This circuit was obtained from an Electronic Design from the 90's. The circuit generates signals at a frequency determined by R and C. The selection by the jumpers determines the PWM modulation.
We found this circuit in a publication from the 1970s. The circuit has a logarithmic gain...
Atmel's ATmega 324PB microcontrollers available from Mouser Electronics are RISC-based...
The purpose of this circuit is to provide the distribution of analog video signals between several...