Motorola MTR2000 Manual page 61

EXCITER MODULE
MODEL TTD6301C
+15V
C3302
10000pF
C
L3301
10_VDC_Ex
.47uh
C3311
22.0µF
A
U3303
1 3
+8V IN
OUT
GND
2
C3308 C3309
22.0µF
.100µF
Regulators Service Notes
Signal
Description/Nominal Signal Levels
Path
+8V; Input for the +5 volt regulator U3303
A
+5V; Supply for the synthesizer and A/D converter
B
10_VDC_Ex; supplies the VCO, Buffer and Tx-switch circuitry
C
68P81094E12-D
Schematics (Sheet 10 of 14)
12/26/01
C3303
22.0µF
+10V
+5V
B
REGULATOR
CIRCUITRY
A+ +8V SYNTH1T_CS*
+14.2V
L3601
C3615 24
C3606
10000pF
15pF
28 26 24 22 20
27 25 23 21
C3613 C3612
15pF 15pF
L3600
24
10_VDC_Ex
C3614
+15V REF_OSC SYNTH2T_CS*
10000pF
MOSI MISO RESET* ADAPT_T*
C3605 C3604 C3603 C3602
15pF 15pF 15pF 15pF
18 16 14 12 10 8
19 17 15 13 11 9 7
C3611 C3610 C3609 C3608
15pF 15pF 15pF 15pF
SPI_CLK ADT_CS* TX_ENABLE
EXCITER/SCM
CONNECTOR
REF_MOD
C3601 C3600
15pF 15pF
6 4 2
5 3 1
C3607
15pF
VCO_MOD