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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-10 is a high-resolution phase and frequency

offset generator. The phase and frequency of the output

signals are adjustable with respect to a 10 MHz user

supplied reference. The output phase resolution of the

generator is 2π/2

radians or an output time step

resolution of 0.2 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 10.0E6. The pulse outputs can

be synchronized to an external reference pulse to within

100 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-10

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 Instrukcja Użytkownika Strona 46