Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be replaced with equivalents. MOSFET is the critical component of the circuit.
The supply can be between 4 and 10 V in this circuit and R4 is necessary when the supply is less...
This is an integrated recommended for portable amplifiers, recorders, and battery powered radios. It...
Found in American documentation, this circuit generates linear sawtooth signals using a constant...