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TG330 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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TG330 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers |
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2 / 4 page  TG315, TG320, TG330 function generators the highest waveform quality the widest range of facilities TG330 in swept frequency mode. Dual digital displays for precision & convenience The TG300 series generators incorporate a large dual-section digital display. Unlike competitive products the display provides a readout not just of frequency, but of amplitude or offset simultaneously. Fast and accurate frequency measurement Auto-ranging reciprocal measurement gives 4-digit resolution with rapid update right down to Hz levels. Accuracy is within ±1 digit. To maintain a fast update at sub-Hz frequencies, the measurement mode is changed resulting in 3-digit resolution and reduced accuracy. However, when compared to the normal fixed gate-time meters used in other prod- ucts it provides both higher accuracy and faster display update across the whole fre- quency range. RMS or peak to peak amplitude display The output level display can be selected to show any of three values: 1. The peak to peak amplitude 2. The RMS amplitude 3. The DC offset RMS values are calculated correctly for each waveform shape. The decimal point and units are changed automatically resulting in a display of the true amplitude regardless of the attenu- ator setting. A display indicator warns against illegal combinations of offset and amplitude setting that would create clipping in the output stage. 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- stant amplitude as the frequency is varied. 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 state- of-the-art in low-cost analogue function generators. u 0.03Hz to 3MHz frequency range u Simultaneous display of frequency & amplitude u External 7 digit 120MHz frequency counter (not TG315) u Very high waveform quality at all frequencies & levels u 2mV to 20V pk-pk from 50 or 600 u Auxiliary TTL/CMOS output u Variable symmetry with constant frequency u Variable DC offset with zero detent u 1000:1 frequency change by vernier or sweep voltage u Precision internal linear or logarithmic sweep (TG330) u Internal or external amplitude modulation (TG330) External counter with seven digit resolution The TG320 and TG330 have an external counter mode which utilises the full width of the display to provide up to seven digits of resolution. The frequency range is from 5Hz up to 120MHz in two ranges, and the input sen- sitivity is better than 50mV rms. A measurement period of 0.5 or 5 seconds can be selected. A reciprocal counting measurement system is used which en- sures high resolution regardless of input frequency. Thus, for example, mains frequency can be measured to a resolution of better than 1mHz. Accuracy is better than 10ppm (0.001%) and an external adjustment point allows for closed case re-calibration. Exceptional waveform quality The TG300 series provides very high waveform quality under all conditions. 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 levels. Variable symmetry for pulse and ramp waveforms 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 50 Ω 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 DC offset of ±10V is available via a centre detent control. An auxiliary 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. Advanced internal sweep The TG330 incorporates a versatile inter- nal sweep generator capable of providing linear or logarithmic frequency sweeps. Start and stop frequencies can be set with precision using the digital display. Sweep ranges of over 1000:1 are possible. The sweep rate is adjustable over a wide range with good setability between limits of 20ms and 20s. A sweep output socket is provided for use with an oscilloscope or an X-Y recorder. Un- like many other sweep generators, the sweep ramp is triangular which gives a su- perior display when using an oscilloscope to display swept frequencies. Amplitude modulation for extra versatility The TG330 also incorporates comprehen- sive AM facilities. The modulation can be external or internal (via a 400Hz internal generator) with modulation levels fully variable between 0% and 100%. 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. Built for the bench or rack All three models are housed in the TTi mid-size bench instrument case. This heavy duty ABS case features an in- tegral tilt stand and is 2U high for optional rack mounting using an RM50 rack mount kit. |
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