General Information
Model 8642A/B
Table 1-3. Recommended Test Equipment (2 of 2)
Instrument
SWR Bridge
Function Generator
Signal Generator
(optional)
Short, Type
N
Feedthrough Termination,
BNC
Critical Specification
Directivity:
>40 dB
Max. Rate:
>50 kHz
Min.
Pulse Width:
<6 ^sec
Rise Time:
<100
nsec
Residual
SSB
phase noise
in 1 Hz BW
(320 MHz
< f
c
<
640 MHz) with
an
offset
from
the
carrier
of:
-100
dBc at 10 Hz,
-121
dBc at
1
kHz, and
-131
dBc at 10 kHz
z
0
= 600
ohms
±1%
Recommended Model
Wiltron 60NF50
HP
8116A
HP 8662A
(for
Optional Residual
FM
Test)
HP 11512A
HP 11095A
(see Table
1-4)
Use
1
p
p
p
p
p
1
P
=
Performance
Testing,
A =
Adjustments,
T =
Troubleshooting
INPUT
)>-
IOMH
IOMH
?
— i—f™^-• -_pnnr(_|
Q"^(o
UTPUT
_ =fl500pF i
330
^ T
160
°P
F
T
150
°P
F
-
Figure 1-1. 1 MHz Low-Pass Filter
Table 1-4. Alternative Test Equipment
Instrument
Digital Voltmeter
(DVM)
Signal Generator
Oscilloscope
Feedthrough Termina-
tion,
BNC
Recommended Model
HP 3456A
HP 8642B
HP 1980B/HP 19860A
HP 11095A
Suggested Alternative
HP 3455A
HP 8340A
HP 8341A
HP 8663A
HP 8662A
HP 1740A
HP 0757-1100
Advantage
of
Alternative
Satisfies
the
requirements
for
testing
the Signal Generators.
Satisfies
the
requirements
for
testing
the Signal Generator except:
1.
Third Order Intermodulation Test
re-
quires +18dBm
at
1050 MHz.
2.
Optional Phase Noise Test requires
phase noise less than
or
equal
to the
unit under test.
3.
The
8662A satisfies
the RF
frequency
range
for
8642A testing.
Satisfies
the
requirement
for
testing
the
Signal Generator.
Satisfies
the
requirement
for
testing
the
Signal Generator.
1-16
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