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.
Being able to operate with frequencies up to 100 kHz, this circuit was found in a 90’s...
The integrated circuit used in this filter is not very common today, but the reader can use...
This circuit doubles the frequency of signals from 10 to 50 MHz. We found it in a 1969 Electronic...