1
Frequency Distribution Amplifier
FDA-301
User’s Manual
4031 600 30001
2019 – 1st Edition
© 2019, Pendulum Instruments
Страница 1: ...1 Frequency Distribution Amplifier FDA 301 User s Manual 4031 600 30001 2019 1st Edition 2019 Pendulum Instruments...
Страница 2: ...iderations 8 Product End of Life Handling 8 Equipment recycling 8 Unpacking 8 Check list 9 Installation 9 Type number and Serial number 9 Supply Voltage 10 Grounding 10 Power switch 10 Orientation and...
Страница 3: ...MHz 1 pps 6 sites 24 users 21 F Remote distribution of E1 clock data 9 sites 54 users 22 G Remote distribution of IRIG DCLS time code 6 sites 72 users 22 Input and output connectors 22 Fiber Optic Po...
Страница 4: ...test receiver unit 30 Pulse output coax test receiver unit 30 6 PREVENTIVE MAINTENANCE 31 Fan Replacement 31 7 TECHNICAL SPECIFICATIONS 32 Inputs 32 Outputs 32 Power Supply 33 Dimensions and Weight 33...
Страница 5: ...equency Distribution Amplifier Warranty The Warranty Statement is part of the folder Important Information that is included with the shipment Declaration of Conformity The complete text with formal st...
Страница 6: ...pps and IRIG DCLS Serial ToD Telecom signal E1 clock data Distribution via optical fiber or electrical coax No noise pick up no ground current loops and up to 2km range using fiber Three modular outpu...
Страница 7: ...and safe operation of the instrument it is essential that you follow generally accepted safety procedures in addition to the safety precautions specified in this manual The instrument is designed to b...
Страница 8: ...hat could be harmful to the environment or human health if improperly handled at the product s end of life To avoid release of such substances into the environment and to reduce the use of natural res...
Страница 9: ...MHz ToD E1 clock data X 7 10 MHz pulse ToD E1 clock data Y 1 AC power Y 2 AC DC power Z 0 module not installed Z 1 4x10 MHz coax Z 2 6x10 MHz fiber Z 3 4x pulse coax Z 4 6x pulse fiber Z 5 4x ToD elec...
Страница 10: ...od Grounding Grounding faults in the line voltage supply will make any instrument connected to it dangerous Before connecting any unit to the power line you must make sure that the protective ground f...
Страница 11: ...nch top use a fold down support is available for use underneath the counter Rackmount Adapter one instrument Option 22 90 This rackmount adapter can hold any standard Pendulum 19 unit like FDA 301 CNT...
Страница 12: ...emove the rubber feet in the plastic stand Loosen the screws underneath the rubber feet Remove the plastic stands Remove the four decorative plugs that cover the screw holes on the right and left side...
Страница 13: ...9x GSG 5 GSG 6 GPS 12x etc If you have ordered the Option 22 05 rack mount kit for two instruments it has to be also assembled after delivery of the instrument The rackmount kit consists of the follo...
Страница 14: ...screwdriver screw the rack ear Item 2 into place using the supplied 10mm screws Item 5 Pinch the hinge pins together to separate the right and left hinge halves Items 3 and 4 Attach hinge halves to t...
Страница 15: ...15...
Страница 16: ...t Panel Inputs Every signal type input has dual connectors one BNC coax connector on top for connecting an electrical signal and an ST fiber connector below for connecting an optical signal The ToD in...
Страница 17: ...power connector and the 24V DC input power connector if option 49 is installed The example below shows one mounted 10MHz coax output signal module and two unused slots If you want to use more modules...
Страница 18: ...50 ohm E1 clock and data The E1 clock and data channel is intended for distribution of telecom synchronization signals There are two parallel input channels for distributing the unframed synchronizat...
Страница 19: ...signals are valid and the coax and fiber LED s are green at the same time the fiber input has priority and is used for distribution The coax input signal path is internally blocked If the Master refer...
Страница 20: ...d splitting Optical to Electrical conversion and splitting ToD distribution to multiple users Some typical examples of possible distribution configurations are listed below A Local distribution of a 1...
Страница 21: ...ion of 10 MHz 6 sites 72 users Each user receives 1x 10 MHz 1 fiber sine output slot used in 1 transmitter FDA 301 3 coax sine output slots used in 6 receiver FDA 301 E Remote distribution of 10 MHz 1...
Страница 22: ...01 Input and output connectors Fiber Optic Ports The fiber optic connectors are of ST type The quality of the signal depends on the attenuation of the fiber optic cable and splices It is therefore ess...
Страница 23: ...electrical switchboards Ground current loops may add additional noise to the transmitted signal To prevent ground current loops the BNC ports can be isolated from the chassis ground meaning just one...
Страница 24: ...e of the insulation washers delivered with the FDA 301 The insulation washer must be mounted closest to the panel Reassemble the washers and the nut as in the picture Use gentle force while tightening...
Страница 25: ...ay for calibration The instrument contains no parts that are subject to ageing It is not necessary to remove the instrument cover to perform this procedure Recommended Test Equipment Oscilloscope with...
Страница 26: ...10MHz frequency and amplitude 2Vrms on generator Verify that sine signal diode goes green Pulse input coax test Connect output signal from pulse generator to pulse input of the FDA 301 unit Set 1Hz fr...
Страница 27: ...tput module to input of the Oscilloscope Use 50 termination Connect signal from the FDA 301 pulse coax output module to input of CNT 90 Set input impedance 50 and DC Set 1Hz frequency duty cycle 50 am...
Страница 28: ...sine signal 10 MHz frequency and amplitude 2Vrms on Signal generator Verify that sine signal diode goes green Pulse input coax test transmitter unit Connect output signal from Pulse generator to puls...
Страница 29: ...ulse signal on generator Verify that the optical power level of the output is between 15 and 18 dBm Sine input fiber test receiver unit Connect the output of the Signal generator to the Sine input of...
Страница 30: ...to the sine fiber input of the FDA 301 receiver using a short optical cable 2 5 meters Connect the signal from the pulse coax output module of the FDA 301 receiver to the input of the Oscilloscope Us...
Страница 31: ...ee from HW faults Fan Replacement The FDA 301 contains a fan with an expected life time of 5 years with continuous 24h day operation We recommend replacing the fan every 3 years to maintain continuous...
Страница 32: ...ncies contact factory Impedance 50 Ohm nominal Amplitude range 0 2 Vrms to 2 Vrms sine 5V to 5V pulse Coax Input E1 2 048 MHz Clock and 2 048 Mbps Data Connector BNC female Impedance 75 Ohm nominal Am...
Страница 33: ...nsumption 40 W Dimensions and Weight Width 19 inch 210mm Height 2U 90 mm Depth 395 mm Weight approx 3 kg approx 6 lb Environmental conditions Class MIL PRF 28800F Class 3 Operating temperature 0 to 50...
Страница 34: ...ress USA Pendulum Instruments 50 Woodside Plaza 642 Redwood City CA 94061 Visiting address as above Delivery address as above Phone 1 866 644 1230 toll free Rest of the world Pendulum Instruments ul L...
