This circuit was found in documentation from Analog Devices from the 90s. The circuit uses components from that time, which are not common today. It serves as a reference.
This circuit was obtained from an American 80's documentation. The balanced mixer can be shown in...
This circuit produces a square wave signal with the frequency determinated by R1 and C1. The upper limit...
In the figure we have the circuit of an amplifier for alternating signals with 10 times gain,...