Programmable generator functions to 13 MHz
26 Jan 2000
Test & Measurement
Protea Communications
The TG1304 from TTi is a classic analog function generator with full digital control. It uses digital 'measure and correct' techniques to stabilise the output frequency to an accuracy of up to 0,01%. Unlike an all-digital generator, it provides triangle, ramp and pulse waveforms in addition to sine and square waves right up to its maximum frequency of 13 MHz.
The instrument has 'dual generator' architecture, containing two full-specification function generators. The main generator covers a frequency range of 0,01 Hz to 13 MHz from a 50 Ohm source impedance, while the auxiliary generator covers 0,005 Hz to 50 kHz from 600 Ohm. Both generators can provide output levels between 1 mV and 20 V peak to peak.
Although the auxiliary generator is intended primarily for providing sweep and modulation facilities for the main generator, it can also be used completely independently as a source of sine, square or triangle waves with variable symmetry. The generator offers full FM, AM and sweep facilities. An internal trigger/gating generator can be set for periods between 150 ns and 200 s (0,005 Hz and 6 MHz). Burst counts between 0,5 and 99999 can be selected with fully variable start-stop phase. A GPIB interface is standard and every function of the instrument can be controlled from the bus, which conforms fully to the IEEE-488.2 standard. The TG1304 is housed in a 3U high half-rack case with a built-in tilt stand for bench use. Alternatively, an optional rack mount is available which allows one or two units to be mounted within a standard 19" rack.
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