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we build precision

Brandywine Communications Inc. offers superior products to the time and frequency marketplace. Our mission is to provide the finest equipment coupled with excellent before and after sale service. Our staff of dedicated professionals, based in Tustin, CA, represents over 100 years of collective experience in design, manufacturing and sales of precision time and frequency products. Many of our products are made here in the United States, which allows for quick turnarounds and custom design.

There are a number of reasons to use Brandywine Products

The Brandywine Communications Model PDU-240 is a high output count and high performance digital pulse distribution amplifier.

The PDU-240 provides 24 output channels of a single reference pulse, typically 1 PPS, IRIG DCLS or Have Quick time code.

The PDU-240 may be configured either as a dual input distribution amplifier with automatic or manual selection, or two independent 12 channel distribution amplifiers fed from two separate sources.

fdu_240

Features:

  • Dual inputs with manual or automatic switchover
  • 24 individually buffered outputs
  • Pulse rates from 1ppm through 10MPPS available 

In the 24 channel, dual input configuration, the PDU- 240 detects failure of either input reference and provides manual or automatic switchover between the two input pulse reference sources.

The PDU-240 has 24 individually buffered outputs, featuring with output voltages from 3V through 10V available.

Output impedance is user selectable for ease of integration.

Power supply options include 115/230 VAC, 48, 24, or 12 VDC.

The PDU-240 is configured as a 1U 19” rack mount unit. Optional rack mount slides are available.


Product Specifications
Product Data Sheet
User Manuals

Pulse Outputs 
No of Outputs 24 buffered outputs from the selected input 
Pulse 1ppm through 10MPPS
Nominal Output Level
 

3.3V
5V
10V

Rise Time
(10-90%) 
0-10V 20ns
0-5V 15ns
0-3.3V 10ns
Load > 50 Ω
Connector BNC
  
Alarm Output Relay contact Form C
Connector DB9 shared with input
Function Loss of Input
Pulse Inputs
No of Inputs Two
Pulse 1ppm through 10MPPS
Level 2.5 to 10 V
Impedance 50 /1000 ohm link selectable
Connector BNC
  
Alarm Input Relay contact closure or TTL level 
Connector DB9 shared with output
Function Status of external source forces reference switch
Controls & Indicators 
Control Reference Selection Switch
A, B, or Automatic
Indicators 

Power
Reference A selected
Reference A available
Reference B selected
Reference B available
Power
Fault

Environmental
Temperature Instrument: -10 to +50 °C
Humidity 95% non-condensing
Power 115/230 VAC 
Optional 12 VDC, 24 VDC, or 48 VDC
Dimensions 19” rack mount, 1.75” (1U) height, 8” 
Weight 11 lbs. typical

alt PDU-240 Data Sheet

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About Brandywine Communications

Brandywine Communications Inc. offers superior products to the time and frequency marketplace. Our mission is to provide the finest equipment coupled with excellent before and after sale service.

Find Out More...

Contact Us

Brandywine Communications
Ultra-Precision Time & Frequency

1153 Warner Ave
Tustin, CA 92780
Mail: info@brandywinecomm.com
Phone: 714.755.1050


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