This circuit was found in Motorola documentation from 1969. The transistors are from that time. The pulses are 200 ns with 500 mA. Observe the high supply voltage.
This receiver receives signals in the 17 MHz or 11-meter range and can be used as a base for an...
The operational amplifier used in this circuit is not common today. The frequency is given by the...
In the figure we have the way to add hysteresis to an operational amplifier. The relationship...