This amplifier with the LM1098 and LM101 by Motorola from a 1990 manual can be designed with more modern operations. The bandpass for small signals is 3.5 MHz and the power range is 250 kHz.
This circuit is from an old American documentation from the 70s. Transistor 2N3904 can be replaced by...
Based on an integrated LM3914 Bargraph circuit. this design causes voltage variations between 0...
This circuit is from 1995 documentation. The power depends on the transformer, which in this case...