Found in a Philips documentation from the 90s, this circuit uses transistors from that time. Modern general-purpose transistors can be used.
In this oscillator a phase shift network formed by C1, C2, C3 and R1, R3, R4 determine the fase...
Indicated for vinyl media recovery, this circuit is from the 80's, having been found in an...
An interesting application that finds applications in industry, especially when fluctuations in...