Tag Archives: mosfet

Amp Testing & Bias Setting

The amplifier is now being tested and the bias set from the driver stage.  I am using an LM4702B to drive the 2SK1058 / 2SJ162 MOSFET output stage.  These devices will have a bias of 115mA to take them just into … Continue reading

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Amp Developments

The break has also given me time to think about the design. I like to get components as close to each other as possible. PCBs, generally speaking, have poor quality copper track on them. So I was building the circuit … Continue reading

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Circuit testing

The build has finished for the moment and I am about to start testing the circuitry to make sure I haven’t made any wiring errors. I know it looks a total mess but that is because the wires are a … Continue reading

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