Figure
2-4.
Rear Panel
Controls, Connectors, and Switches
Table
2-2.
Rear Panel Controls, Connectors, and Switches
l)
AC INPUT
REF INT/EXT
10 MHZ OUT
7)
REF
IN
©
MOD INPUT
RF
OUTPUT
IEEE
CONNECTOR
IEEE ADDRESS
SWITCH
Permits operation
from
100#
12D# 220.
or
240V ac. The
number visible
through
the
window on the
selector card
indicates the nominal Line voltage to which
the
Generator
must be connected. The Line voltage is selected by
orienting the selector card appropriately. A 1 1/2“ampere
fuse is
required for 100/120V operation; a 3/4-ampere
fuse is required for 220/240V operation.
Permits selection of the Generator frequency
reference.
When set to INT, the Generator operates on the internal
reference#
which is
either
the standard oscillator or the
high-stability oscillator if either of
the
High-Stability
References is installed. In either case#
the
internal
10-MH2 reference signal is available at the 10 MHZ
OUT
connector. When set to EXT# the Generator reference is a
1.2. 2.S. 5- or 10-MHz signal applied to the external
REF
IN connector.
10-MHz sine wave#
>0
dBm
level
when terminated in 50 ohms.
Accepts
a 1, 2#
2.5#
5-
or
lO-MHz, 0.3V to 4V
p-p
sine
wave or square
wave signal
into nominally 50 ohms.
Connector CBNC) is present only
with the REAR RF OUT and
MOD
IN option
to accept a 1V peak external
modulation
signal.
Connector
(type
N) is present only with the REAR RF OUT
and MOD IN option to provide
the
Generator output signal.
Present only with the
IEEE-488 Interface option to allow
remote
operation of the Generator via
the
IEEE-488 bus.
Present only with the
IEEE-458
Interface option and
allows the selection of
the Generator bus address.
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