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r 10
31
5
Bl
oc
k D
ia
gr
ams
Ref
er
ence
/R
eg
u
lator
S
ect
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F
ig
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re
1
0
-2
1
Re
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e
mb
ly
, A2
A2
3
REFERENCE ASSEMBLY, A2A23
S
Y
N
T
H
+10/
+50
500 kHz
HPF
10 MHz
REF IN
10MHz
OUT-OF-LOCK
OVERRIDE
EXT REF
X2 FREQ
DOUBLER
10-20MHz
10
00 MH
z
ON
/OFF
OUT-OF-LOCK
+50
OSC
FREQ
LOCK
2 DACS
ADJUST
FREQ
10MHz TCXO
OR
OPTIONAL OCXO
1GHz
VCO
1GHz
+2
1000 MHz
ON/OFF
1
000M
H
z
LO
I.O.
SG
REF
SY
N RCVR
REF
20M
H
z
TO
COUNT
ER
TO
SA
10MH
z
TO
SI
D
E
PA
N
E
L
GND
20
M
H
z
A
A
A
MOTHERBOARD
P/O
A2A1
10MHz
OUT
(GENREF)
7dBm
MIN
SINE
+5dBm
UPCONVERTER
REF
TO SA
CMOS
CMOS
1MHz
1MHz
TO
RCVR
SYNTH
RCVR
TO
SYNTH
+1
2
.4
+5
.1
-12
.4
CK
D
EN
/I
DIAG
DIAG
5
00MH
z
LO
(2 DACS
ADJUST)
.20M +10M REFS OUT:
ARE < -90dBc SPURS
> 5K OFF
10M (RCVR) < -110 dBc > 5 kHz
10MHz
REF IN
(GENREF)
10MHz
SINE
-10dBm
TO RCVR
SSB BFO
TO
OCXO
+12V
AUX
Содержание 8935 Series
Страница 34: ...34 Chapter 1 General Information Trademark Acknowledgements...
Страница 35: ...35 2 Product Information This chapter contains general information about the Test Set and how to service it...
Страница 93: ...92 Chapter 3 Troubleshooting Product Verification...
Страница 102: ...101 5 Disassembly This chapter explains how to disassemble the Test Set for major assembly replacement...
Страница 115: ...114 Chapter 5 Disassembly A2 Disassembly Figure 5 9 PC Board Assemblies...
Страница 135: ...134 Chapter 5 Disassembly Wire Cable Information...
Страница 139: ...138 Chapter 6 Replaceable Parts Parts Identification Covers and Chassis Parts Figure 6 2 External and Internal Covers...
Страница 150: ...Chapter 6 149 Replaceable Parts Parts Identification Figure 6 14 Cables Panel and Bottom Side Views...
Страница 157: ...156 Chapter 6 Replaceable Parts Parts List...
Страница 158: ...157 7 Periodic Adjustments This chapter contains the periodic adjustment procedures for the Test Set...
Страница 173: ...172 Chapter 7 Periodic Adjustments Eb No Calibration Program Description...
Страница 233: ...232 Chapter 8 Performance Tests CDMA Analyzer Modulation Accuracy Performance Test 29...
Страница 283: ...282 Chapter 9 Performance Test Records CDMA Analyzer Modulation Accuracy Performance Test 29 Record...
Страница 321: ...320 Chapter 10 Block Diagrams Instrument Control Section...
Страница 322: ...321 A Error Messages...
Страница 337: ...336 Appendix A Error Messages Non Recoverable Firmware Error...