SpectraDynamics HPDA-15RM-B Operating Manual page 3

SDI
Description
The HPDA-15RM-B is a high performance distribution and isolation amplifier. It
contains three modules each of which provide five unity gain outputs for every input
signal.
The phase noise of the modules is exceptionally low, typically –150 dBc/Hz @ Fourier
frequency of 1 Hz and –172 dBc/Hz @ Fourier frequency greater than 10 kHz. Typical
cross-channel isolation is 125 dB and reverse isolation is typically greater than 135 dB.
Both the input and output are matched to 50 ohms to obtain better than 25 dB return
loss. All outputs are AC coupled and the grounds are DC isolated to reduce the effect of
ground loops.
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S D I
1849 Cherry St. Unit 2. Louisville, CO 80027 Phone: (303) 665-1852 Fax: (303) 604-6088
PECTRA YNAMICS NC
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