Found in an older Radio Craft, this circuit covers the aerial band from 118 to 136 MHz. No information is given about the coils.
This circuit was found in a 90s Popular Electronics. With it, using a 4066, it is possible to...
This circuit was found in a Popular Electronics from the 90s. The circuit has temperature...
In the figure we have the basic application of an LM3900 transconductance amplifier, as suggested by...