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Mark Atkinson
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Control board
Start sequencer and interlock board for amplifier, 4 layers, nothing unusual, production quality very good
Rf drain supply
Plain 2 layer fr4 PCB delivered quickly, A potential problem was picked up at the manufacturing stage, saving a respin of the PCB if it had been an actual problem.
RF output matching
Quality PCB as usual
Amp control
Bias supply and start sequencer for an amplifier, 4 layer no special features. Good pcb, well defined pads and easy to read silkscreen.
Cap board
PFN capacitor section, good quality 2 layer board delivered quickly.
Shim
Bare FR4 board to be used as an insulator, looks good, board thickness was well within the FR4 thickness tolerance range.
Capacitor board
PFN section capacitor board, 2 layers very simple good as usual.
Rf gate bias
Plain 2 layer FR4 board
Rf input matching
Quality PCB as usual
Differential preamp
Small rogers PCB, plenty of 402 components, pads are well defined, boards look good
Shim
Insulating shim, originally designed as a PCB but ended up being a CNC machining job due to Z tolerance restrictions. After some back and forth the requirements of this unusual PCB were understood and...
Switch section
HV switch stack section, good quality PCB as usual
Hw control AC
Hot water diverter, 2 layer board with some fine pitch components, perfect.
Switch test
Stackable switch module, 2 layers nothing special, all is good
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