Motorola HT Series User Manual

9-420 800 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 84860641Z02 / 8480641Z03 (Rev B)
Steering Line DC Voltage
2 to 9V in RX mode
3 to 11V in TX mode
-20dBm RX VCO
-35dBm Second Harmonic RX VCO
-33.5dBm Second Harmonic TX VCO
-18.5dBm TX VCO
All values above are ’typical’
Measured with HP85024A
High Frequency Probe
4.6V
12.8V (Typical)
2.2 to 2.7V at room temp
For crystal
NOTE: REFERENCE OSCILLATOR COMPONENT USAGE DEPENDS ON FREQUENCY STABILITY
SEE REFERENCE OSCILLATOR PARTS PLACEMENT TABLE AND/OR PARTS LIST FOR DETAILS
IN
IN
IN
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
REF
IN
IN
IN
C235
C236
C237
C238
C239
C241
CR203
FL201
R211
R212
R213
R214
Y200
1.5 PPM
OUT
2.5 PPM
REFERENCE OSCILLATOR PARTS PLACEMENT
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
LVZIF_SEL_1_FN
RTA1_1_FN
EMER_1_FN
RTA0_1_FN
SB1_1_FN
RSSI_1_FN
RED_LED_1_FN
GREEN_LED_1_FN
PTT_1_FN
VOL_1_FN
RTA2_1_FN
RTA3_1_FN
DEMOD_1_FN
MECHSWB+_1_FN
SYNTHESIZER BOTTOM SHIELD
SYNTHESIZER TOP SHIELD
0.1µF
C238
VMULT4
13
VRO
WARP
25
23
XTAL1
24
XTAL2
SFOUT
37
TEST1
38
TEST2
21
VBPASS
47
VCP
15
VMULT1
14
VMULT2
VMULT3
12
11
PREIN
33
PRE_GND
34
PRE_VDD
35
PVREF
18
REFSEL
27
SFBASE
26
SFCAP
30
SFIN
28
LOCK
10
MODIN
41
MODOUT
17
NC1
29
NC2
31
NC3
44
PD_GND
5
PD_VDD
32
7
DATA
6
DGND
36
DVDD
19
FREFOUT
45
IADAPT
16
INDMULT
43
IOUT
4
AUX2
2
AUX3
3
AUX4
20
AVDD
40
BIAS1
39
BIAS2
CCOMP
42
9
CEX
8
CLK
U201
46
ADAPTSW
22
AGND
48
AUX1
1
VR503
6.8V
Q210
2
4
1
3
R214
47K
C201
C215
68pF
0.1µF
.01µF
C522
C228
0.75pF
R217
0
33K
R218
.01µF
C247
C244
A2
5
A3
4
K1
1
K2
2
K3
3
.01µF
D202
A1
6
C224
68pF
R203
33
NU
0.1µF
C242
C245
A2
5
A3
4
1
K1
2
K2
3
K3
.01µF
D201
A1
6
6.8V
VR506
GND
IN
OUT
FL201
.047µF
C225
C205
.01µF
1.3K
R209
C211
2.2µF
L203
6.8nH
1MEG
NU
R221
R208
56K
C221
68pF
1.6pF
3.9K
C236
R202
R200
100
2.2µF
C207
C203
10µF
R211
C250
47K
NU
NU
0.1µF
C249
0.1µF
C234
10µF
2.2µF
C214
NU
R223
0
0.1µF
C206
68pF
C219
68pF
C222
2.2µF
C202
C246
.01µF
120
R204
C237
330pF
0.1µF
C212
150
R210
330
R219
L505
390nH
PB502
68pF
C227
0
R216
0.1µF
C204
2.2µF
C217
100
R213
0.1µF
C213
SH201
68pF
C223
.01µF
C240
C210
68pF
R212
5
IN
2
NR
4
OUT
3
SD
NU
U247
6
ERR
1
GND
C226
CR203
.047µF
2
4
1
3
R206
Q200
30K
0
R222
2.2µF
C229
2
GND
4
NC
ON_OFF*
3
1
VIN
5
VOUT
SH202
U248
C230
68pF
C220
68pF
0.47µF
C216
2.2µH
L202
2.2µF
C200
C239
.01µF
L200
C241
2.2µH
C231
68pF
10µF
470pF
12µH
L204
C209
PB503
16.8MHz
2
GND
3
OUT
VCC
4
1
VCON
Y200
C523
.01µF
68pF
C232
R220
150
22pF
C243
C208
0.1µF
VR505
6.8V
1000pF
C233
C235
56pF
C218
0.1µF
AUX3_5V
Vdda
VCTRL
SWB+
BATT_ID
SB2
BATT_CODE
LI_ION
B503
B504
(SOURCE)
5V
MODIN
CSX
DATA
C
LK
VSF
PRESC
16.8MHz
AUX4
TP201
LOCK
5V
R5
4V_3.3V
PTT
VOL
RTA3
SB1
DEMOD
MECH_SWB
+
LVZIF_SEL
RSSI
RED_LED
GREEN_LED
RTA2
RTA1
RTA0
EMER
3.3V
Vdda
TP202
SB3
Figure 9-264. 800 MHz Synthesizer Schematic Diagram

Motorola HT Series Specifications

General

Brand	Motorola
Model	HT Series
Category	Two-Way Radio
Language	English