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AMSR150 Neutron Coincidence Counter Specifications Shift Register Specifications Shift Register Frequency 4 MHz.Input Pulse Threshold Discriminator Adjustable and set to 0.85 V relative to a 3.0-V input trigger pulse. Input Signals Buffered by sixteen-deep FIFO and are retransmitted as 16 MHz synchronous. Totals Counter 36-bit synchronous. Reals Plus Accidentals and Accidentals Counters 48-bit synchronous. Signals All are TTL levels. Multiplicity Counter 256 channels, 32 bits per channel Reals-plus-Accidentals; 256 channels for Accidentals. Fast Accidentals Sampling Can reduce count times by a factor x2. Internal PC104 Microprocessor Specifications Intel 80386 PC104 format EISA Bus. Operating System DOS 6.22.Disk on Chip 73 MB. Standard Keyboard and VGA Display Connections.Front-Panel, Display, and Operating Controls Display High contrast, back-lit LCD display provides status, parameter settings, and shift register data. Contrast adjustment is via a rotary knob. Local/Remote Pushbutton switch toggles between the PSR/JSR emulation mode for use when locally connected to a computer running INCC/WINCC (Local mode) and the AMSR Monitor Mode (REMOTE mode) for network connection to a computer running Multi-Instrument Collect (MIC). In local mode, JSR emulation is also provided. When in "local" mode all user access is via the AMSR 150 front panel.Keypad The four-key, single-row KEYPAD has two modes, setup and operate, controlled by a front-panel toggle switch. In setup mode, the functions are UP ARROW, DOWN ARROW, ENTER, and END in order to navigate the easy-to-use menus. In operate mode, the functions are UP ARROW, DOWN ARROW, RESET, and START/STOP. Adjust Rotary knob is included for user input of parameters, such as count time, time of year, pre-delay, and high-voltage settings.PCMCIA Front-panel slot will accept any Type 1 or Type 2 PCMCIA card, intended for removable flash memory storage cards. High Voltage Locking toggle switch enables/disables high voltage.AC Power On/off rocker switch. Front-Panel LED Indicators Signal Shows signal input active.Processor Shows processor is active. AUX1 Shows auxiliary scaler 1 active.AUX2 Shows auxiliary scaler 2 active. +5V Shows +5 V is present.High Voltage Shows HV in on. Local Illuminates when the AMSR 150 is in local mode.Rear-Panel Connectors HV SHV male, 2000 V, 500 mA maximum. +12V Out Farnell 147-044.+5V Out BNC female. 12V In Allows the AMSR 150 to be powered from an external 12-V dc cource such as a battery or UPS. Farnell 147-046. During mains operation, in the event of power failure, the AMSR 150 will continue to operate from +12 V dc if connected.Parallel Port Female 25-pin D connector. Shift register master processor 8-bit bi-directional port. Keyboard Standard PS/2-compatible computer keyboard connector.Monitor PC monitor connector, VGA standard. SIG IN Signal input TTL.Mixer Reserved for use with the ANTECH 1081 De-Randomizing Buffer-Mixer-Counter. AUX 1 and AUX 2 Auxiliary scaler inputs, TTL.Ext Trig External Trigger input. RS232 Serial 9-pin D male Control/Data port.Ethernet Standard RJ45 connector. AC Line Input 110/260 V ac, 47/65 Hz, 200 VA maximum, supplied through international standard IEC connector. Fuse rating: 2.5 AT for 115 V ac operation, 1.25 AT for 230 V ac operation.Mechanical Dimensions 25.7 W x 15.8 H x 37.8 cm D (10.1 W x 6.2 H x 14.9 in. D).Weight 6.4 kg (14.1 lb). Ordering Information
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