The frequency of this circuit depends on C1 and, for the indicated values, it is 1 kHz. Equivalent operational amplifiers can be used, and the power supply must be symmetrical.
This audio oscillator configuration appears in many of our circuits and even in this section from...
This class B circuit was found in the 1960 Mullard transistor reference manual. Transformers are...
The Buck-type DC-DC converter (voltage lowerer) shown in figure 11 is suggested by Analog Devices...