PPS-2

1 PPS GENERATOR

The PPS-2 is used to generate one pulse per second signals from a sine-wave input signal. The input can be a 1 MHz, 5 MHz or 10 MHz signal. The pulse-per-second (pps) output has a variable pulse width. The input frequency selection and pulse width selections are configured via jumper settings. The output pps can synchronize with an external event. The synchronization is good to +/- ½ of the input clock cycle. The outputs are designed to drive low impedance loads and long 50 or 75-ohm cables. The channel-to-channel delay differences are less than 1 ns. The instrument is available in a 3.5” X 8.4” X 12 “ enclosure. The unit will operate on 110/220 VAC.

  • Features
  • Applications
  • Specifications
  • Options
  • External sync
  • High stability
  • Low input VSWR
  • Low temperature coefficient: 3 ps/ºC
  • 50 ohm output: 2 Vp-p
  • Reference clock distribution
  • Time synchronization
  • 1 PPS generator

PARAMETER

CONDITIONS

TYP

UNITS

Rise time

10 - 90 %

3

ns

Fall time

10 - 90 %

3

ns

Differential delay

channel - channel

200

ps

Impedance

input

output

50

10

Ohms

Return loss

Input (S11)

-35

dB

High level

Low level

50 ohm load

50 ohm load

2.4

0.4

V

V

Input signal level

1 MHz, 5 MHz and 10 MHz

+7

dBm

External Sync. error

1 MHz

5 MHz

10 MHz

+/- 500

+/- 100

+/- 50

ns

Temperature-delay

coefficient

0 - 50 ºC

 

3

 

ps/ºC

 

Product NameEnclosureDescription
PPS-2RM-A* 1U Full-rack One generator, rear panel connectors
PPS-2RM-B* 1U Full-rackTwo generators, rear panel connectors
PPS-2RM-B1* 1U Full-rackTwo generators, front panel connectors

* 24 VDC battery backup option is available for this unit.
If you require this option, please add -DC24 after the product name.

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