Pendulum CNT-90 Series User Manual

Using the Controls
Rear Panel
Additional output frequencies
(CNT-91R/71B)
Type Plate
Indicates instrument
type and serial number.
Connectors
These connectors provide additional output
frequencies which are, from left to right, 100kHz,
1MHz, 5MHz and 10MHz.
Protective Ground
Terminal
This is where the protective
ground wire is connected
inside the instrument. Never
tamper with this screw!
Pulse Output
Fan
User definable to serve
A temp. sensor controls the speed
as output for built-in
of the fan. Normal bench-top use
pulse generator, gate
indicator or alarm.
means low speed, whereas
rack-mounting and/or options may
Line Power Inlet
AC 90-265 VRMS, 45-440
result in higher speed.
Hz, no range switching
needed.
Reference Output
External Arming Input
USB Connector
10 MHz derived from the
internal or, if present, the
See page 5-7.
Universal Serial Bus (USB)
for data communication with
external reference.
PC.
External Reference
GPIB Connector
Input
Address set via User Options
Can be automatically
Menu.
selected if a signal is present
and approved as timebase
source, see Chapter 9.
USER MANUAL ● CNT 9x Series ● Rev.22 February 2020
2-6

Pendulum CNT-90 Series Specifications

General

Brand	Pendulum
Model	CNT-90 Series
Category	Measuring Instruments
Language	English