Related Manuals for Pendulum 6688
Summary of Contents for Pendulum 6688
- Page 1 6688 OCXO Frequency Reference 6689 Rubidium Frequency Reference User's Manual Distributed by: Sie haben Fragen oder wünschen eine Beratung? Angebotsanfrage unter 07121 / 51 50 50 oder über info@datatec.de...
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Page 2: Table Of Contents
Operators manual 1. Safety Instructions ..3 © 2017, Pendulum Instruments / Altaria Services 2. Installation ... . . 4 4031 666 89001, rev. 5, 2017 3. -
Page 3: Safety Instructions
This instrument has been designed and tested accord- • Inform Pendulum Instruments AB or your local ing to safety Class 1 requirements of IEC publication representative for repair actions. 1010-1 and CSA 22.2 No.231, and has been supplied in a safe condition. -
Page 4: Installation
The type number plate on the rear side identifies the version. The basic model with 5x 10 MHz and 1x 5 MHz out- puts is labelled “6688/011" or “6689/011", and has 6 BNC-outputs on the rear panel. The extended model with 10x 10MHz and 1x 5MHz outputs is labelled “6688/021"... -
Page 5: Rack Mount Adapter
WARNING: Capacitors inside the instrument can hold their charge even if the instrument has been separated from all voltage sources. • Fasten the 6688 or 6689 in the rack via screws in the four rack mounting holes Assembling the rack mount kit •... -
Page 6: Operation
Front panel of 6689. The ON indicator shows when power is connected. The UNLOCK indicator warns when the output frequency is not yet locked to the rubidium element. The adjustment potentiometer is located under the calibration seal The 6688 front panel has the same layout, however without the UNLOCK indicator PRIMARY FUSE 2.0AT ISM B-1 90V-264V RUBIDIUM ATOMIC REFERENCE CLOCK OUTPUTS 0.6Vrms IN 50W... -
Page 7: Preventive Maintenance
× » 2 4 10 × a Cesium reference or a GPS-receiver, and the 6688 to or approx. 0.2 Hz on the 10 MHz output. a calibrated Rubidium reference (or to a Cesium refer- ence or a GPS-receiver). The frequency of the reference oscillator is influenced... -
Page 8: Acceptance Test
6. Acceptance Test 6688 6689 To check the performance of the 6688, a high stability To fully check the performance of the 6689, a very- frequency reference source is needed. For example a high stability reference signal is needed. Examples of... -
Page 9: Adjustments
Calibration setup of PM 6681 STAT, N=100 and mean) to verify the adjustment. • Connect one of the 10 MHz outputs on the 6688 or • Check that the value is stable over time, (more 6689 to input A of the PM 6681 timer/counter. -
Page 10: Specifications
6688 & 6689 Frequency Reference Users manual 8. Specifications Dimensions and weight Reference outputs WxHxD: 315 x 86 x 395 mm 10 MHz: 5 outputs (668X/011 version) Weight: 4.8 kg (net), 7.8 kg (shipping) 10 outputs (668X/021 version) Warranty 5 MHz:... -
Page 11: Guarantee Statement
The Warranty Statement is part of the folder Important Information that is included with For additional product information, customer sup- the shipment. port and service, please contact Pendulum at the following address: Altaria Services Sp.z.o.o. ul. Lotnicza 37 80-297 Banino... - Page 12 6688 & 6689 Frequency Reference Users manual 12. Declaration of Conformity The complete text with formal statements concerning product identification, manufacturer and standards used for type testing is available on request. Distributed by: Sie haben Fragen oder wünschen eine Beratung? Angebotsanfrage unter 07121 / 51 50 50 oder über info@datatec.de...