TTi TG120 20MHz Dial-Set Function Generator

• LOW COST GENERATOR
• VARIABLE SYMMETRY
• SWEEP MODE OPERATION
• WIDE RANGE LEVEL CONTROL

An Essential Instrument
The function generator is one of the most versatile instruments 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 constant amplitude as the frequency is varied. Voltage control of frequency allows FM modulation to be introduced or can provide a swept frequency source for such tasks as frequency response testing.

20MHz From a Low-cost Generator
Most lower cost function generators use a technology which enables them to operate up to no more than 2MHz. The TG120 utilizes an alternative technology which retains its waveform quality right up to 20MHz.

Variable Symmetry for Pulse and Ramp Waveforms
The TG120 provides switchable bi-directional variable symmetry which enables variable duty cycle pulse waveforms and sawtooths to be generated.

Sweep Mode Operation (External)
The TG120 can be operated in sweep mode by connecting an external sweep voltage. A sweep range of at least 20:1 can be achieved.

Wide Range Level Control
The TG120 provides a main output with a maximum emf of 20V pk-pk from a 50Ω source. An amplitude vernier with a range of 26dB is combined with two -20dB switched attenuators to provide levels down to 10mV pkpk. Variable DC offset of ±10V is available via a center detent control. An auxilliary output provides a fixed 0 to +5V level suitable for driving both TTL and CMOS loads.