Service and Repair

Articles
Title
The Workbench instruments – The multimeter (ART595E)
Components Recovery (SER003E)
Troubleshooting with the Multimeter (SER002E)
Troubleshooting and Repair (SER001)

Unit Gain MOSFET Amplifier (CB6128E)
This Hughes circuit is from 1968. Equivalent modern components can be used. The input impedance is...
Field Strength Meter (CB13267E)
We found this circuit in an old American publication. The transistors can be BC558 and diode 1N34....
12 V x 15 A power supply (CB17115E)
We found this circuit in a 1997 documentation. It is a source indicated for powering equipment used in...