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The test jig is designed to approximate a capacitive source to the
pre-amplifier, while presenting a 50Ω load to the network analyzer.
Its transfer ratio is -17.1dB. Note: The jig is fragile!
The pre-amplifier is tested using an HP8753D network analyzer.
The NA is set to +10dBm output power, log sweep, stop at 6GHz,
reference level -20dB, scale 3dB/division, reference position at 8 divisions.
The amplifier has a flat response (well, almost: Within 1dB) out to 800MHz.
The low cut-off frequency is about 20kHz in this set-up.
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