Motorola MTR2000 Manual page 59

EXCITER MODULE
MODEL TTD6301C
R3100
L3101
3300
1800nH
C3102
680pF
+10V
C3101
+10V
680pF
C3103
R3101
680pF
270
RF_IN L3100
C3100
Q3100
10nH
680pF
+2.6
A
R3103
8.2
+2.2
R3102 R3104 C3104
1500 82 680pF
TX Buffers Service Notes
Signal
Description/Nominal Signal Levels
Path
RF_IN from VCO_OUT; RF level approx. +6 to +9 dBm
A
DIV_BUF; RF level approx. +12 dBm
B
RF_OUT to TX SWITCH (RF ISOLATION CIRCUITRY); RF level approx. +14 dBm (+12 to +16 dBm).
C
Feedback to the synthesizer chip.
68P81094E12-D
Schematics (Sheet 8 of 14)
12/26/01
R3108
3300
C3108
680pF
R3109
270
C3107
680pF
+2.6
L3102
R3106
+1.9
47nH
18
C3105 C3106 R3105 R3107 R3110
15pF 15pF 270 270 1500
L3103
1800nH C3109
680pF
B
C3110
DIV_BUF
680pF
Q3101
R3111
8.2
L3104
R3114
47nH
18
R3112 C3111 C3112 C3113 R3113 R3115
82 680pF 15pF 15pF 270 270
+10V
R3116
3300
L3105 C3116
1800nH 680pF
C3115
680pF
C3117
R3117
560
680pF
2 3 C1
C3114 B1 7
Q3102
6
E1 E2
E3
680pF
1 4 5 8
+1.8
C3120
R3119
8.2
3.3pF
L3106
47nH
+1.0
R3118 R3120 C3118 C3119
1000 27 680pF 15pF
TX BUFFERS
C
C3122
10pF
RF_OUT
L3107 R3122
33nH
12
C3121 C3123 R3121 R3123
27pF 12pF 470 470