This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz. FET is old, but modern equivalents can be used.
This amplifier has a few Watt output, using old transistors. The speaker is 45 ohms, but with...
This circuit was found in an 80's Electronic Design. It amplifies TTL fast signals for a coaxial...
This circuit uses a Norton operational amplifier to generate 1 kHz pulses with a 1 to 60...