This circuit generate sine wave oscillation, but actually we can modify the circuit to generate triangle or square wave function. This waveform generator integrated circuit chip is very interesting ...

Our modification to the function-generator circuit allows low-voltage battery operation (Fig. 2). Current mirrors—Q1-R3, Q2-R4, Q3-R5, and Q4-R6—replace the resistors.

The traditional analog function generator with its customary triple-threat ensemble of square, triangle, and sine waveform outputs is a familiar tool on electronics lab benches. It’s also a classical ...

The circuit is a simple transimpedance amplifier that converts the device under test’s (DUT’s) IDS into an output voltage (Fig. 1). O p-amp U1A maintains the DUT’s source voltage at 0 V.