Motorola MTR2000 Manual page 128

VCC
R5502
330K
C5500
R5503
L5500
5MHz
1.8uH
.01uF 120
R5500 50V
R5501
56
220K
control_in(0:4) 4
SPI_CLK
3 MOSI
Synth_CS*
2
Pend_CS*
1
0
Ext_Ref_En
VCC
R5519
D
2.7K
R5520
330
Q5503
C5511
L202
2.1MHz
33uH
0.1uF
50V
R5521
C5512
5.6K
C5513
27pF
100pF
IGNORE
*
50V
U5504 U5504 U5504
C5503
5 6 3 4 1 2
.01uF
50V
D5500
VCC
R5506
1MEG
VCC
FOUT
24
SS VREG
23 CE
VOPT
22
U5502
SCLK DC_WARP
25
SI SO
9
DE DET
7 CEXT
BG
Q5504
VCC
R5522
C5507
MMBT3904
27
47uF
R5525
68
C5515
0.1uF
MMBT3904 50V
R5526
27
R5523
68
R5524
39
VCC
R5510
R5509
2.7K
10K
R5508
Q5501
MMBT3906
10K R234
10K
R5512
C5504
R5511
0.1uF
10K
50V
R5507
VCC
1MEG
C5506
.01uF
16
A 50V
VDD
9
FR
U5500
11
LD
1 13
OSCIN PDOUT
7 14
CLK PHASE R
4 15
FIN PHASE V
5 10
D IN FV
6 2
_ENB OSCOUT
3
REFOUT
8
DATAOUT
C5508
VSS
.01uF
12
50V
10
R5515
R5516
11
12
100K
82K
27
21
8
20 VCC
B
U5503
14
VCC
VDD
R5527 4 3
U5503
47K
VSS
14
CNTL
7
VDD
8
74HC4066
VSS
C5510
CNTL
10uF
74HC4066
R5528
0
STATION CONTROL MODULE
VCC
R5513
2.7K
Q5502
MMBT3904
VCC
R5514
4.7K
10K
C5505
.01uF VCC
50V
Lock
16
3
VCC
RESET
2
6
CX_RX Q
5MHz_Act
7
U5501
Q*
4
A
5
B
16.8MHz_Act
74HC4538
VCC
R5517
C Pend_Freq_Low
33K
R5518
4.7K
C5509
MISO
.01uF
50V
VCC
16
VCC
13
RESET
14 10
Q
CX_RX
9
Q*
12
U5501
A
11
B
GND_CX GND
15
8
VCC
9
U5503
C5517
14
0.1uF
VDD
11 10
VSS
CNTL
7
U4302
5 6 12 74HC4066
74AC04
MODEL TCN6273N
4
control_out(0:4)
3
2
1
0
VCC
U5504
14
C5501
VCC
0.1uF
GND
7
U5504 U5504
U5504
9 8 11 10 13 12
unused
16.8MHz
Tx_2.1MHZ
Rx_2.1MHZ
REFERENCE
68P81094E31-I
Schematics (Sheet 29 of 36)
7/28/2007