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GENESIS G40: Assembly Help File - Pictorial PHASE 8.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

Phase 8. Power Amplifier

-glue together two BN ferrite cores.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-cut two 20cm long pieces of enamel coated Cu wire and twist as per photo: 3 turns per each 10 mm of length.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-feed the twisted wire through BN core as shown here (fromt view).

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-back view.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-insert transformer into PCB, form leads, pull them tight and cut so that approx. 5mm of wire is protruding out.

-remove transformer form PCB, scrape enamel coating from the leads but DO NOT TIN them as yet

- insert transformer back into PCB and solder the leads.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-attach IRF510 power MOSFET to its heat sink with M3 screw. -solder IRF510 leads and two heat sink pins.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-solder all remaining components in PA section.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-install two jump wire.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-with 5K trimmer [Y502] adjust the gate voltage to 4.2V

NOTE: nominal output power of G40 is approx. 8W out. However to ensure reliable operation and to avoid excess heat REDUCE the output power to 5W.

Genesis G40 monoband 40m all-mode 5W SDR transceiver kit

-G40 is now assembled and ready for PC RX/TX test.

Click here to proceed to G40 PC RX/TX test
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