TB 9-6625-2247-40
bear evidence of current calibration. The equipment must meet or exceed the minimum use
between the standard and TI. Where the four-to-one ratio cannot be met, the actual
accuracy of the equipment selected is shown in parentheses.
5. Accessories Required. The accessories required for this calibration are common
usage accessories issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure. The following peculiar accessory is also required for this calibration:
Microwave hardware kit, 18 to 40 GHz.
Table 2. Minimum Specifications of Equipment
Manufacturer and model
Common name
Minimum use specifications
(part number)
ATTENUATOR (FIXED)
Range: 20 dB
Weinschel, Model 9918-
Frequency range: 50 MHz to 18 GHz
20dB (9918-20dB)
Accuracy: 0.5 dB accuracy with test report
AUTOTRANSFORMER
Ridge, Model 9020A
Range: 105 to 125 V ac
(9020A),
Accuracy: 1%
DIRECTIONAL COUPLER
Frequency range: 18 to 26.5 GHz
PRD, Model K414-10-FS1
NO. 11
Coupling factor: 10 dB
(7923152)
Accuracy: 0.4 dB
DIRECTIONAL COUPLER
Frequency range: 26.5 to 40 GHz
PRD, Model A414-10-FS1
NO. 22
Coupling factor: 10 dB
(7923153)
Accuracy: 1.2 dB
(correction chart to 0.03 dB)
FUNCTION GENERATOR
Range: 10 Hz to 10 MHz
Agilent, Model 33250A
Accuracy: 0.25 Hz of output frequency
(33250A)
display
Voltage: 25 mV rms
Range: 2.98 to 4.5 V dc
Hewlett-Packard, Model
Accuracy: 0.17%
3458A (3458A)
POWER METER W/POWER
Frequency range: 50 MHz to 40 GHz
Agilent, Model N1911A
SENSOR
Power range: +5 to -20 dBm
(N1911A) w/power sensor
Accuracy: 0.7 dB with test report
8487A (8487A)
POWER SPLITTER
Frequency range: 50 MHz to 18 GHz
Weinschel, Model 1870A
Output port tracking:
(7916839)
50 MHz to 2 GHz: 0.15 dB
2 to 8 GHz: 0.2 dB
8 to 18 GHz: 0.25 dB
Insertion loss: -6 dB
Accuracy: -0.2 + 1.5 dB
SIGNAL GENERATOR
Frequency range: 50 MHz to 2 GHz
Aeroflex, Model 2023B
Accuracy: 0.25 Hz of output frequency
(2023B)
display
SYNTHESIZED SIGNAL
Frequency range: 50 MHz to 40 GHz
Anritsu, Model MG3695B
GENERATOR
Accuracy: 1 Hz of output frequency display
TIME/FREQUENCY
Range: 10 MHz
Datum, Model ET6000-75
Accuracy: 5 parts in 109
WORKSTATION
(13589305)
VARIABLE ATTENUATOR
Frequency range: 18 to 26.5 GHz
PRD, Model 155-F1
NO. 11
Accuracy: Calibration report from primary
(10519294)
VARIABLE ATTENUATOR
Frequency range: 26.5 to 40 GHz
PRD, Model 157-F1
NO. 22
Accuracy: Calibration report from primary
(10519383)
See footnote at end of table.
