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SpectraDynamics PD5-RM-B Operating Manual

Pulse distribution amplifier
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SDI
S
I
PECTRADYNAMICS,
NC.
Pulse Distribution Amplifier
PD5-RM-B
O
M
PERATING
ANUAL
S
I
PECTRADYNAMICS,
NC • 1849 Cherry St. Unit 2 • Louisville, CO 80027
Phone: (303) 665-1852 • Fax: (303) 604-6088
www.spectradynamics.com

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Summary of Contents for SpectraDynamics PD5-RM-B

  • Page 1 PECTRADYNAMICS, Pulse Distribution Amplifier PD5-RM-B PERATING ANUAL PECTRADYNAMICS, NC • 1849 Cherry St. Unit 2 • Louisville, CO 80027 Phone: (303) 665-1852 • Fax: (303) 604-6088 www.spectradynamics.com...
  • Page 2 The PD5-RM-B is a TTL pulse distribution amplifier that accepts one input and provides five outputs. The outputs are designed to drive low impedance loads and long 50 or 75-ohm cables. The propagation delay through the amplifier is typically 10 ns.

  • Page 3: Safety And Preparation For Use

    To operate the unit, locate the AC power entry connector on the rear panel and connect the power cable. When power is applied to the unit, a red led located on the front panel, labeled “AC Power”, should light up. Copyright © SpectraDynamics, Inc. 2005...

  • Page 4: The Front Panel

    DC Power LED The LED is on when DC power is applied to unit and the unit is operating properly. 1PPS LED The LED will flash on the falling edge of the 1 PPS output signal. Copyright © SpectraDynamics, Inc. 2005...

  • Page 5: The Back Panel

    The Back Panel AC POWER ENTRY MODULE The PD5-RM-B is configured to operate on 100 to 120 VAC. 1 PPS Input Pulse input. The input signal should conform to TTL levels. Outputs Distribution amplifier output. The outputs are designed to drive 50 ohm cables.

  • Page 6: Battery Backup Module

    Battery Backup Module Description The battery backup module allows the PD5-RM-B instrument to be powered by a 24 VDC power source in case of loss of the main AC power. The switch from AC to DC supply operation is effected by a schottky diode network and charge storage capacitors to ensure glitch free operation.
  • Page 7 Pin 2 GND (Internal supply voltage for monitoring purpose do not use !) Pin 3 -V (Internal supply voltage for monitoring purpose do not use !) Pin 4 24VDC GND return Pin 5 +24VDC power Pin 6 Chassis GND /Earth GND Copyright © SpectraDynamics, Inc. 2005...
  • Page 8 Although the device was designed to distribute precision one pulse per second signals, it may be used to distribute pulses up to a frequency of 100 MHz. The propagation delay is under 12 ns, and the channel-to-channel delay difference is less than 1 ns. Copyright © SpectraDynamics, Inc. 2005...

  • Page 9: Specifications

    Input signal into 50 ohm load Input Low Level Input signal into 50 ohm load -0.7 Output High Level 50 ohm load Output Low Level 50 ohm load Temperature-delay 0 - 50 ºC ps/ºC Coefficient 25 - 35 ºC Copyright © SpectraDynamics, Inc. 2005...

  • Page 10: Warranty

    This warranty shall be in effect for one (1) year from the date an PD5-RM-B is sold by SDI. SDI makes no other warranty, express or implied, and makes no warranty of the fitness for any particular purpose. SDI’s obligation under this warranty shall not include any transportation charges or costs of installation or any liability for direct, indirect, or consequential damages or delay.

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