
HIGH PERFORMANCE DISTRIBUTION AMPLIFIER
HPDA-100NM Module
SpectraDynamics, Inc. ● 1849 Cherry Street Unit 2, Louisville CO, 80027 ● Phone (303) 665 1852 ● Fax (303) 604 6088
www.spectradynamics.com
DESCRIPTION
The HPDA-100NM is a high performance distribution and isolation amplifier module with one input and five
outputs in a Nuclear Instrumentation Bin Module enclosure. The front panel contains a POWER LED, a
STATUS LED, one SMA input connector, and five SMA output connectors. All unity gain outputs have 100 dB
of channel-to-channel isolation and 110 dB of reverse isolation. The outputs are AC coupled and the grounds
are DC isolated to reduce the effects of ground loops. The input and outputs have a low VSWR to minimize
environmental effects on frequency distribution through long transmission lines. The power supply
requirements are +18 VDC, 0.25 A.
FEATURES
• 80-120 MHz
• Unity gain
• Return loss: -25 dB
• High isolation: 100 dB
• Low phase noise: -158 dBc/Hz @ 10 Hz
-172 dBc/Hz @ 10 kHz
• Low distortion: -45 dBc
• High output: +15 dBm
APPLICATIONS
• Atomic frequency standards
• Instrumentation
• Reference frequency distribution
• Time scales
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