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MANUAL P/N 900000035 REV C

User Guide

Frequency Distribution Amplifier

Model FDU-240

P/N 022000001

Revision C

March 2006

Brandywine Communications

1153 Warner Avenue

Tustin, CA 92780

(714) 755 1050
(714) 755 0175

http://www.brandywinecomm.com/

Содержание FDU-240

Страница 1: ...35 REV C User Guide Frequency Distribution Amplifier Model FDU 240 P N 022000001 Revision C March 2006 Brandywine Communications 1153 Warner Avenue Tustin CA 92780 714 755 1050 714 755 0175 http www b...

Страница 2: ...ory REVISION DATE COMMENTS NC 07 14 2004 Original release of FDU 240 user guide A 09 08 2004 Revision of entire FDU 240 user guide B 02 21 2006 Customer s comments incorporated into FDU 240 user guide...

Страница 3: ...uilateral triangle is intended to alert the user to the presence of un insulated dangerous voltage within the product s enclosure The dangerous voltage may be of sufficient magnitude to constitute as...

Страница 4: ...ches and Indicators 7 1 3 1 Status LED Indicators 7 1 3 2 Environmental 7 1 3 3 Power 7 1 3 4 Physical 7 2 Option Configuration Sheet 8 3 Unpacking and Installation 9 3 1 Unpacking 9 3 2 Installation...

Страница 5: ...ut Impedance 50 ohm Number of Inputs 2 with auto selection and manual override from the front panel toggle switch Connector Type BNC 1 1 2 Fault Discrete Optional Number of Inputs 2 Level TTL Link sel...

Страница 6: ...z o 5 MHz Output Level 13 2 dBm standard and specified at time of order Stability o With External Reference Only Same as reference o With Free Running Internal Oscillator Stability vs Temperature 3 x...

Страница 7: ...Green Reference Input B Available Green Reference Input B Online Green Automatic Reference Selection Selected Green Fault Red 1 3 2 Environmental Temperature o Operating 30 to 60 C o Storage 40 to 85...

Страница 8: ...UND PIN 8 GROUND PIN 9 NO CONN ACTIVE H__Lb ACTIVE H__Lb b REFERENCE A INPUT 1 0 Vrms b J3 FREQUENCY 10 MHz REFERENCE A SOURCE EXTERNAL _____b_____ FREE RUNNING OCXO ____________ OCXO PHASE LOCKED TO...

Страница 9: ...D FROM THE FDU 240 BEFORE ADJUSTING THE LINE VOLTAGE If the AC line setting is incorrect detach the power cord from the power entry module Use a small screwdriver to lift up the fuse cover on the powe...

Страница 10: ...ions GPS8 or PTS system that incorporates a discrete alarm signal This alarm signal is used to indicate a fault e g rubidium out of lock on the reference signal although the 10 MHz input signals may b...

Страница 11: ...tial warm up of the frequency reference The FDU 240 is now ready for operation 4 2 Selecting the Input Reference The external reference frequency used is selected by the Reference Select Switch 3 Movi...

Страница 12: ...ource 1 Connect the reference input 2 Select an internal source 3 Return to factory for repair Fault light illuminated 1 There is an internal OCXO failure 2 There is a failed output driver 3 There is...

Страница 13: ...ze 4 Connect one of the 10 MHz reference outputs to a frequency counter with at least an 11 digit resolution CAUTION The frequency counter MUST be configured to use an external reference such as a Ces...

Страница 14: ...MANUAL P N 900000035 REV C 14 7 Drawings FIGURE DESCRIPTION 1 FDU 240 Front Panel 2 FDU 240 Rear Panel 3 FDU 240 Mechanical Outline 4 FDU 240 Link Location...

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Страница 19: ...PRODUCT QUALITY How would you rate our product High quality Generally good Quality varies Poor quality How would you rate our user guide High quality Generally good Quality varies Poor quality What pr...