Reports until 10:14, Friday 25 April 2014
H1 ISC
daniel.sigg@LIGO.ORG - posted 10:14, Friday 25 April 2014 (11570)
RF amp added to COMM PLL BBPD

A ZFL-500LNB+ Mini-Circuits amplifier was added to the output of the COMM PLL BBPD. It is mounted directly to the output connector of BBPD using a SMA barrel. This amplifier was measured to have 29dB-30dB of gain in the 80MHz frequency range. Currently, there is a power supply on top of the enclosure. Longer term, we want to splice this into the +/-15V supply running to the BBPD. All other amplifiers were removed from the path.