Amprobe FG2C-UA, FG3C-UA User Manual [en, de, fr, es]

FG2C-UA/FG3C-UA

Function Generator

User Manual

• Mode d’emploi

• Bedienungshandbuch

• Manuale d’Uso

• Manual de uso

FG2C-UA/FG3C-UA

Function Generator

Users Manual

• Mode d’emploi

• Bedienungshandbuch

• Manuale d’ Uso

• Manual de uso

Limited Warranty and Limitation of Liability

Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase. This warranty does not cover fuses, disposable batteries or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Amprobe’s behalf. To obtain service during the warranty period, return the product with proof of purchase to an authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor. See Repair Section for details. THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED OR STAUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or countries do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages, this limitation of liability may not apply to you.

Beschränkte Gewährleistung und Haftungsbeschränkung

Es wird gewährleistet, dass dieses Amprobe-Produkt für die Dauer von einem Jahr ab dem Kaufdatum frei von Material- und Fertigungsdefekten ist. Diese Gewährleistung erstreckt sich nicht auf Sicherungen, Einwegbatterien oder Schäden durch Unfälle, Nachlässigkeit, Missbrauch, Änderungen oder abnormale Betriebsbedingungen bzw. unsachgemäße Handhabung. Die Verkaufsstellen sind nicht dazu berechtigt, diese Gewährleistung im Namen von Amprobe zu erweitern. Um während der Gewährleistungsperiode Serviceleistungen zu beanspruchen, das Produkt mit Kaufnachweis an ein autorisiertes Amprobe Test Tools Service-Center oder an einen AmprobeFachhändler/-Distributor einsenden. Einzelheiten siehe Abschnitt „Reparatur“ oben. DIESE GEWÄHRLEISTUNG STELLT DEN EINZIGEN UND ALLEINIGEN RECHTSANSPRUCH AUF SCHADENERSATZ DAR. ALLE ANDEREN GEWÄHRLEISTUNGEN - VERTRAGLICH GEREGELTE ODER GESETZLICHE VORGESCHRIEBENE - EINSCHLIESSLICH DER GESETZLICHEN GEWÄHRLEISTUNG DER MARKTFÄHIGKEIT UND DER EIGNUNG FÜR EINEN BESTIMMTEN ZWECK, WERDEN ABGELEHNT DER HERSTELLER ÜBERNIMMT KEINE HAFTUNG FÜR SPEZIELLE, INDIREKTE, NEBEN- ODER FOLGESCHÄDEN ODER VERLUSTE, DIE AUF BELIEBIGER URSACHE ODER RECHTSTHEORIE BERUHEN. Weil einige Staaten oder Länder den Ausschluss oder die Einschränkung einer implizierten Gewährleistung sowie von Begleitoder Folgeschäden nicht zulassen, ist diese Gewährleistungsbeschränkung möglicherweise für Sie nicht gültig.

Garantía limitada y Limitación de responsabilidad

Su producto Amprobe estará libre de defectos de material y mano de obra durante 1 año a partir de la fecha de adquisición. Esta garantía no cubre fusibles, baterías descartables o daños que sean consecuencia de accidentes, negligencia, uso indebido, alteración, contaminación o condiciones anormales de operación o manipulación. Los revendedores no están autorizados a extender ninguna otra garantía en nombre de Amprobe. Para obtener servicio durante el período de garantía, regrese el producto con una prueba de compra a un centro de servicio autorizado por Amprobe de equipos de comprobación o a un concesionario o distribuidor de Amprobe. Consulte la sección Reparación que aparece más arriba para obtener detalles. ESTA GARANTÍA CONSTITUYE SU ÚNICO RESARCIMIENTO. TODAS LAS DEMÁS GARANTÍAS, TANTO EXPRESAS, IMPLÍCITAS O ESTATUTARIAS, INCLUYENDO LAS GARANTÍAS IMPLÍCITAS DE ADECUACIÓN PARA UN PROPÓSITO DETERMINADO O COMERCIABILIDAD, QUEDAN POR LA PRESENTE DESCONOCIDAS. EL FABRICANTE NO DEBERÁ SER CONSIDERADO RESPONSABLE DE NINGÚN DAÑO O PÉRDIDA TANTO ESPECIALES, INDIRECTOS, CONTINGENTES O RESULTANTES QUE SURJAN DE CUALQUIER CAUSA O TEORÍA. Debido a que ciertos estados o países no permiten la exclusión o limitación de una garantía implícita o de los daños contingentes o resultantes, esta limitación de responsabilidad puede no regir para usted.

Limites de garantie et de responsabilité

Amprobe garantit l’absence de vices de matériaux et de fabrication de ce produit dans des conditions normales d’utilisation et d’entretien pendant une période d’un an prenant effet à la date d’achat. Cette garantie ne s’applique pas aux fusibles, aux piles jetables ni à tout produit mal utilisé, modiﬁé, contaminé, négligé ou endommagé par accident ou soumis à des conditions anormales d’utilisation et de manipulation. Les distributeurs agréés par Amprobe ne sont pas autorisés à appliquer une garantie plus étendue au nom de Amprobe. Pour bénéﬁcier de la garantie, renvoyez le produit accompagné d’un justiﬁcatif d’achat auprès d’un centre de services agréé par Amprobe Test ou du distributeur ou du revendeur Amprobe. Voir la section Réparation ci-dessus pour tous les détails. LA PRESENTE GARANTIE EST LE SEUL ET EXCLUSIF RECOURS TOUTES AUTRES GARANTIES, EXPLICITES, IMPLICITES OU STATUTAIRES, NOTAMMENT LE CAS ECHEANT LES GARANTIES DE QUALITE MARCHANDE OU D’ADAPTATION A UN OBJECTIF PARTICULIER SONT EXCLUES PAR LES PRESENTES. LE FABRICANT NE SERA EN AUCUN CAS TENU RESPONSABLE DE DOMMAGES PARTICULIERS, INDIRECTS, ACCIDENTELS OU CONSECUTIFS, NI D’AUCUNS DEGATS OU PERTES DE DONNEES, SUR UNE BASE CONTRACTUELLE, EXTRA-CONTRACTUELLE OU AUTRE. Etant donné que certains pays ou états n’admettent pas les limitations d’une condition de garantie implicite, ou l’exclusion ou la limitation de dégâts accidentels ou consécutifs, les limitations et les exclusions de cette garantie ne s’appliquent pas obligatoirement à chaque acheteur.

ENGLISH

CONTENTS

CERTIFICATIONS AND PRECAUTIONS ...............................................................................................................1

FOR UNITED KINGDOM ONLY .......................................................................................................................... 1

PREPARATION FOR USE – UNPACKING............................................................................................................. 2

INTRODUCTION ................................................................................................................................................. 2

FEATURES COMPARISON TABLE FOR MODELS ................................................................................................ 2

CONTROL DESCRIPTIONS .................................................................................................................................. 7

USAGE PROCEDURES ......................................................................................................................................... 8

PRECAUTION ITEMS .......................................................................................................................................... 8

FUSE REPLACEMENT (See Figs. 2 and 4) ........................................................................................................... 9

MAINTENANCE .................................................................................................................................................. 9

SPECIFICATIONS ............................................................................................................................................... 10

CERTIFICATIONS AND PRECAUTIONS

This instrument is EN61010-1 certiﬁed. All inputs are protected against continuous overload conditions up to the limits of each function’s stated input protection (see speciﬁcations). Never exceed these limits or the ratings marked on the instrument itself. Always inspect your Function Generator, test leads and accessories for signs of damage or abnormality before every use. If an abnormal condition exists (broken or damaged test leads, cracked case, display not reading, etc.), do not use. Never ground yourself when taking measurements. Do not touch exposed metal pipes, outlets, ﬁxtures, etc., which might be at ground potential. Keep your body isolated from ground and never touch exposed wiring, connections, test probe tips, or any live circuit conductors. Do not operate instrument in an explosive atmosphere (ﬂammable gases, fumes, vapor, dust.) Do not use this or any piece of test equipment without proper training.

DANGER High Voltage



ATTENTION Refer to Manual



Protective Conductor Terminal

Frame or Chassis Terminal

Complies with EU directives



WARNING: To avoid electrical shock, the power cord protective grounding conductor



must be connected to ground. CAUTION: To avoid damaging the instrument,

do not use it in a place where ambient



temperature exceeds 40°C.

CAUTION:To avoid damaging the instrument,



do not input more than 15VDC to VCF.

CAUTION: To avoid damaging the instrument, do not input more than 150VAC to Frequency



Counter (FG3C-UA only). CAUTION:To avoid damaging the instrument,

do not input more than 10Vpp during EXT



modulation operation (FG3C-UA only)

FOR UNITED KINGDOM ONLY

NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code:

Green/ Yellow: Earth Blue: Neutral Brown: Live (Phase)

As the colours of the wires in main leads may not correspond with the colours marking identiﬁed in your plug/ appliance, proceed as follows:

• The wire which is coloured Green & Yellow must be connected to the Earth terminal marked with the letter E or by the earth symbol or coloured Green or Green & Yellow.

• The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black.

• The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red.

• If in doubt, consult the instructions provided with the equipment or contact the supplier. This cable/appliance should be protected by a suitably rated and approved HBC mains fuse : refer to the rating information on the equipment and/or user instructions for details. As a guide, cable of 0.75mm should be protected by a 3A or 5A fuse. Larger conductors would normally require 13A types, depending on the connection method used.

• Any moulded mains connector that requires removal /replacement must be destroyed by removal of any fuse & fuse carrier and disposed of immediately, as a plug with bared wires is hazardous if engaged in a live socket. Any rewiring must be carried out in accordance with the information detailed on this label.

PREPARATION FOR USE – UNPACKING

Your shipping carton should include the Function Generator, 1 meter long BNC to mini- alligator clip test lead, one 115V power cord, one 230V power cord, one spare fuse for 115V operation, one spare fuse for 230V operation, and this manual. If any of the items are damaged or missing, immediately return the complete package to the place of purchase for an exchange.

INTRODUCTION

The FG2C-UA and FG3C-UA Function Generators are stable low distortion instruments that generate sine, triangle, and square waveforms in frequencies up to 3 MHz. The FG2C-UA has amplitude, offset, and duty cycle controls. The outputs are Main(50Ω) and logic(TTL and CMOS). The FG3C-UA has the same capabilities plus internal Sweep(Log/ Linear), Modulation (AM/FM), external VCF/MOD and counter inputs and GCV output. The counter can be switched to measure and display the frequency of an external signal up to 150 MHz.

FEATURES COMPARISON TABLE FOR MODELS

FEATURE FG2C-UA FG3C-UA AM/FM modulation na X SWEEP control na X COUNTER input na X GCV Output na X TTL/CMOS output X X VCF input X X Duty Cycle Control X X

Fig. 1 FG2C-UA Front Panel

Fig.2 Rear Panel

P O W E R

M O

Fig. 3 FG3C-UA Front Panel

Fig 4. FG3C-UA Rear Panel

CONTROL DESCRIPTIONS

Front and Rear Panel

1. Power Switch

Applies line power to the FG2C-UA/FG3C-UA power supply.

2. Gate Interval Indicator (FG3C-UA)

Gate interval indicator (the gate interval of internal counter is 0.01 second).

2a. Gate Time Selector (FG3C-UA)

Press this button to change gate time when use EXTernal counter mode. The sequence is 0.01s, 0.1s, 1s, or 10s

selected by pressing this button.

3. Over Range Indicator (FG3C-UA)

In the external counter mode, the indicator is illuminated when the output frequency is greater than the

range selected.

4. Counter Display (FG3C-UA)

Shows the external frequency via a 6 digit green display, and the internal frequency via a 5 digit green

display.

5. Frequency Indicator (FG3C-UA)

Indicates the current frequency value multiplier.

6. Gate Time Indicator (FG3C-UA)

Flashes at the beginning of each gating interval.

7. Frequency Range Selector

Select the required frequency range by pressing the relevant push button on the panel as shown in Table 1 .

Table 1.

Push Button Frequency Range

1 0.3Hz to 3Hz 10 3Hz to 30Hz 100 30Hz to 300Hz 1k 300Hz to 3kHz 10k 3kHz to 30kHz 100k 30kHz to 300kHz 1M 300kHz to 3MHz

8. Function Selector

Press one of the three push buttons to select the desired output waveform.

9. Duty Function

Pull out and rotate the knob to adjust the duty cycle of the waveform.

10. TTL/CMOS Selector

When the knob is in, the

rotating the knob will adjust the CMOS compatible output (5 -15Vpp) at the BNC (20) terminal .

11. DC Offset Control

Pull out the knob to select any DC level of the waveform between ±10V., turn the knob clockwise to select a

positive DC offset level of the waveform and counterclockwise for a negative DC offset level of the waveform.

12. Output Amplitude Control with Attenuation Operation

Turn clockwise for MAX output and counterclockwise for MIN output. Pull the knob out for additional 20dB

output attenuation.

12a. 20dB Attenuation

Press the button to reduce the output by 20dB .

13 FREQ/SWEEP (SWEEP FG3C-UA)

Selector and Frequency Adjustment

BNC terminal (20) will output a TTL compatible waveform. If the knob is out,

(Sweep On/Off): Turn clockwise the knob clockwise for MAX frequency and counterclockwise for MIN

frequency. (Keep the knob pointer within the scale range on the panel). Pull out the knob to start the auto sweep operation; the upper frequency limit is determined by the knob position.

14 SWEEP TIME (FG3C-UA)

Control and LIN/LOG Selector: (1) Rotate the knob clockwise to adjust sweep time for MAX, or counterclockwise for MIN. (2) Select Linear sweep mode by pushing in the knob or LOG sweep mode by pulling out the knob.

15. MOD ON/OFF Selector (FG3C-UA)

Press the button once, the indicator will light, and the output will be modulated by internal 400Hz sinewave

or press the button again, the indicator will be off, and the output will be modulated an external signal via VCF/MOD in connector (21) .

16. MOD/DEPTH (FG3C-UA)

SWEEP RATE and AM/FM Selector: (1) Sweep width can be controlled from 0 to 100 ratio. (2) Adjust modulation ratio by turning the knob clockwise for MAX, or counterclockwise for MIN. (3) Select AM(amplitude modulation) mode by pushing in the knob or FM(frequency modulation) mode

17 MOD EXT (FG3C-UA)

Selector: Press the button once, the indicator will light, and EXTernal MODulation is selected. Press the button

18. INT/EXT Counter Switch (FG3C-UA)

Select internal counter mode (count the frequency of the FG3C-UA output) or select EXT counter mode for an

19. EXT. Counter Input Terminal (FG3C-UA)

Accepts external signals for measurement.

20. TTL/CMOS Output Terminal

TTL/CMOS compatible signal output

21. VCF/MOD

Input Terminal: Connector for the input voltage required to perform the “voltage control frequency”

22. Main Output Terminal

Main signal output.: The Output signal is calibrated for a 50

23. GCV Output (FG3C-UA)

This is a DC voltage output that ﬂows the output frequency of each range. Minimum (~ 0 VDC) to maximum

24. 115/230 Switch

This switch selects the mains power voltage.

by pulling out the knob.

again, the indicator will be off, and internal MODulation is selected.

independent counter (input signal from BNC (19) terminal).

operation or the EXT modulation operation.

Ω load.

(~ +2 VDC)

USAGE PROCEDURES

The following section describes the basic setup and controls for operating the functions of this instrument. One of the best ways to observe waveforms is to connect the function generator to an oscilloscope. Observe the

effects that different controls have on the waveforms displayed on the oscilloscope when preceding with the following steps:

First-step check:

(1) Ensure that the mains voltage switch (24) on the rear panel of this instrument is compatible with the mains supply.

Connect the instrument to the mains supply using the power cord supplied. (2) Press PWR (1) switch, ensure all the rotary knobs are pushed in, and rotate the AMPL (12) knob to fully

counterclockwise. (3) Rotate the FREQ (13) control fully counterclockwise.

Triangle, square, and sine waves

Figure 5

TTL PULSE 0V

TRIANGLE 0V

SINE 0V

SQUARE 0V

(1) Select the Function (8) , select the Range (7), and rotate the FREQUENCY (13) knob to set the required frequency (read output in display window (4) ).

(2) Connect the Output (22) terminal to the oscilloscope for observing the waveform signal. (3) Rotate the AMPL (12) knob to control the waveform amplitude. (4) If attenuation of the output signal is required, pull out the AMPL (12) knob to obtain 20dB attenuation or press

the ATT -20dB (12a) button for additional 20dB attenuation.. (5) The phase-relation of Output waveform and TTL output is shown in Figure 5 below:

Pulse wave generation

(1) Press the Function (8) button ( ), select the Range (7), and rotate the FREQUENCY (13) knob to set the frequency.

(2) Connect the OUTPUT terminal (22) to the oscilloscope for observing the output signal.

(3) Pull out and rotate the Duty (9) knob to adjust the width of pulse waveform.

(4) Adjust the AMPL (12) knob to control the pulse amplitude. (5) Pull out the AMPL (12) knob to attenuate the output signal by 20dB.

Ramp wave generation

(1) Press the Function (8) button ( ) , select the Range (7) , rotate the FREQUENCY (13) knob to set the frequency.

(2) Connect the OUTPUT terminal (22) to the oscilloscope for observing the output signal. (3) Pull out and rotate the Duty (9) knob to adjust the slope of ramp waveform. (4) Adjust the AMPL (12) knob to control output amplitude of ramp waveform. (5) Pull out the AMPL (12) knob to attenuate the output signal by 20dB.

TTL/CMOS signal output

(1) Select the Range (7) , and rotate the FREQUENCY (13) knob to set the frequency. (2) Connect BNC connector of TTL/CMOS (20) to oscilloscope to observe the output signal. (3) The output is a square waveform ﬁxed at TTL level, suitable for general TTL integrated circuits. (4) If a square waveform of CMOS level is required, pull out the CMOS (10) knob and adjust to required voltage

levels.

Variation of external voltage-controlled frequency (VCF) (FG3C-UA only)

This mode of operation allows the user to adjust the frequency of the Function Generator with an external DC control Voltage.

(1) Select the Function (8), select the Range (7), and rotate the FREQUENCY (13) knob to set the required frequency. (2) Connect external control voltage (0 ± 10VDC) to the VCF (21) terminal via a suitable lead, and observe the signal

generated from the Output (22) BNC terminal. (3) Other adjustments; the AMPL (12) knob can change the amplitude of signal, or attenuate the signal; the Offset

(11) knob is for DC level changes, rotate the Duty (8) knob to change the output ratio of pulse or ramp waveform etc..

Sweep (internal) (FG3C-UA only)

(6) Rotate the SWEEP TIME (14) knob and monitor channel 2 to set sweep time (oscilloscope signal period is sweep repetition rate)

(7) Rotate the SWEEP RATE (16) knob and monitor channel 2 to set sweep span (oscilloscope signal amplitude is the minimum frequency (lowest point) to maximum frequency (highest point).

(8) The sweep function is linear with the SWEEP TIME (14) knob pushed in and logarithmic when pulled out.

Note: The sweep width can only be adjusted during the sweep cycle and it cannot be stopped.

Sweep (external) (FG3C-UA only)

(1) Select the Function (8) button and select the Range (7). (2) Connect the OUTPUT (22) terminal to the oscilloscope channel 1 for observing the OUTPUT signal. (3) Connect the rear panel GCV (23) terminal to the oscilloscope channel 2 for observing sweep control signal. (4) Connect a second function generator to the VCF/MOD (21) terminal for the sweep control signal. (5) Disable the MOD EXT (17) button – LED off. (6) Rotate the FREQUENCY (13) knob to determine the upper output sweep frequency. (7) Pull out the FREQUENCY (13) knob to activate sweep operation. (8) Enable the MOD EXT (17) button – LED on. (9) The external sweep signal should go from 0 Vpp to a maximum of +10 Vpp. 0 Vpp is the frequency set in step (3). +1 Vpp is approximately 0.1 times frequency set in step (3). +5 Vpp is approximately 0.5 times frequency set in step (3). +10 Vpp is approximately 0.01 times frequency set in step (3).

This method of sweeping goes from high to low.

Example: Sweep from 10 kHz to 1 kHz at a 2 kHz rate. Set the Set the external signal for a ramp of 2 kHz from 0 to +1 Vpp The FG3C-UA output signal amplitude is set by the FG3C-UA amplitude controls.

Note: The sweep width can only be adjusted during the sweep cycle and it cannot be stopped.

AM/FM Modulation (internal) (FG3C-UA only)

(1) Select the Function (8), select the Range (7), rotate the FREQUENCY (13) knob to set required frequency. (2) Connect OUTPUT terminal (22) to the oscilloscope for observing the output signal. (3) For the FM modulation mode, press the MOD ON (15) button and pull out the MOD/DEPTH (16) knob. (4) For the AM modulation mode, press the MOD ON (15) button and push in the MOD/DEPTH (16) knob. (5) Adjust the MOD/DEPTH (16) knob to achieve required modulation ratio.

FREQUENCY (13) knob to 10 kHz on FG3C-UA display.

AM/FM Modulation (external) (FG3C-UA only)

(1) Select the Function (8), select the Range (7), rotate the FREQUENCY (13) knob to set required frequency. (2) Connect OUTPUT terminal (22) to the oscilloscope for observing the output signal. (3) Connect external modulating signal to the VCF/MOD (21) input (< 10Vpp) (4) Press the MOD EXT (17) button to use the external modulation signal. (5) For the FM modulation mode, press the MOD ON (15) button and pull out the MOD/DEPTH (16) knob. (6) For the AM modulation mode, press the MOD ON (15) button and push in the MOD/DEPTH (16) knob. (7) Adjust the MOD/DEPTH (16) knob and external signal to achieve required modulation ratio and frequency.

PRECAUTION ITEMS

(1) The DC OFFSET (11) knob, will provide a DC level voltage of ±10V (no load) or ± 5V (50 Ω load). However, the

signal amplitude plus the DC level, is limited to ±20V (no load) or ± 10V (50 Ω load). In case of over voltage, clipping will appear as shown in Figure 6.

(2) The main OUTPUT terminal is calibrated into a 50 Ω load. This indicates that the signal source impedance is 50 Ω. The

OUTPUT terminal may be connected to any circuit input impedance, but output the voltage and terminal impedance

will not be calibrated. To avoid oscillation, the OUTPUT terminal should be connected to a 50 Ω load (especially when

VAR Y T HE DU T Y O F S HOR T E R T IME S E C T ION B Y ADJ US T ING T H E FR E QU E NC Y ADJ US T ME NT D IAL

PU LS E (S QU AR E WAVE )

R AMP (T R IANG L E WAVE )

T TL C MO S

UN SY ME T R IC AL (S INE W AVE )

VAR Y T HE DU T Y O F LO NG E R T IME S E C TI ON B Y ADJ US T ING T H E DUT Y C ON TR O LL E R

A. Ze ro DC Of fse t With Maxi mum S ignal

B . O ffs et Limit withou t C lippin g

C . E xc es si ve Of fse t All e xample s : Ou tput te rmina ted into 50 Ω

P OS I TI VE DC O FF S E T

NE GA T IV E DC O FF S E T

P OS I TI VE DC O FF S E T

NE GA T IV E DC O FF S E T

Figure 6 Figure 7

using high frequency and square wave output), and the connecting cable should be as short as possible.

(3) When the DUTY knob is full counterclockwise, the ratio of positive state to negative state, should not be less

than 80:20. When the DUTY knob is full clockwise, the ratio of positive state to negative state, should not be greater than 20:80. Square waves can be expanded to pulse waves, triangle waves can be expanded to ramp waves, sine waves can be expanded to unsymmetrical sine waves. The Figure 7 shows the effect of the DUTY control adjustment on different waveforms.

FUSE REPLACEMENT (See Figs. 2 and 4)

Preliminary: Disconnect test leads from circuit and Function Generator. Push Power Switch off and unplug the power cord from the rear of the Function Generator.

Warning: Failure to turn off and remove power from the Function Generator before changing the mains power fuse could result in damage to the instrument and the operator.

Fuse replacement: Remove the fuse by inserting a small ﬂat blade screwdriver into the notch at the bottom of the

mains power connector socket. Slide the fuse holder out. Replace the fuse with one of the following:

115 VAC 50/60 Hz: T0.315A/250V fuse (5mm x 20mm), I.R. 200A – Littel Fuse p/n 218.315, or Bussmann p/n. GDC-315mA.

230 VAC 50/60 Hz: T0.160A/250V fuse (5mm x 20mm), I.R. 200A – Littel Fuse p/n 218.160, or Bussmann p/n.

GDC-160mA.

Warning: Use only an equivalent fuse to the one speciﬁed. Use of an incorrect fuse could result in serious injury or even death.

Reassembly: Slide the fuse holder back into the fuse cavity and reconnect the power cord.

MAINTENANCE

The front panel and case can be cleaned with a mild solution of detergent and water. Apply sparingly with a soft cloth and allow the function generator to dry completely before using. Do not use aromatic hydrocarbons or chlorinated solvents for cleaning.

Repair

All test tools returned for warranty or non-warranty repair or for calibration should be accompanied by the following: your name, company’s name, address, telephone number, and proof of purchase. Additionally, please include a brief description of the problem or the service requested and include the test leads with the meter. Nonwarranty repair or replacement charges should be remitted in the form of a check, a money order, credit card with expiration date, or a purchase order made payable to Amprobe® Test Tools.

In-Warranty Repairs and Replacement – All Countries

Please read the warranty statement and check your battery before requesting repair. During the warranty period any defective test tool can be returned to your Amprobe® Test Tools distributor for an exchange for the same or like product. Please check the “Where to Buy” section on www.amprobe.com for a list of distributors near you. Additionally, in the United States and Canada In-Warranty repair and replacement units can also be sent to a Amprobe® Test Tools Service Center (see address below).

Non-Warranty Repairs and Replacement – US and Canada

Non-warranty repairs in the United States and Canada should be sent to a Amprobe® Test Tools Service Center. Call Amprobe® Test Tools or inquire at your point of purchase for current repair and replacement rates.

In USA In Canada

Amprobe Test Tools Amprobe Test Tools Everett, WA 98203 Mississauga, ON L4Z 1X9 Tel: 877-AMPROBE (267-7623) Tel: 905-890-7600

Non-Warranty Repairs and Replacement – Europe

European non-warranty units can be replaced by your Amprobe® Test Tools distributor for a nominal charge. Please check the “Where to Buy” section on www.amprobe.com for a list of distributors near you.

European Correspondence Address*

Amprobe® Test Tools Europe P.O. Box 1186 5602 BD Eindhoven The Netherlands *(Correspondence only – no repair or replacement available from this address. European customers please contact

your distributor.)

SPECIFICATIONS

1. Main FG2C-UA FG3C-UA

Frequency Range 0.3 Hz to 3 MHz (7 Range) 0.3 Hz to 3 MHz (7 Range) Amplitude 10Vpp (into 50

Ω load) (typ) 10Vpp (into 50 Ω load) (typ) Impedance 50 Ω ±10% 50 Ω ±10% Attenuator -20dB ±1dB x 2 -20dB ±1dB x 2 DC Offset <-5V to > +5V (into 50Ω load) <-5V to > +5V (into 50 Ω load) Duty Cycle Control 80%:20%:80% to 1MHz

80%:20%:80% to 1MHz Continuously Continuously variable

variable LED Display N/A 6 digits; 7.6mm (0.3 in) high Range Accuracy ±5% +1 Hz (at 3.0 position) N/A

2. Sine Wave

Distortion

≤1 %, 0.3 Hz to 200 kHz ≤1 %, 0.3 Hz to 200 kHz 35dB below fundamental (typ.) 35dB below fundamental (typ.) (Speciﬁcation applied from MAX. to 1/10 level) Flatness < 0.3dB, 0.3 Hz to 300 kHz < 0.3dB, 0.3 Hz to 300 kHz < 0.5dB, 300 kHz to 3 MHz < 0.5dB, 300 kHz to 3 MHz

3.Triangle Wave

Linear

≥ 98 %, 0.3 Hz to 100 kHz ≥ 98 %, 0.3 Hz to 100 kHz ≥ 95 %, 100 kHz to 3 MHz ≥ 95 %, 100 kHz to 3 MHz

4. Square Wave

Symmetry ± 2%, 0.3 Hz to 100 kHz ± 2%, 0.3 Hz to 100 kHz Rise or Fall Time

≤ 100ns at maximum output. ≤ 100ns at maximum output. (into 50 Ω load) (into 50 Ω load)

5. CMOS Output FG2C-UA FG3C-UA

Level 4Vpp ±1Vpp to 14.5Vpp 4Vpp ±1Vpp to 14.5Vpp ± 0.5Vpp adjustable ± 0.5Vpp adjustable Rise or Fall Time

6. TTL Output

Level Fan Out 20 TTL load 20 TTL load Rise or Fall Time ≤ 25ns ≤ 25ns

7. VCF

Input voltage 0 to 10V ±1V(100:1) 0 to 10V ±1V(100:1) Input Impedance 10k

8. GCV

Output voltage N/A 0 to 2VDC

9. Sweep Operation

Sweep/Manual N/A Switch selector Sweep Width N/A 100:1 ratio max. Varies with

Sweep Time N/A 0.5 Sec to 30 Sec adjustable Sweep/Mode N/A Lin./Log. switch selector

10. Amplitude Modulation

Depth N/A 0 to 100% MODulation Frequency N/A 400 Hz(INT), DC to 1 MHz (EXT) Carrier BW N/A 100 Hz to 3 MHz (-3dB) EXT Sensitivity N/A

11. Frequency Modulation

Deviation N/A 0 to ±5% Modulation Frequency N/A 400Hz (INT), DC to 20 kHz (EXT) EXT Sensitivity N/A

12. Frequency Counter

Int./Ext. N/A Switch selector Range N/A 0.3 Hz to 3 MHz (5 Hz to 150 MHz EXT) Accuracy N/A Time base accuracy ±1 count Time base warm up N/A ±20 ppm (23°C ± 5°C) after 30 minutes Resolution N/A The maximum resolution is 10 nHz for

Input Impedance N/A 1MΩ/150pf Sensitivity N/A ≤ 35 mVrms (5Hz to 100MHz) ≤ 45 mVrms (100MHz to150MHz)

13.General LED Display N/A 6 digits; 7.6mm (.3 in) high

Power Source 115, 230VAC ±15%, 50/60Hz 115, 230VAC ±15%, 50/60Hz Operation Environment Indoor use, Altitude up to 2000m. Ambient Temperature 0°C to 40°C, Relative Humidity 80%(maximum). Storage Temperature & Humidity -10 °C to 70°C @ 70% R.H.(maximum). Accessories 1 each BNC to alligator clip coaxial lead, 2 each each BNC to

Dimension 243(w) x 93(H) x 292(D) mm Weight Approx. 2.0 kgs. Approx. 2.2 kgs.

≤ 120ns ≤ 120ns

≥ 3Vpp ≥ 3Vpp

Ω ±10% 10k Ω ±10%

FREQUENCY setting and RANGE selected

≤10Vpp for 100 % modulation

≤10Vpp for 10% modulation

1Hz and 1 kHz for 100MHz

alligator clip Instruction Manual, Spare Fuse coaxial lead, Instruction

Manual, Spare Fuse

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