TTI TG300 Technical data
THURLBY THANDAR INSTRUMENTS
TG300 Series
3MHz function and sweep/function generators
simultaneous display of frequency&litude
seven digit 120MHz external frequency counter
internal sweep generator, amplitude modulation
TG315, TG320, TG330 function generators
A state-of-the-art
instrument
The function generator is one of the most
versatile pieces of test &measurement in
strumentation available.
It can generate a variety of precision
waveshapes over a range of frequencies
from mHz to MHz. It can provide a wide
range of controlled amplitudes from a
low-impedance source, and maintain con
stantamplitudeasthe frequencyisvaried.
Voltage control of frequency enables a
source of swept frequency to be gener
ated for frequency response testing.
Modulation can also be added.
The TG300 series represents the stateof-the-art in low-cost analogue function
generators.
Exceptional waveform quality
The TG300 series provides very high
waveform quality under all conditions.
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That means low sinewave distortion, low
aberration triangle waves and fast-edged
square waves with low overshoot.
Unlike many competitive products good
waveform quality is maintained through
out the frequency range and at low output
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levels.
V ariab le symmetry for pulse
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and ramp wa v ef orms
The TG300 series provides bi-directional
variable symmetry from 1:9 to 9:1. Unlike
some products, frequency is independent
of symmetry setting.
Wide range level control
The TG300 series provides a main output
with a maximum emf of 20V pk-pk from a
50Ω or 600Ω source.
An amplitude vernier with a range of 20dB
is combined with two switched attenua
tors of -20dB and -40dB to provide levels
down to 2mV pk-pk unterminated.
Variable DCoffset of ±10V is available via
acentredetent control. Anauxiliary output
provides a fixed 0V to +5V level suitable
for driving both TTL and CMOS loads.
Wide sweep range
Each range can be swept by at least
1000:1 either manually or via the external
sweep input.
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0.03Hz to 3MHz frequency range
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Simultaneous display of frequency & amplitude
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External 7 digit 120MHz frequency counter (not TG315)
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Very high waveform quality at all frequencies & levels
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2mV to 20V pk-pk from 50 or 600
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Auxiliary TTL/CMOS output
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Variable symmetry with constant frequency
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Variable DC offset with zero detent
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1000:1 frequency change by vernier or sweep voltage
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Precision internal linear or logarithmic sweep (TG330)
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Internal or external amplitude modulation (TG330)
A choice of three models
TG315
The TG315 includes dual digital display
of frequency and amplitude, along with
the basic generator functions of sine,
square & triangle waveforms, variable
DC offset, variable symmetry and an ex
ternal sweep input.
TG320
The TG320 adds an external frequency
counter with up to 7 digits of resolution
covering 5Hz to 120MHz.
TG330
The TG330 has all the features of the
TG320 plus an internal sweep generator
with linear or log sweep, variable sweep
rate and a sweep output socket.
It also offers internal or external ampli
tude modulation.
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