SDI FS100-RM Manuel d'utilisateur télécharger pdf (Page 35)

DISTRIBUTED 10 MHz FREQUENCY REFERENCE, FEL-10

FEATURES

 High isolation: > 100 dB

 Low harmonic distortion: -45 dBc

 Low phase noise

APPLICATIONS

 Reference frequency generation

 Earth station references

 Phase noise measurements

 Frequency distribution

DESCRIPTION

The FEL-10 is a low noise distributed 10 MHz frequency

reference. The device can be used to provide a stable and

spectrally pure 10 MHz reference. The FEL-10 can be

controlled via a +/- 5 VDC tuning signal or phase locked

to an external 10 MHz 1VRMS signal. The unit contains a

low noise OCXO and a high performance distribution

amplifier module. Five outputs are available with channel to

channel and reverse isolation exceeding 100 dB. The FEL-

10 is offered in a stand-alone rack-mount enclosure with

SMA connectors. The optional PLL module allows locking to

an external 10 MHz source. The PLL module has loss of

reference and loss of lock indicators.

PARAMETER CONDITIONS MIN TYP MAX UNITS

Output level +10 +13 - dBm

Isolation output to output

output to input

- 100

100

- dB

Mech. tuning range - +/-1 E-6 - -

Electrical tuning range +/- 5 VDC - +/- 2 E-7 - -

Aging after 30 days of operation - 1 E-9 - Per day

Tuning port voltage - +/- 5 - VDC

Temperature stability @ 10 MHz, 0 – 50 C - +/-1.5 E-8 - -

Phase noise L(f) 10 Hz

100 Hz

1 kHz

>10 kHz

-125

-155

-164

-165

-122

-152

-161

-162

dBc/Hz

Harmonics - -45 -40 dBc

SPECIFICATIONS

SDI

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SDI FS100-RM Manuel d'utilisateur Page 35

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