SDI LNFR-100E Bedienungsanleitung PDF herunterladen (Seite 25)

HIGH PERFORMANCE DISTRIBUTION AMPLIFIER

HPDA-5i

DESCRIPTION

The HPDA-5i is an improved version of the High Performance Distribution and Isolation Amplifier with

performance exceeding that required to distribute state-of-the-art atomic frequency standards. This new model

offers the same exceptional low phase noise with a larger frequency bandwidth, greater isolation and improved

stability. The inputs and outputs have a low VSWR to minimize environmental effects on frequency distribution

through long transmission lines.

The Amplifier may be ordered in a Nuclear Instrumentation Bin Module or a Vector CMA Series enclosure

compatible with the National Institute of Technology enclosure. The power supply requirements for the NIM

module are +15 VDC, 0.25 Amperes. For the Vector CMA enclosure you may select the voltage operation of your

choice between +18VDC to +28 VDC, 0.3 A per module.

APPLICATIONS

 Atomic frequency standards

 Atomic time scales

 Reference frequency distribution

FEATURES

 1-50 MHz

 Unity gain

 Low VSWR

 High isolation: 140 dB

 High output: +18 dBm

 Low phase noise: -155 dBc/Hz @ 1 Hz

 -171 dBc/Hz @ 10 kHz

 Low distortion: -48 dBc

 Low temperature coefficient: 1.2 ps/ºC

SDI

PARAMETER CONDITIONS MIN TYP MAX UNITS

Input level 1 dB compression 17 18 - dBm

Bandwidth +/- 1 dB 1 - 50 0.5- 65 - MHz

Gain @ 5 MHz - 0.2 +/- 0.5 dB

Impedance input

output

Ohms

Return loss

input (S11) 5 MHz

output (S22) 5 MHz

-35

-30

Distortion +13 dBm

+17 dBm

-48

-42

-45

-40

dBc

Isolation output to output

output to input

130

140

145

Phase noise 1 Hz

10 Hz

1 kHz

10 kHz

-155

-165

-170

-171

-150

-160

-168

-170

dBc/Hz

Temperature-delay

coefficient

0 - 50 ºC - 1.2 1.5 ps/ºC

SPECIFICATIONS

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 63 64

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