This broadband amplifier was found in an Elektor from the 90's. The gain is 10 dB with a noise figure of less than 5 dB.
We found this timer circuit in a 1999 documentation. It triggers two relays sequentially, at...
This circuit was found in an old manual and can be applied to any operational amplifier. The power...
This circuit is from the Motorola Linear Databook published in 1990. The circuit for 1 kHz can be...