DISTRIBUTION AMPLIFIER SYSTEMS

Transcription

1 99984 DISTRIBUTION AMPLIFIER SYSTEMS SYSTEM SALIENT FEATURES 128 differential inputs 16 differential input cables with 26-pin HD connectors 896 buffered, SE outputs with ground sense (seven groups of 128 channels, eight 50-pin D connectors per group) Example of seven output groups: Ship Silencing DAS Ship Silencing RECORD Sea Mammal Research Plate Tectonic Research Neutrino Research SPARE SPARE Signal amplitude ±10 Vpk Small signal bandwidth > 1 Mhz Modular construction using plug-in cards for ease of repair SYSTEM COMPONENTS Mainframe The System mainframe houses a plug-in PS1 AC power supply, for a 128-channel system, two plug-in I-(8)26HDP input cards, and fourteen O-(4)50DS plug-in output cards. A backplane provides power and signal interconnection between input and output cards. The mainframe is 17.5 inches high, inches deep and is designed to fit in a standard 19-inch RETMA rack. Power Supply The standard PS1 plug-in power supply operates at 120 or 240 VAC and frequency may range from 47 to 66 Hz I-(6)26HDP (for a 96-channel system) This input connector card provides 48 differential inputs distributed to six 26-pin high density D connectors I-(8)26HDP (for a 128-channel system) This input connector card provides 64 differential inputs distributed to eight 26-pin high density D connectors O-(3)50DS This output connector card provides 48 single-ended outputs with ground sense via three 50-pin D connectors O-(4)50DS This output connector card provides 64 single-ended outputs with ground sense via four 50-pin D connectors Distribution Amplifier System Front Panel Distribution Amplifier System Rear Panel

2 99984 INPUT CHARACTERISTICS Max Linear Input: Max Input w/o Damage : Input Z: CMRR: ±10 Vpk ±40 Vpk 50 K differential 50 K common mode 90 db typical, 80 db minimum TRANSFER CHARACTERISTICS Noise: Linearity: Freq. Response: Channel Crosstalk: Gain: 100 Vrms in 100 khz BW ±0.02% at 7 1 khz ±0.1 db, DC to 100 khz 3.01dB@1MHz 80 db, max at 45 khz 1 ±0.1% typical 1 ±1% maximum PHYSICAL CHARACTERISTICS Dimensions Mainframe: 19 x 17.5 x inches (WHD) Weight Mainframe (PS, BP, FP): 50 lb. Switch Card: 3 lb. I/O Conn Card: 3 lb. ENVIRONMENTAL REQUIREMENTS Specified Temp Range: 0 o to 50 o C Operating Temperature: 20 o to 70 o C Storage Temperature: 55 o to 85 o C Relative Humidity: <90% non-condensing OUTPUT CHARACTERISTICS Type: Max Output: C-Load: Single-ended with output sense ±10 Vpk at 20 ma output current 500 pf for Stable Operation

3 256-Channel Distribution Amplifier System The 256-Channel Distribution Amplifier Subsystem consists of two 128-Channel Distribution Amplifier Systems, two input breakout panels with cabling to the System and four output breakout panels and cabling. The input and output breakout panels are mountable on the rear of the 19 inch equipment rack. Input breakout panels have one BNC connector for each input channel. Output breakout panels have either BNC, High Density, or both output connectors. Cabling is provided for connecting between the System and the breakout panels. Automated Acceptance Tester Rack #1 Rack #2 Lacer Bar Lacer Bar Inputs Inputs Outputs 0 63 BNC/HD Outputs High Density Outputs BNC/HD Outputs High Density 256-Channel Distribution Amplifier Subsystem Rear View

4 Distribution Amplifier Subsystem Cables The system includes three sets of high-density output cables broken out to BNC connectors. Cable lengths are a minimum of 20 feet. Input Cables One Group of Output Cables to Breakout Panel Input Breakout Panel Output Breakout Panels Input Cables from Distribution Amplifier to Analysis Stations (Through Floor?) Distribution Amplifier Subsystem Side View 36-Inch Deep Cabinet Shown

5 Input Breakout Panel The Input Breakout Panel (PF pn B11174G1) consists of 128 BNC input connectors pre-wired to sixteen cables for connection to the input cards. Input breakout panels are mountable on the rear of the equipment rack. One BNC is provided for each input channel. Breakout panels are supplied with cables to connect between the System and the breakout panels. 128-Channel BNC Input Panel

6 Output Breakout Panel Two types of output breakout panels are available for the Systems, the High Density Output Breakout Panel and the BNC/High Density Output Breakout Panel. Output breakout panels mount to the rear of the equipment rack. Connections to the panels are made using standard tools. 256-Channels of Output Breakout Panels Rear View (shown with BNC/High Density Breakout Panel PF pn B11176G1) 256-Channels of Output Breakout Panels Rear View Inside of Cabinet (shown with BNC/High Density Breakout Panel PF pn B11176G1)

7 High Density Output Breakout Panel The High Density Output Breakout Panel (PF pn B11173G1) provide four 50-pin connectors from the System and two high density 80-pin connector to the analog-to-digital converter (ADC). BNC/High Density Output Breakout Panel. The Output Breakout Panel (PF pn B11176G1) provides 64 analog outputs to two T d 80-pin high-density multipin connectors. In addition, each of 64 output signals is available at an independent BNC connector on the Panel. The multipin and BNC outputs are T d which allows the technician to monitor any of 64 signals on the breakout panel s multipin output connectors, by connecting to the corresponding BNC connector. Alternatively, each BNC connector can be used as an input to the multipin connector which allows the injection of test signals for specific channels at the multipin output connector (the corresponding 50-pin D input connector must be removed). 64-Channel High Density Output Breakout Panel, Rear View (PF pn B11173G1) 64-Channel BNC/High Density Output Breakout Panel, Front View (PF pn B11176G1) Input to the panel from the System Output to the ADC Input to the panel from the System 64-Channel BNC/High Density Output Breakout Panel, Rear View (PF pn B11176G1)

8 ACCESSORIES Automated Acceptance Tester The PF Automated Acceptance Tester with software control provides Factory Acceptance Tests for the System.The Acceptance Tester consists of the following components: 1 ea. Agilent 33220A Synthesizer 2 ea. Agilent L4421A Multiplexers 1 ea. Agilent 34410A Digital Multimeter 1 Set of Test Cables (provided with the system) Test Software, Graphical User Interface (provided with the system) The Graphical User Interface running on a personal computer or workstation on a local network provides software control of the test instruments via an Ethernet interface. The test routine provides prompts to guide the technician to move test cables on the System input connectors and output connectors, then automatically inserts the appropriate test signal at the inputs and takes measurements at the outputs. The Acceptance Tester provides fault isolation to the individual replaceable card, and identifies tests that failed. Results of the Acceptance tests are stored as data files and can be saved, displayed, and printed. Factory Acceptance Test Protocol Tests that make up the Factory Acceptance Test protocol include: Frequency Response and Gain Test: 10 Vpk input (+17dBVrms) at 1 khz and 45 khz Gain = 0 db ±0.1 db Common Mode Rejection: 10 Vpk input (+17dBVrms) at 1 khz <0.707 mv (-80 db re +17 dbv) output BroadBandNoise: <700 V Broad Band (100 khz) Dynamic Range: (Max Input/Noise Floor) at 1 khz = 7V/700 V = 10,000 (i.e. 80 db) Cross Talk: One channel tested at a time with its input grounded. All other channels in the connector (one 26-pin D at a time) 17 dbvrms input. Output of the channel under test = <700 V ( 80 db re +17 dbv) Total Harmonic Distortion: <60dBre7.07Vrmsat1kHz As measured on the HP 339A Total Harmonic Distortion Measurement Set Cables CB-DD50P/DD50P-L: DD50P to DD50P 16-channel cable, L = length in feet P8412 Rev C