IDENTIFICATION AND DESCRIPTION -631090002

CALIBRATION PROCEDURE FOR SIGNAL GENERATOR SG-1207/U (HEWLETT-PACKARD, MODEL 8642M)

Table 1. Calibration Description

TB-9-6625-2182-35 Signal Generator SG-1207/U (Hewlett-Packard Model 8642M) Manual
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TB 9-6625-2182-35

SECTION I

IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification.

This bulletin provides instructions for the

calibration of Signal Generator, SG-1207/U (Hewlett-Packard, Model 8642M). TM 11-6625-

3165-14 was used as the prime data source in compiling these instructions. The equipment

being calibrated will be referred to as the TI (test instrument) throughout this bulletin.

a. Model Variations. None.

b. Time and Technique. The time required for this calibration is approximately 6

hours, using the dc and low frequency and microwave technique.

2. Forms, Records, and Reports. Forms, records, and reports required for calibration

personnel at all levels are prescribed by TB 750-25.

3. Calibration Description. TI parameters and performance specifications which

pertain to this calibration are listed in table 1.

Table 1. Calibration Description

Test instrument parameters

Performance specifications

Frequency

Range: 100 kHz to 2000 MHz

Accuracy: +10 PPM

Time stability: +0.05 PPM/hour1

Line stability: +0.05 PPM, 10% line change2

RF output

Range: >15 to -140 dBm3

Flatness:

+1.5 dB (100 kHz to 500 MHz)

+2 dB (500 to 1000 MHz)

+2.5 dB (1 to 2 GHz)

Attenuator accuracy: +2.0 dB

Spectral purity

Harmonics range

Accuracy

100 kHz to 1057.5 MHz

<+13 dBm, <-25 dBc

1057.5 to 2000 MHz

<+7 dBm, <-25 dBc

Sub harmonic range

Accuracy

100 kHz to 1057.5 MHz

<-100 dBc

1057.5 to 2000 MHz

<-45 dBc

Spurious signal range

Accuracy

100 kHz to 132.1875 MHz

<-70 dBc

132.1875 to 1057.5 MHz

<-90 dBc

See footnote at end of table.

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