TB 9-6625-2249-24
IDENTIFICATION AND DESCRIPTION
This bulletin provides instructions for the
calibration of Microwave Amplifier, Hewlett-Packard, Model 8349B. The manufacturer's
manual was used as the prime date 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 4
hours, using the microwave technique.
2. Forms, Records, and Reports
a. Forms, records, and reports required for calibration personnel at all levels are
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows the designated adjustment.
Report only those adjustments made and designated with (R).
3. Calibration Description. TI parameters and performance specifications which
pertain to this calibration are listed in table 1.
Table 1. Calibration Description
Performance specifications1
Test instrument parameters
Input and output 25o C 5o C)
Input: +5 dBm
Frequency range
Minimum output power
(GHz)
Leveled
Unleveled
2.0 to 18.6
19 dBm
20 dBm
18.6 to 20.0
16 dBm
17 dBm
Input: -5 dBm
Frequency range
Minimum gain
(GHz)
2.0 to 18.6
15 dB
18.6 to 20.0
12 dB
Power flatness
(leveled): 1.25 dB
LED display accuracy (25 C 5 C)
o
o
Range: 0 to +20 dBm
Accuracy: 1.5 dB
Spectral purity (25o C 5o C)
1Calibration
limited to 18 GHz due to USATA Engineering Division evaluation.
2dB
below the fundamental at maximum specified output power.
