PPS-1G

1GHz PPS Generator

The PPS-1G is a 1 pulse-per-second (1 PPS) generator. This instrument requires a sine-wave input signal of 1 MHz, 5 MHz, 10 MHz,100 MHz or 1 GHz to generate the 1 PPS. The PPS-1G generates 1 pulse-per-second outputs with variable pulse width. The input frequency and pulse width may be configured by internal DIP switch settings. The 1 PPS output can be synchronized to an external event. 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.

  • Features
  • Applications
  • Specifications
  • Options
  • 1GHz External reference
  • External sync
  • High stability
  • Low input VSWR
  • Low temperature coefficient: 3 ps/C
  • 50 ohm output: 2.4 Vp-p
  • Reference clock distribution
  • Time synchronization
  • 1 PPS generator

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Rise time

10 - 90 %

-

3

4

ns

Fall time

10 - 90 %

-

3

4

ns

Propagation delay

50 ohm load

-

10

12

ns

Differential delay

Channel - Channel

-

200

500

ps

Impedance

input

-

50

-

Ohms

output

-

10

-

Input High Level

Input signal into 50 ohm load

2

-

5

V

Input Low Level

Input signal into 50 ohm load

-0.7

-

0.8

Output High Level

50 ohm load

2

2.4

-

V

Output Low Level

50 ohm load

-

0.4

0.5

Input Signal Level

1, 5, 10, 100 MHz and 1 GHz

5

7

15

dBm

External Sync. Error

1, 5, 10 MHz

-

0.5

-

Clk period

100 MHz and 1 GHz

-

+/- 20

-

ns

Temperature-delay coeff.

0 - 50 ºC

-

3

5

ps/ºC

For PPS generators at other frequencies see the PPS-2RM series.

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