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4-4 CALIBRATION
FOLLOWING
SUBASSEMBLY
REPLACEMENT
Table 4-2 (page 4-6) lists the calibration that should be performed fol
-
lowing the replacement of 682XXB/683XXB subassemblies or RF com
-
ponents.
4-5 CONNECTOR AND KEY
LABEL NOTATION
The calibration procedures include many references to equipment in
-
terconnections and control settings. For all 682XXB/683XXB refer
-
ences, specific labels are used to denote the appropriate menu key,
data entry key, data entry control, or connector (such as CW/SWEEP
SELECT or RF OUTPUT). Most references to supporting test equip
-
ment use general labels for commonly used controls and connections
(such as Span or RF Input). In some cases, a specific label is used that
is a particular feature of the test equipment listed in Table 4-1.
4-4 682XXB/683XXB MM
CALIBRATION FOLLOWING
CALIBRATION SUBASSEMBLY REPLACEMENT
INSTRUMENT
CRITICAL
SPECIFICATION
RECOMMENDED
MANUFACTURER/MODEL
PROCEDURE
NUMBER
Frequency Counter Frequency Range: 1to20GHz
Input Impedance: 50
Resolution: 1Hz
EIP Microwave, Inc. Model 578B 4-7
Spectrum Analyzer Frequency Range: 1to20GHz
Resolution Bandwidth: 10 Hz
Tektronix, Model 2794 4-13, 4-14
Power Meter,
with
Power Sensor
Power Range:–30 to +20 dBm
(1 W to 100mW)
Hewlett-Packard Model 437B, with
Power Sensor:
HP 8487A (0.01 to 50 GHz)
4-12
Power Meter
with
Power Sensor
Power Range:–30 to +20 dBm
(1 W to 100mW)
Anritsu ML4803A, with
Power Sensor:
MP716A4 (50 to 75 GHz
4-12
Frequency Standard Frequency: 10 MHz
Accuracy: 1 10
–10
parts/day
Spectracom Corp., Model 8161 4-7
Function Generator Output Voltage: 2 volts peak-to-peak
Functions: 0.1 Hz to 100 kHz sine and
square waveforms
Hewlett-Packard, Model 8116A 4-12, 4-13,
4-14
Function Generator Output Voltage: 2 volts peak-to-peak
Functions: 0.1 Hz to 100 kHz sine and
square waveforms
Hewlett-Packard, Model 33120A 4-12. 4-13.
4-14
Digital Multimeter Resolution: 4-1/2 digits (to 20V)
DC Accuracy: 0.002% +2 counts
DC Input Impedance: 10 M
AC Accuracy: 0.07% +100 counts
(to 20 kHz)
AC Input Impedance: 1M
John Fluke, Inc.,Model 8840A, with
Option 8840A-09K (True RMS AC)
4-12, 4-13,
4-14
Table 4-1. Recommended Test Equipment for Calibration Procedures (1 of 2)