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HIGH RESOLUTION PHASE AND FREQUENCY OFFSET GENERATOR

US Patent 6,278,330

FEATURES

 High isolation: > 80 dB

 High phase resolution: 5 fs

 Low harmonic distortion: -45 dBc

 Low phase noise (1 kHz) : -165 dBc/Hz

APPLICATIONS

 Atomic frequency standards

 Clock synchronization

 Time-scales

 Clock steering

 Frequency offset generation

DESCRIPTION

The HROG-5 is a high-resolution phase and frequency

offset generator. The phase and frequency of the output

signals are adjustable with respect to a 5 MHz user

supplied reference. The output phase resolution of the

generator is 2π/2

radians or an output time step

resolution of 0.3 fs. The output frequency resolution is

5 x 10

-19

. Both phase and frequency steps are phase

continuous. The instrument provides two sine-wave

outputs and two pulse outputs. The sine-wave outputs

are buffered to provide greater than 80 dB of port to

port and reverse isolation. The outputs are at a level of

+13 dBm. The pulse outputs are derived from the sine

wave outputs by dividing by a factor of 5.0E6. The pulse

outputs can be synchronized to an external reference

pulse to within 200 ns. All instrument functions are

displayed and controlled via the front panel LCD display

and keypad. Remote control of the instrument is possible

through RS-232 communications.

HROG-5

SpectraDynamics, Inc. ● 1849 Cherry Street Unit 2, Louisville CO, 80027 ● Phone (303) 665 1852 ● Fax (303) 604 6088

www.spectradynamics.com

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SDI FS100-RM Bedienungsanleitung Seite 44