Aim-TTi TG1006 10MHz DDS Function Generator with sweep and

AIM & THURLBY THANDAR INSTRUMENTS
TG1006
10MHz DDS Function Generator with sweep and 120MHz counter
1mHz to 10MHz continuous frequency range
DDS frequency generation for accuracy and stability
Wide range phase continuous sweep, linear or logarithmic
Modulation modes of AM, FSK and Frequency List
120MHz auto-ranging seven digit frequency meter
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TG1006 - 10MHz DDS Function Generator with sweep and 120MHz counter
DDS frequency generation
The TG1006 has been developed from the highly successful TG300 and
TG550 series of analog function generators. However, the TG1006 uses DDS
frequency generation to provide greater accuracy and stability, and to cover a
wider frequency range.
DDS (direct digital synthesis) is a technique for generating waveforms digitally
using a phase accumulator, a look-up table and a DAC. The accuracy and
stability of the resulting waveforms is related to that of the crystal master
clock.
When correctly engineered, the DDS generator offers not only exceptional
accuracy and stability but also high spectral purity, low phase noise and
excellent frequency agility.
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0.001Hz to 10MHz frequency range using DDS
6 digits or 1mHz setting resolution
1ppm stability and <10 ppm absolute accuracy for one year
Sine, square and triangle waveforms
Low distortion, high spectral purity sine waves
Simultaneous display of frequency and amplitude/offset
External seven digit 120MHz frequency counter
Internal full range phase continuous sweep, linear or log
Unique manual sweep mode for quasi-analog control
Modulations modes of AM, FSK and frequency list
2mV to 20V pk-pk output from 50W or 600W
Storage for up to ten frequencies in non-volatile memory
Wide frequency and amplitude range
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The TG1006 can generate waveforms between 0.001Hz and 10MHz with a
resolution of six digits and a one year accuracy better than 10ppm.
Amplitude is variable between 5mV and 20V pk-pk from a source impedance
of 50W or 600W.
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Numeric or spin-wheel frequency control
Frequency list and stepping
Frequencies can be entered directly from the numeric keypad in units of Hz,
kHz or MHz.
Alternatively any digit can be incremented or decremented using the spin
wheel.
Quasi-analog frequency control
One advantage that analog function generators have over digital ones is that
the frequency can be changed using an analog control. This provides intuitive
operation which is ideal for the setting up of frequency dependent parameters
such as checking filter characteristics.
The TG1006 provides a similar capability via its “manual sweep” mode. A
dedicated analog control sweeps the frequency over any defined span in a
similar way to an analog generator, but with the added advantage that the
span can be precisely controlled and can extend to almost the full range of the
generator.
Wide range sweep
All waveforms can be swept over almost the full frequency range (0.1Hz
to 10MHz) at a rate variable between 100 milliseconds and more than 15
minutes. The sweep is fully phase continuous and can be linear or logarithmic,
single or continuous.
FSK
Frequency Shift Keying provides phase coherent switching between two
selected frequencies at a rate defined by the trigger source which can be the
front panel key or internal timer (10kHz maximum).
The generator has non-volatile storage for up to 10 frequency settings.
These can be used as random storage for commonly used frequency values,
or can be stepped through in sequence as may be required in a repetitive test
routine.
AM
Amplitude modulation from 0 to 100% is provided using either an internal
400Hz source or an external source (DC to 20kHz). All waveforms can be
modulated.
External frequency counter
In external counter mode the full width of the display is used to provide up to
seven digits of resolution.
The frequency range is from 3Hz up to more than 120MHz, and the input
sensitivity is better than 50mV rms.
A reciprocal counting measurement system is used which ensures high
resolution regardless of input frequency.
Suitable for bench or rack
The generator is housed in a 2U high case with built-in tilt stand. A rack
mounting kit is available.
TG1006 - Technical Specifications
WAVEFORMS
Sine
Range:
Resolution:
Accuracy:
Temperature Stability:
Output Level:
Harmonic Distortion:
Non-harmonic Spurii:
Square
Range:
Resolution:
Symmetry Control:
Accuracy:
Output Level:
Rise and Fall Times:
Aberrations:
Triangle
Range:
Resolution:
Accuracy:
Output Level:
Linearity Error:
OUTPUTS (Continued)
1mHz to 10MHz
1mHz or 6 digits
10 ppm for 1 year; ± 1mHz below 0.2Hz
Typically <1 ppm/ºC outside 18° to 28°C
1mV to 10Vp-p into 50W
<0.3% THD to 20kHz (typically 0.1%), <–45dBc to 300kHz,
<-30dBc to 10MHz (typically <-35dBc)
<–55dBc to 1MHz, <–55dBc + 6dB/octave 1MHz to 10MHz
1mHz to 10MHz
1mHz or 6 digits
20% to 80% 1mHz to 10MHz
10 ppm for 1 year; ± 1mHz below 0.2Hz
1mV to 10Vp-p into 50W
<25ns
<5% + 2mV
1mHz to 1 MHz
1mHz or 6 digits
10 ppm for 1 year; ± 1mHz below 0.2Hz
1mV to 10Vp-p into 50W
<0.5% to 100 kHz
OPERATING MODES
Continuous
Continuous cycles of the selected waveform are output at the programmed frequency.
Sweep
Carrier Waveforms:
Sweep Mode:
Sweep Width:
Sweep Time:
Sweep SYNC:
Trigger Source:
Manual Sweep Mode:
All
Manual, linear or logarithmic, single or continuous.
From 0.1Hz to 10MHz in one range. Phase continuous. Independent setting
of the start and stop frequency.
100ms to 999s (10ms resolution).
Start of sweep trigger available from SYNC output.
The sweep may be free run or triggered from the front panel MAN TRIG key.
An analogue control can be used to set any frequency between the sweep
start and sweep stop frequencies.
Amplitude Modulation
Carrier Frequency:
From 1mHz to 10MHz.
Carrier Waveforms:
All
Modulation Frequency:400Hz internal. DC to 20kHz external
External Modulation: AM/COUNT IN socket
Frequency Shift Keying (FSK)
Phase coherent switching between two selected frequencies at a rate defined by the switching signal
source.
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 generator
Frequency List
Carrier Waveforms:
Frequency List:
Switching Source:
All
Up to 10 frequencies from 1mHz to 10MHz
Manual from front panel MAN TRIG key
Output Impedance:
Amplitude:
Attenuator:
Amplitude Flatness:
DC Offset Range:
Resolution:
Automatically selected to be either Waveform Sync or Sweep Sync:
Waveform Sync:
A square wave at the main waveform frequency. Symmetry is 50% for sine
and triangle waves at MAIN OUT; for square waves symmetry is the same as
that of the waveform at MAIN OUT.
Sweep Sync:
Outputs a trigger signal at the start of sweep to synchronize an oscilloscope.
Output Signal Level: Output impedance 50W nominal. Logic levels of <0.8V & >3V.
INPUTS
AM In
The AM/COUNT IN socket is set to AM input when External AM is selected
Input Impedance:
40kW
Input Sensitivity:
Approximately 2V peak-peak for 100% modulation.
Max. Allowable Input: ±10V
Count In
The AM/COUNT IN socket is set to external frequency measurement when EXT COUNT is selected
Input Impedance:
1MW/20pF
Input Sensitivity:
50mVrms (sinewave)
Max. Allowable Input: 30Vdc/30Vrms to 50Hz/60Hz with respect to ground, reducing to 1Vrms
above 1MHz.
DISPLAY FUNCTIONS
The LCD shows generator frequency at a resolution of 4 digits simultaneously with output amplitude/
offset, together with various status annunciators.
Alternatively, the generator frequency can be displayed without the amplitude/offset to a resolution
of 6 digits. The LCD also functions as the external frequency measurement display with up to 7 digits
of resolution.
Internal Measurement Accuracy
Amplitude:
DC Offset:
Frequency Setting:
Display shows peak-to-peak amplitude or rms value. Display corrected for
attenuator setting. 3-digit resolution, accuracy typically ±5% of full scale.
3-digit resolution; accuracy typically ±2% setting ±1 digit. Display corrected
for attenuator setting.
Resolution up to 6 digits, see Waveforms section for setting accuracy.
EXTERNAL FREQUENCY MEASUREMENT
Frequency Range:
Resolution:
Input Sensitivity:
Measurement Time:
Accuracy:
Timebase Accuracy:
3Hz to >120MHz.
Up to 7 digits
better than 50mVrms (sinewave).
Automatic.
±1 digit ± timebase accuracy.
±5ppm initial error; ± 5 ppm/year ageing rate; typically < 0.1ppm\°C.
GENERAL SPECIFICATIONS
Input
AC Input:
110-120V AC or 220V-240V AC ±10%, 50/60Hz, 35VA max.
Installation Category II.
Temperature & Environmental
Operating Range:
Storage Range:
Environmental:
Safety & EMC
Safety:
EMC:
+5ºC to +40ºC, 20% to 80% RH
-20ºC to + 60ºC
Indoor use at altitudes up to 2000m, Pollution Degree 2.
Complies with EN61010-1
Complies with EN61326
Front Panel Display and Setting
OUTPUTS
Main Outputs
SYNC Out
50W and 600W (not independent)
2mV to 20V pk-pk open circuit, (1mV to 10V pk-pk into 50W/600W) in four
switch selectable ranges with 20dB vernier control within each range.
(Amplitude can be displayed in pk-pk or r.m.s.)
0, -20dB, -40dB, or -60dB.
±0.2dB to 500kHz; ±2dB to 10MHz.
±10V. DC offset plus signal peak limited to ±10V from 50W/600W;
CLIP shows in display when offset plus signal peak exceeds ±10V. DC offset
plus waveform attenuated proportionally by the attenuator.
3 digits for both Amplitude and DC Offset.
Display:
Data Entry:
Stored Settings:
Physical
Size:
Weight:
LCD, 8 digits plus annunciators
Frequency entry by numeric keys or by rotary control.
Up to 10 output frequencies may be stored and recalled from non-volatile
memory. All frequencies settings including list, FSK and sweep parameters
are stored at power down and restored at switch-on.
260mm (W) x 88mm (H) x 235mm (D) .
1.45kg. (3.2lb.).
Specifications apply at 18°- 28°C after one hour warm-up, at maximum output into 50 W.
Thurlby Thandar Instruments Ltd. operates a policy of continuous development and reserves the right to
alter specifications without prior notice.
Designed and built in Europe by:
Thurlby Thandar Instruments Ltd.
Glebe Road, Huntingdon, Cambridgeshire. PE29 7DR United Kingdom
Tel: +44 1480 412451 Fax: +44 1480 450409
Email: info@tti-test.com Web: www.tti-test.com
Brochure Part No. 82100-1460