J800
SPI_DATA
SPI_CLK
2
U520
2
3
1
PA_CTL_EN
4
6
CHRGR_DAC
ALERT_ENABLE
VIB_EN_CHRG_SEL
14
13
10
11
REF_2.75V
NEG_BIAS -3.4V
12
9
8
4
3
2
1
B+
Q556
PWR_CNTL
5
6
7
8
5
8
3
6
7
U51
U50
2
1
EXT
CON
RF
2
5
3
TX FILTER
FL504
POWER
DETECT
CR550
47
VCO
FL100
Q120
C
B
E
Q103
REF 2.75V
J800
E
B
C
4
U310
Q301
LOOP FILTER
Q101
B
12
3
27
4
21
7
REF 2.75V
1, 10, 13, 22,
30, 41, 45
HVCC
9
17
18
19
REF_AFC
RXSF_OUT
B+
Q402
Q401
Y401
J800
2
4
8
38
25
20
33
2
4
13
23
19
14
15
12
31
5
9
27
TP TX VCO
STEER
TP
VCO
STEER
37
38
39
41
43
1
47
3
1
4
RF ATTN
11
RESET
44
40
17
REF 4.75V
3
REF 2.75V
16
D REG 11, 25, 45
A REG 21, 35
HVCC
7, 29, 36
HVCC OUT
4
2nd LO VCO
TX
RX
VCO
15
LOGIC
CONTROL
1&4
R51
4
EXT
ANT
INT
ANT
109.65 MHZ
989.64 MHZ
(333)
A REG
D REG
Q501
RX 879.99 MHz ( Channel 333 )
IF 109.65 MHz ( Channel 333 )
RX VCO 989.64 MHz ( Channel 333 )
TX 834.99 MHz ( Channel 333 )
U502
DC CONTROL
219.3 MHZ
FL201
RX_VCO_SAMPLE
TX VCO_SAMPLE
LVZIF U201
ANGUSS
U401
B+
RXCP_OUT
TX CP OUT
IF_IN
2nd LO VCO IN
2nd LO CP OUT
834 .99 MHZ
2.7V P.P.
600 MV P.P.
Ch. 991 = 1.74V DC
Ch. 333 = 2.21V DC
Ch. 799 = 2.72V DC
Motorola Confidential Proprietary
This manual is Motorola property. Copying or distribution
strictly prohibited without prior written consent from Motorola
and must be returned upon Motorola's request.
PA_NEG BIAS
TX_DR_NEG BIAS
Q552
PA
4
5
REF_2.75V
RESET
6
NEG_BIAS -3.4V
7
1
2
3
4
5
7
9
10
11
12
13
14
15
16
C559
SW_REF_2.75V
Q531
TX_SF
REF_ 2.75V
45
PWR_CONTROL
Q533
VVC
NEG_BIAS
R538
PWR_DET
C55
J3
C51
879.99 MHZ ( 333 )
NEG_BIAS -3.4V
REF_4.75V
1
60
DPLY NEG - 4.1V
3
NEG_V
FL102
RX DISABLE
17
RX DISABLE
6
40
RX DISABLE
FL101
C
E
RSSI
DEMOD AUDIO
FREQ ERROR
RF_SPI_DATA
RF_SPI_CLOCK
IF_ENABLE
16.8 MHZ
2.1 MHZ IF CLOCK
4.2 MHZ
RF_SPI_DATA
RF_SPI_CLOCK
SYNTH ENABLE
RESET
RX DISABLE
FM _MOD
CR501
CR502
U530
U610
SW REF 2.75V
TO J970
430 MV P.P.
Q302
B
C
BC
E
B
C
E
13
20
TXSF_OUT
R512
R513
R514
BC
TX_SF
NEG
REG
Star TAC 3000: RF Block Diagram
B-28
Q502
B
C
Q502
B
C
PWR_CNTL
Q504
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