SDI LNFR-100E Bedienungsanleitung PDF herunterladen (Seite 50)

PULSE GENERATOR, PPS-2

FEATURES

 External sync

 High stability

 Low input VSWR

 Low temperature coefficient: 3 ps/ºC

 50 ohm output: 2 Vp-p

APPLICATIONS

 Reference clock distribution

 Time synchronization

 1 PPS generation

DESCRIPTION

The PPS-2 pulse generator 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 half or full rack mount enclosure. The

unit will operate on 110/220 VAC and/or optional +24VDC.

SPECIFICATIONS

SpectraDynamics, Inc. ● 1849 Cherry Street Unit 2, Louisville CO, 80027 ● Phone (303) 665 1852 ● Fax (303) 604 6088

www.spectradynamics.com

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

output

Ohms

Input High Level

Input Low Level

Input signal into 50 ohm load

-0.7

0.8

Output High Level

Output Low Level

50 ohm load

2.4

0.4

0.5

Input Signal Level 1 MHz, 5 MHz and 10 MHz -3 +7 +13 dBm

External Sync. Error 1 MHz

5 MHz

10 MHz

+/- 500

+/- 100

+/- 50

Temp-delay Coefficient 0 - 50 ºC - 3 5 ps/ºC

OPTIONS

 PPS-2

 PPS-2RM-A

 PPS-2RM-B

 PPS-2RM-B1

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 63 64

Kommentare zu diesen Handbüchern

Keine Kommentare

SDI LNFR-100E Bedienungsanleitung Seite 50

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Messen, Testen & Steuern SDI LNFR-100E