Thurlby Thandar Instruments TG1006 User Manual

TG1006

10MHz DDS Function Generator

INSTRUCTION MANUAL

Table of Contents

Specifications 2 EMC 6 Safety 7 Installation 8 Connections 9 General 10 Standard Waveform Operation 11 Sweep 13 FSK 15 Store and Recall 16 LIST 17 Amplitude Modulation 17 External Counter 18 Calibration & Maintenance 18

This manual is 48591-1250 Issue 3

Note: The latest revision of this manual can be downloaded from: http://tti1.co.uk/downloads/manuals-generator.htm

Range:

1mHz to 10MHz.

Resolution:

1mHz or 6 digits.

Accuracy:

10 ppm for 1 year; ± 1mHz below 0.2Hz.

Temperatur e Stability:

Typically <1 ppm/ºC outside 18° to 28°C.

Output Level:

1mV to 10Vp−p into 50Ω.

<−30dBc to 10MHz (typically <−35dBc).

Non−harmonic Spurii:

<–55dBc to 1MHz, <–55dBc + 6dB/octave 1MHz to 10MHz.

Range:

1mHz to 10MHz.

Resolution:

1mHz or 6 digits.

Symmetry Control:

20% to 80%, 1mHz to 10MHz.

Accuracy:

10 ppm for 1 year; ± 1mHz below 0.2Hz.

Output Level:

1mV to 10Vp−p into 50Ω.

Rise and Fall Times:

<25ns.

Aberrations:

<5% + 2mV.

Range:

1mHz to 1 MHz.

Resolution:

1mHz or 6 digits.

Accuracy:

10 ppm for 1 year; ± 1mHz below 0.2Hz.

Output Level:

1mV to 10Vp−p into 50Ω.

Linearity Error:

<0.5% to 100 kHz.

Carrier Waveforms:

All

Sweep Mode:

Manual, linear or logarithmic, single or continuous.

setting of the start and stop frequency.

Sweep Time:

100ms to 999.99s (10ms resolution).

Sweep SYNC:

Start of sweep trigger available from SYNC output.

front panel MAN TRIG key.

frequency between the Start and Stop frequencies.

Specifications apply at 18°- 28°C after one hour warm-up, at maximum output into 50Ω.

WAVEFORMS

Standard waveforms of Sine, Squar e, Triangle and DC.

Sine

Harmonic Distortion: <0.3% THD to 20kHz (typically 0.1%).

Square

Specifications

<–45dBc to 300kHz.

Triangle

OPERATING MODES

Continuous

Continuous cycles of the selected waveform are output at the programmed frequency.

Sweep

Sweep Width:

Sweep Trigger Source: The sweep may be free run or a single sweep may be trigger ed from the

From 0.1Hz to 10MHz in one range. Phase continuous. Independent

Manual Sweep Mode: An analogue control can be used to set the gener ator to any intermediate

Carrier Frequency:

From 1mHz to 10MHz.

Carrier Waveforms:

All.

Modulation Frequency:

400Hz internal. DC to 20kHz external.

External Modulation:

AM/COUNT IN socket.

Carrier frequency:

From 0.1Hz to 10MHz.

Carrier waveforms:

All.

Switch repetition rate:

DC to 10kHz (internal trigger).

Switching signal source:

Manual (front panel MAN TRIG key) or internal trigger g ener at or.

Carrier Waveforms:

All.

Frequency List:

Up to 10 frequencies fr om 1m Hz to 10MHz.

Switching Source:

Manual from front panel MAN TRIG key.

Output Impedance:

50Ω and 600Ω (not independent).

range. Amplitude can be displayed in Vpk-pk or Vrms.

Attenuator:

0, -20dB, -40dB, or -60dB.

Amplitude Flatness:

±0.2dB to 500kHz; ±2dB to 10MHz.

plus waveform attenuated proportionally by the attenuator.

Resolution:

3 digits for both Amplitude and DC Offset.

the same as that of the waveform at MAIN OUT.

oscilloscope.

Output Signal Level:

Output impedance 50Ω nominal. Logic levels of <0. 8V & >3V.

Input Impedance:

40kΩ.

Input Sensitivity:

Approximately 2V peak-peak for 100% modulat ion.

Amplitude Modulation

Frequency Shift Keying (FSK)

Phase coherent switching between two selected frequencies at a rat e defined by the switching signal source.

Frequency List

Step through up to 10 stored frequencies.

OUTPUTS

Main Outputs

Amplitude:

DC Offset Range:

SYNC Out

Automatically selected to be either Waveform Sync or Sweep Sync.

Waveform Sync:

Sweep Sync: Outputs a trigger signal at t he s tart of sweep to synchronize an

2mV to 20V pk-pk open circuit, ( 1m V t o 10V pk-pk into 50Ω/600Ω) in four switch selectable ranges with 20dB vernier control within each

±10V. DC off set plus signal peak limited to ±10V from 50Ω/600Ω; CLIP shows in display when offset plus signal peak exceeds ±10V. DC off s et

A square wave at the main waveform frequenc y. Symmetry is 50% for sine and triangle waves at MAIN OUT; for square waves symmetry is

INPUTS

AM In

The AM/COUNT IN socket is set to AM input when EXT AM is selected.

Maximum Allowable Input Voltage:

±10V.

Input Impedance:

1MΩ//20pF.

Input Sensitivity:

50mVrms (sinewave).

1Vrms above 1MHz.

typically ±5% of range full scale.

corrected for attenuator setting.

Frequency Range:

3Hz to >120MHz.

Frequency Resolutuion:

Up to 7 digits displayed.

Input Sensitivity:

Better than 50mVrms (sinewave).

Measurement Time:

Automatic.

Accuracy:

±1 digit ± t imebas e accuracy.

1ppm/°C.

Display:

LCD.

by rotary control.

volatile memory.

Size:

260(W) x 88(H) x 235(D)

Weight:

1.45kg. (3.2lb.)

adjustable internally; 35VA max. Installation Category II.

Operating Range:

+5°C to 40°C, 20-80% RH.

Storage Range:

-20°C to + 60°C.

Environmental:

Indoor use at altitudes up to 2000m, Pollution Degr ee 2.

Safety & EMC:

Complies with EN61010-1 & EN61326.

Count In

The AM/COUNT IN socket is set to external frequency measurement when EXT COUNT is selected.

Maximum Allowable Input Voltage:

DISPLAY FUNCTIONS

The LCD shows generator frequenc y sett ing at a resolution of 4 digits simultaneously with output amplitude/offset, together with various status annunciators. Alternatively, the generator frequency setting can be displayed independently of amplitude/ offset to a resolution of 6 dig it s . The LCD also functions as the external fr equency measurement display with up to 7 digits of resolution.

Internal Measurement Accur acy

Amplitude: Display shows peak-to-peak amplitude or rms value. Display corrected

for attenuator setting and waveform type. 3-digit resolution, accuracy

DC Offset: 3-digit resolution; accuracy typically ±2% of setting ±1 digit. Display

External Frequency Measurement

30Vdc/30V

rms to 50Hz/60Hz with respect to ground

, reducing to

Timebase Accuracy: <±5ppm initial error; <± 5 ppm/ year ageing rate; typically less than

GENERAL

Data Entry: Keyboard selection of mode; value entry direct by numeric keys or

Stored Settings: Up to 10 output frequencies may be stor ed and recalled from non-

Power: 110-120V AC or 220V-240V AC ±10%, 50/60Hz,

Performance levels achieved are detailed in the user manual.

EC Declaration of Conf ormity

We Thurlby Thandar Instruments Ltd Glebe Road Huntingdon Cambridgeshire PE29 7DR England

declare that the

TG1006 10MHz Function Generator

meets the intent of the EMC Directive 2004/108/EC and the Low Voltage Directive 2006/95/EC. Compliance was demonstrated by conformance to the following specifications which have been listed in the Official Journal of the European Comm unit ies.

EMC Emissions: a) EN61326-1 (2006) Radiated, Class B

b) EN61326-1 (2006) Conducted, Class B c) EN61326-1 (2006) Harmonics, referr ing to EN61000-3-2 (2006)

Immunity: EN61326-1 (2006) Immunity Table 1, referring to:

a) EN61000-4-2 (2009) Electrostatic Discharge b) EN61000-4-3 (2006) Electromag netic Field c) EN61000-4-11 (2004) Voltage Interrupt d) EN61000-4-4 (2004) Fast Transient e) EN61000-4-5 (2006) Surge f) EN61000-4-6 (2009) Conducted RF

Safety EN61010-1 Installation Category II, Pollution Degree 2.

CHRIS W ILDING TECHNICAL DIRECTOR 2 January 2013

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