TM11-6625-2948-14+P
TABLE 2-1. OPERATING CONTROLS, INDICATORS, AND CONNECTORS
Function
Item No.
Control, Indicator, or Connector
Selects type of modulation as follows:
MODULATOR SELECTOR
1
switch
RF OFF . . . Disables rf output, standby position
CW . . . . . . . . . . . . . . . . No moduation present
INT SQ WAVE . . . . . . . . Square wave modulation
internal to SG-1145/URM
. .. . . . . . Pulse modulation external
EXT
to SG-1145/URM
FM modulation internal to
INT FM . . . . . . . . . . .
SG-1145/URM
EXT FM . . . . . . . . . . . FM modulation external to
SG-1145/URM
2
Power Monitor Meter
Used to set power level of signal generator for attenuator
Fine frequency control. May be used to maximize
control
3
system power output and control pulse jitter
4
Power indicator lamp
Lights when ac power is applied to the signal generator
POWER switch
5
Controls application of ac power
FREQUENCY GHz dial
6
frequency
7
POWER SET control
Used to adjust oscillator power level for power monitor
meter indication of CAL
Attenuator dial
Displays readout in dBm and microvolt of attenuator
8
output at the RF OUTPUT connector when the power
monitor meter is set to CAL
9
Frequency GHz control
Adjusts instrument frequency
10
ATTENUATOR
control
11
RF OUTPUT connector
RF output available for use
12
DELAYED SYNC OUT
Provides positive video trigger pulse in time coincidence
connector
with leading edge of rf output pulse