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Page Title:
Table III -- Impulse Generators |
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|  MIL-R-23016(Wep)
give meter indications of CW signals. The frequency range
between 150 kc and 10,000 mc shall then be scanned with the
generator output preferably set at least 80 db above the out-
put originally noted. Those frequencies at which output sig-
nals are obtained shall be investigated to obtain the
generator reading which corresponds to the original receiver
output signal. Since all signal generators emit a substantial
amount of harmonics, care should be taken that the receiver is
not erroneously rejected because of such spurious signal
content.
TABLE III -- Impulse Generators
Impulse generator
Receiver tuning
Manufacturer
type
range in mc
Empire Devices
IG-102
Below 500
Products Corp.
Empire Devices
IG-115
Products Corp.
Empire Devices
Impulse generator
Products Corp.
incorporated in
NF-105 or NF-205.
Stoddart Aircraft
91263-1
Radio Company
Empire Devices
IG-118
500-10,000
Products Corp.
Front-end rejection is calculated with the following formula:
Front-end rejection = 20 log V2/V1
V 1 = Signal generator voltage required for minimum
perceptible receiver output on channel or
frequency under test.
V 2 = Signal generator voltage required for minimum
perceptible receiver output at all other
frequencies.
75
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