The TG210/TG215/TG230 are 2MHz function generators with waveforms of sine, triangle, ramp, pulse and DC from a variable amplitude 50Ω or 600Ω output (50Ω only on TG230). A TTL/CMOS output is also provided. The frequency range is 0.02Hz to 2MHz selected by a seven decade range multiplier and calibrated vernier. Both the frequency vernier and the sweep input can give 1000:1 frequency change within a selected range. The generator output level is 20Vpk-pk maximum from a 50/600Ω source. The level is set via a switched attenuator plus vernier with a total range of >60dB. DC offset is vernier adjustable over a ±10V range with centre detent for 0V. A 10:1 symmetry range permits ramp and pulse waveforms to be produced. The TG215 and TG230 have digital readout of frequency, amplitude and offset with high resolution and fast update across the frequency range. The TG230 also has internal LIN/LOG sweep with sweep output. Amplitude modulation of up to 100% is possible, using the internal 400Hz oscillator or an external source.