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TG330 Thurlby Thandar Instruments Function Generator

The TG330 is a 3 MHz function generator from Thurlby Thandar Instruments.
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  • 0.03Hz to 3MHz frequency range
  • Simultaneous display of frequency & amplitude
  • External 7 digit 120MHz frequency counter
  • High waveform quality at all frequencies & levels
  • 2mV to 20V pk-pk from 50 Ohms or 600 Ohms
  • Variable symmetry with constant frequency
  • Auxiliary TTL/CMOS output
  • 1000:1 frequency change by vernier or sweep voltage
  • Precision internal linear or logarithmic sweep
  • Internal or external amplitude modulation


  • 2U Rack Mount for plastic cased bench instruments


  • Frequency Range: 0.03Hz to 3MHz in 7 overlapping decade ranges with fine adjustment by a vernier.
  • Vernier Range: 1000:1 on each range.

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 amplitude modulation.

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