LIGO Document D0902745-v3
- 9 to 100 MHz, I&Q Demodulator board for LSC and ASC RF demodulation
- Protection diodes were added to the inputs of the audio frequency IF amplifiers, U10 and U12. Resistors R40 and R41 were added to bypass amplifiers U11 and U9, connecting U10 and U12 directly to the differential outputs.
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