Broadband Amplifier (CB21860E)

This circuit has a voltage gain of 30 times and passband of 14 MHz. The circuit is from the 1974 Ferranti transistor manual.

Multiple Feedback Band Pass Filter (CB6249E)
This circuit is suggested by Texas Instruments in old documentation. The components depend on the...
Sweep Generator from 430 to 470 kHz (CB3902E)
This circuit is primarily intended for the calibration of common radio IF steps using the...
Regulated Voltage Divider (CB1509E )
We find this circuit in a technical documentation of 1976. The transistors can be the BD135 and...