waveforms

Sine, Square, Ramp, Arbitrary

Internal Modulating Frequency

2 mHz - 20 kHz

Width Deviation

Pulse width 0.0 ns to 200.00 usec

FSK

Carrier Waveforms

Sine

Source

Internal/ External

Internal Modulating Waveforms

50% duty cycle square

FSK Rate

2 mHz - 100 kHz

ASK

Carrier Waveforms

Sine

Source

Internal/ External

Internal Modulating Waveforms

50% duty cycle square

ASK Rate

2 mHz - 100 kHz

PSK

Carrier Waveforms

Sine

Source

Internal/ External

Internal Modulating Waveforms

50% duty cycle square

PSK Rate

2 mHz - 100 kHz

Sweep

Type

Linear, Logarithmic

Carrier Waveforms

Sine, Square, Ramp

Direction

Up / Down

Sweep Time

1 ms to 500 s ± 0.1%

Source

Source, External or Manual

Burst

Waveforms

Sine, Square, Ramp, Pulse, Arbitrary

Types

Count (1 to 50,000 periods), infinite, gated

Start Phase

-360° - +360°

Internal Period

(10 ms - 500 s) ± 1%

Gated Source

External Trigger

Trigger Sources

Source, External or Manual

Counter Specification

Function

Frequency, period, positive Pulse width, Duty cycle

Frequency Range

Single channel: 100 mHz - 200 MHz

Frequency Resolution Frequency Accuracy

6 digits

Voltage Range and Sensitivity (non-modulation signal)

DC coupled

DC offset range

±1.5 VDC

100 mHz - 100 MHz

250 mV

p-p

- 5 V

p-p

(AC+DC)

100 MHz - 200 MHz

450 mV

p-p

- 3 V

p-p

(AC+DC)

1 Hz - 100 MHz

250 mV

p-p

- 5 V

p-p

100 MHz - 200 MHz

450 mV

p-p

- 4 V

p-p

Pulse width and

Measure

1 MΩ (DC Coupling) High Z (AC Coupling)

Coupling mode

AC, DC

On or Off

sensitivity

Low, Middle, High

Trigger level range

2.5 V

Input/Output

Channel Coupling, Channel Copy

Phase Deviation

0 - 360°

Rear Panel

Interfaces

USB (type B) connector

External Modulation Input

Input Frequency Range

DC-20 kHz

Input Voltage Range

± 5 Vpk

Input Impedance

10 kΩ (typical)

External Trigger Input

Level

TTL-compatible

Slope

Rising or falling (selectable)

Pulse Width

>100 ns

Trigger Delay

0.0 ns - 60 s

External Reference Clock Input

Impedance

1 kΩ, AC coupled

Requested Input voltage swing

100 mV

p-p

to 5 V

p-p

Locking range

10 MHz ± 9 kHz

Counter Input (share the same port as External Reference Clock Input)

DC offset range

±1.5 VDC

100 mHz - 100 MHz

250 mV

p-p

- 5 V

p-p

100 MHz - 200 MHz

450 mV

p-p

- 3 V

p-p

1 Hz - 100 MHz

250 mV

p-p

- 5 V

p-p

100 MHz - 200 MHz

450 mV

p-p

- 4 V

p-p

External Reference Clock Output

Impedance

50 kΩ, AC coupled

Amplitude

3.3 V

p-p

, access 1 MΩ

AC coupled

9.Technical Specifications

Duty cycle

Input adjust

1 Hz - 10 MHz (250 m V

Input impedance

High frequency restrain

p-p

- 5 V

p-p

)

High frequency noise restrain (HFR)

DC coupled

AC coupled

9.Technical Specifications

Display Type

3.9 inch colored LCD (Liquid Crystal Display)

Display Resolution

480 (Horizontal) × 320 (Vertical) Pixels

Display Colors

65536 colors, 16 bits, TFT screen

Supply

220 - 240 VAC, 50/60 Hz, CATⅡ

Consumption

Less than 35 W

Fuse

250 V, F0.5AL

Working temperature: 0℃ - 40℃

Storage temperature: －20℃ - 60℃

Relative Humidity

≤ 90%

Operating: 3,000 m Non-operating: 15,000 m

Weight

3 kg

Display

Power

Environment

Temperature

Height

Cooling Method Fan cooling

Mechanical Specifications

Dimension 235 mm × 110 mm × 295 mm (W*H*D)

Interval Period of Adjustment:

One year is recommended for the calibration interval period.

10.Appendix

Warn

on, it is required to confirm that

the instrument has already been dried completely, avoiding any

10. Appendix

Appendix A: Enclosure

 A power cord that fits the standard of the destination country  A USB cable  A CD (PC link application software)  A Safety hintsheet  A BNC/Q9 cable

Appendix B: General Care and Cleaning

General Care

Do not store or leave the instrument where the liquid crystal display will be exposed to direct sunlight for long periods of time.

Caution: To avoid any damage to the instrument, do not exposed it to any sprays,

liquids, or solvents.

Cleaning

Inspect the instrument as often as operating conditions require. To clean the instrument exterior, perform the following steps:

1. Wipe the dust from the instrument surface with a soft cloth. Do not make any

scuffing on the transparent LCD protection screen when clean the LCD screen.

2. Disconnect power before cleaning your instrument. Clean the instrument with a

wet soft cloth not dripping water. It is recommended to scrub with soft detergent or fresh water. To avoid damage to the instrument, do not use any corrosive chemical cleaning agent.

ing: Before power on again for operati

electrical short circuit or bodily injury resulting from the moisture.

VOLTCRAFT FG-2102, FG-2252, FG-2502, FG-2602 User guide

Specifications and Main Features

Frequently Asked Questions

User Manual

1.General Safety Requirements

2.Safety Terms and Symbols

3.General Characteristics

4.Quick Start

Front/Rear Panel and User Interface

Front Panel

Rear Panel

User Interface

General Inspection

Foot Stool Adjustment

Power-On Check

AC Power Input Setting

Power On

5.Front Panel Operation

To set channels

To set signals

To Output Sine Signals

To Set the Frequency/Period

To Set the Amplitude

To Set the Offset

To Set the High Level

To Set the Low Level

To Output Square Signals

To Set the Duty Cycle

To Output Ramp Signals

To Set the Symmetry

To Output Pulse Signals

To Set the Pulse Width / Duty Cycle

To Output Noise Signals

To Output Arbitrary Signals

To Select the Built-in Waveform

The User-Definable Waveform

To Output DC

To Generate the Modulated Waveform

AM (Amplitude Modulation)

FM (Frequency Modulation)

PM (Phase Modulation)

PWM (Pulse Width Modulation)

FSK (Frequency Shift Keying)

ASK (Amplitude Shift Keying)

PSK (Phase Shift Keying)

To Generate Sweep

To Generate Burst

Set the N-Cycle Burst

Set the Gated Burst

To Save and Recall

To Use USB Storage

To Edit the File Name

To Set the Utility Function

To Set Display Parameter

To Set the Bright

To Set the Separator

To Set the Screen Saver

To Set the Counter

To Set Output Parameter

To Set the Output Load

To Set the Phase Deviation

To Set the System

Language Setting

Power On Setting

To Return to Default Setting

To Set the Beep

View System Information

To Set the Clock Source

To Use Built-in Help

6.Communication with PC

7.SCPI

8. Troubleshooting

9.Technical Specifications

10. Appendix

Appendix A: Enclosure

Appendix B: General Care and Cleaning