30W Linear Power Amplifier for Direct Conversion HF Transceiver
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The PCB and MosFets
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5 turn bias trimmers
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MosFet installation
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The transformers
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and jumper wires
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The heatsink view 1
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The heatsink view 2

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The heatsink view 3
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Assembly completed 1
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Assembly completed 2
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Assembly completed 3
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Detail 1
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Detail 2

New driver transformer

Transformer detail

Matti Hohtola OH7SV June 2004
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