February 2001
Part No. 001-9800-001
6-27
C566
.01uF
R539
42.2k
R543
12.1k
C564
39
C563
.01uF
C561
4.7uF
R534
100k
R527
10
R542
7.5k
C565
10uF
R538
17.8k
C552
10uF
R536
100k
R547
47k
R505
10k
R512
47k
R514
47k
5.5V REGULATOR
CTRL
V OUT
FDBK
VIN
8V
C562
39
R526
100
+
+
UNSW BAT
VOUT
VIN
1
U501
MC78M08
GND
6
2
1
5
4
3
CR505
CR506
R537
1k
UNSW BAT
(FROM PA BD)
CR504
R541
54.9k
8V REGULATOR
8V
R800
20k
R803
20k
R806
20k
R809
20k
R812
20k
R814
20k
R816
20k
R801
20k
R802
10k
R805
10k
R808
10k
R811
10k
R813
10k
R815
10k
C500
39
R525
10k
R524
10k
R508
220k
CR503
U801
MC14094
4
5
6
7
14
13
12
16
15
8
Q0
Q1
Q2
Q3
Q4
Q5
Q6
1
3
2
10
Q7
STR
CLK
DATA
QS
VCC
OE
GND
T/R
SHIFT REGISTER
(D/A CONVERTER)
2
3
+
U500A
LM2904
8
4
1
C547
.01uF
UNSW BAT
C502
.01
R516
4.7k
R515
4.7k
Source
8V Tx
C529
39
C515
5.6
C516
16
R520
1.2k
R519
5.1k
C526
.01uF
C525
39
R522
100
C520
39
R810
4.7k
R821
0
R807
4.7k
R834
12k
R840
10k
C820
100
C825
1uF
R826
[2]
R841
10k
R850
100
C828
.01uF
C829
39
+
+
U803
LM2904
5.5V
8
4
1
2
3
C809
[2]
5.5V
14
1
15
16
17
RF OUT
GND
GND
GND
GND
VCC
MOD IN
GND
GND
GND
8
7
18
19
20
U806
REF OSCILLATOR
17.500 MHz (988x)
14.850 MHz (989x)
R518
51
R523
100
R521
100
L501
C517
39
C528
.01uF
C522
4.3
C518
1.6
C519
6.8
L504
C523
10
C524
39
C527
1.6
R529
680
10
R531
680
8V
C530
39
L502
L503
EP502
C511
39
C549
470uF
C550
.01uF
C551
39
C548
10uF
+
+
+
U500B
LM2904
CR502
R507
1.15k
R509
[2]
C504
.1uF
C501
.1uF
R502
[2]
C503
39
5
6
7
CR500
(30W only)
R511
[2]
R506
1k
8V
F500
4A
SOURCE
UNSW BAT
R513
1k
R510
1.2k
R501
10k
C505
.01uF
SW BAT
Q500
7013
R500
2.2k
R503
10k
EXCITER
DRIVER
POWER CONTROL
CURRENT
SENSE
AMP
PREDRIVER
R804
4.7k
R822
[2]
R820
0
C832
.01uF
C819
1uF
R828
0
C830
.01uF
C833
39
C834
0.1uF
R845
10
R846
[2]
C835
.01uF
R848
15k
C836
.0047uF
C840
.01uF
R854
10k
R852
1k
C838
4.7uF
R851
[2]
C839
39
C831
1uF
R849
470k
R853
10k
R838
[2]
C821
.001uF
C816
.001uF
C925
[3]
L909
68nH
C841
.001uF
C842
[2]
C849
[2]
R855
47
C923
[3]
R911
47k
C920
1
C915
1
C912
[2]
15
7
20
19
8
2
3
1
RF
RN
VSS
VSSA
PHP
PHI
RF IN
RF IN
17
16
4
12
14
13
5
6
VDDA
VCCP
VDD
TEST
REF IN
DATA
STROBE
CLK
LOCK
R831
100
C815
.01uF
+
5.5V
+
U804
SA7025
SYNTHESIZER
R504
1.15k
CR501
UNSW
BAT
C907
[2]
C922
[2]
L908
68nH
C917
3.9
R908
5.6k
L906
68nH
C913
[2]
C921
2.2
C918
1
R905
6.2k
C910
[3]
R909
3.3k
R910
100
C919
[3]
R912
180
C924
[3]
C914
[2]
C909
[3]
R907
100
L907
Tuning
Stub
CR903
5.5V
C558
39
C557
.01uF
+
C553
470uF
C513
.1uF
C514
39
C911
2.7
Q501
3658
Q511
1300
Q513
1300
Q505
3658
8V
R859
10k
R858
4.7k
Q806
3612
2
3
+
C556
4.7uF
SOURCE
8V
SUPPLY SWITCHING
U502
TK11900
SOURCE
5.5V
9
C202
[2]
CR200
R200
1k
C214
8.2
CR203
Q201
3618
R208
4.7k
21
1
17
20
18
19
9
5
3
4
2
23
22
24
11
14
12
6
8
7
15
10
16
DGND
GND4
GND3
GND2
GND1
A2
W2
B2
A1
W1
B1
CS
CLK
SDI
VCC
SHDN
RS
A4
W4
B4
A3
W3
B3
5
2
3
U802
AD8403
R824
0
R819
0
5.5V
R818
10k
R817
10k
R829
[2]
R823
100k
SYNTHESIZER
DIGITAL POTENTIOMETER
8V Tx
1/4-WAVELENGTH
Z200
BANDPASS FILTER
C227
[2]
BANDPASS FILTER
Z201
R215
[2]
R216
[2]
R217
[2]
C245
100
R213
4.7k
C222
.01uF
R206
10k
Q200
3612
R205
4.7k
R207
100
C223
.01uF
R209
220
C224
39
8V
C226
39
C225
.01
RF AMP
C244
.01uF
R222
4.7k
Q203
3612
R221
2.2k
R218
[2]
C250
.01uF
C249
39
8V
C248
.01
C247
39
FIRST MIXER
Q202
3618
L220
.39uH
R214
560
C231
39
C232
56
R211
270
R210
18
R212
270
C265
47
C266
[2]
C268
[2]
L214
[2]
C269
[2]
C270
[2]
R228
8.2k
L207
.047uH
R219
100
C246
[2]
C264
[2]
R226
0
C255
100
R245
680
R246
390
R244
15k
C283
.01uF
L219
.22uH
Q207
3634
R248
180
C286
.01uF
C287
[2]
C288
7.5
C284
.01uF
C290
[2]
R249
47
R250
390
C292
.01uF
R251
100
R231
4.7k
R232
4.7k
C275
.01uF
R835
560
C823
.01uF
C824
100
C811
.01uF
C812
100
C903
[3]
L902
68nH
R903
1k
C906
[3]
L905
68nH
R825
560
R827
4.7k
Q800
1300
C807
.01uF
C808
100
RECEIVER
52.950 MHz (988x)
45 MHz (989x)
CRYSTAL FILTER
Z204B
C271
[2]
C272
[2]
Z204A
Z203
807 MHz (988x)
888 MHz (989x)
BANDPASS FILTER
C285
.01uF
R247
4.7k
R243
10
8V
L217
.27uH
8V
8V
Q206
3616
Q205
3616
C277
.01uF
TRIPLER
2
10
1
3
Q4
Q1
Q0
CLK
STROBE
QS
DATA
Q804
3616
Q803
3616
Q2
Q3
Q5
Q6
Q7
4
5
6
7
14
13
12
11
U800
14094
5.5V
16
15
8
VCC
OE
GND
5.5V
5.5V
+
C814
10uF
CR800
8V
15
4
3
5
6
7
W100
W110
W112
W113
W114
W115
7.00VDC In
C Shift 1
C Shift 2
Mod In
N/C
Control
CR902
CR901
C905
[3]
R229
0
C274
.001uF
R254
2.2k
R253
3.3k
C298
.01uF
C293
.01uF
C295
.1uF
+
C294
47uF
R252
100
C301
10
C278
.01uF
C282
.01uF
C299
.01uF
C300
.01uF
C296
.01uF
C297
.01uF
R255
56k
R256
27k
R258
10k
C303
.33uF
C305
100
R259
330
C302
.01uF
C281
.01uF
C280
.01uF
R233
22k
R234
22k
CR207
R237
20k
CR209
R239
510
R238
20k
C276
.01uF
C289
.01uF
C291
.01uF
R241
20k
R240
510
CR210
CR208
R242
20k
R906
12k
R904
10
C908
[3]
L904
68uH
C901
[3]
R913
100
C902
[3]
Q901
3651
R901
4.7k
L903
12nH
R902
470
C904
5.6
R839
0
C822
39
C826
[2]
R861
[2]
R833
15k
Q801
3618
C817
100
Q802
3612
R837
68k
R836
33k
C813
.01uF
R830
100
R832
180
C827
39
C844
.01uF
C818
5.6
C845
10
Q805
3616
Z205
450 kHz CERAMIC
FILTER
W202
5.5V
L218
1
2
4
20
18
13
12
19
17
15
8
10
11
6
14
16
9
5
7
IF AMP
OUT
LIM IN
VCC
RF IN +
RF IN –
OSCB
IF AMP
IN
MIXER
OUT
LIM 2
LIM 1
IF 2
IF 1
GND
RSSI
OUT
RSSI FB
AUDIO FB
AUDIO
OUT
QUAD
IN
LIM
OUT
U201
SA676
SECOND MIXER/
DETECTOR
Z206
WIDEBAND
NARROWBAND
Z202
W109
W111
W101
W103
W102
W104
W105
W106
W107
W108
RF OUT
RF Out
L800
.047uH
R856
1k
R860
4.7k
8V
CR801
C848
39
CR802
L801
.047uH
C846
10
R857
1k
C847
4.7
1/4 WAVE
LENGTH
8V
BUFFER
AMPLIFIER
Tx/Rx SWITCH
A900 VCO MODULE
BUFFER
AMPLIFIER
VCO
20
19
C306
100
C304
.01uF
Rx Audio Out
RSSI Out
PART OF
J201
11
8V
8V Out
C555
39
10
Sw Bat Out
C554
39
SW BAT
4
Unsw Bat Out
C559
39
UNSW BAT
R533
510
6
7
8
TO J302 ON
AUDIO/LOGIC
BOARD
450 kHz CERAMIC FILTERS
PART OF
J201
TO J302 ON
AUDIO/LOGIC
BOARD
17
18
12
13
14
16
15
2
3
5
SHIFT
REGISTER
R546
47k
2
3
4
6
4
3
2
3
4
3
2
5
6
W201
ALL RESISTORS ARE IN OHMS AND ALL CAPACITORS ARE IN
PICOFARADS UNLESS OTHERWISE SPECIFIED.
VALUE DETERMINED BY FREQUENCY RANGE. REFER TO TABLE 1.
THESE VCO CAPACITORS ARE 33 pF (800 MHz), 27 pF (900 MHz).
1.
[2]
[3]
NOTES:
2
1
8
9
10
11
12
13
14
16
CR904
R540
10k
Tx On
On-Off Ctrl
Temperature
Transmit (Delayed PTT)
Lock Detect
Tx Wideband Data In
Data In
Clock In
RF Strobe In
Synth Strobe In
Tx Audio In
Tx Data In
L213
[2]
17.500 MHz (988x)
14.850 MHz (989x)
L215
[2]
Q903
3651
Q902
3641
C850
39
+
AUX IN
10
18
11
Q508
3612
Q503
3658
Q502
3658
R517
10k
Q509
3658
SOURCE
SW BAT
R535
100k
Q510
2057
Q512
6027
Q514
3612
Q504
3612
C531
1uF
Q506
3604
EP501
Q507
4098
8V Tx SWITCH
BYPASS
Tx/Rx SWITCH
L201
[2]
C843
5.6
R257
[2]
R863
22k
R862
22k
900 MHz ONLY
C916
1.2
[2]
[2] TABLE 1
COMPONENT VALUES DETERMINED BY
FREQUENCY RANGE
PART
C202
C227
C246
C264
C266
C268
C269
C270
C271
C272
C287
C290
C639
C809
C826
C842
C849
C907
C912
C913
C914
C916
C922
L201
L213
L214
L215
R215
R216
R217
R218
R257
R502
R509
R511
R822
R826
R829
R838
R846
R851
R861
800 MHz
12
1.8
30
3.9
11
39
Not Used
6.8
15
100
33
24
3.6
330
12
39
47
3.3
3.0
2.2
2.7
Not Used
2.7
39nH
1 uH
3.9uH
1 uH
150
39
150
180
62k
11.0k
11.0k
56
4.7k
4.7k
15k
27k
10k
100k
15
900 MHz
10
2.2
16
3.3
30
150
15
27
27
.01 uF
47
36
Not Used
150
5.6
27
27
3.0
1.8
2.2
2.2
1.2
1.2
Not Used
.68 uH
Not Used
.68 uH
270
18
270
100
47k
10.0k
10.0k
120
100k
10k
10k
24k
11k
47k
0
1
5V
8-10 dBm
6.0
3.0
5.4
5.9
0.7
0 dBm
(0.22 mV rms)
7.8 (Tx)
0 (Rx)
7.2 (Tx)
8.0 (Rx)
>3.0 (Tx)
0 (Rx)
<0.5 (Tx)
8.0 (Rx)
2.9V DC
0.7VDC (No Signal)
2.4VDC (-47 dBm)
WB 0.18V rms (-47 dBm, 3 kHz dev)
NB 0.09V rms (-47 dBm, 1.5 kHz dev)
0 Rx
0.8 Tx
2.5
13.1
0.6 (OFF)
9.1
13.3 (OFF)
4.7
0.1 (OFF)
13.8
4.3
4.0 (OFF)
7.2
13.7 (OFF)
7.9
12.9 (OFF)
8.6
13.3 (OFF)
12.8
13.4 (OFF)
5.4
6.0
1.8
0.8
6.0
5.4
6.0
1.2
6.0
6.0
0
0.1V P-P w/ -30 dBm
at Antenna Jack
7.9
1.9
1.0
0.6V p-p
7.7
7.0
2.8
400 mV rms
(1.1V p-p)
1-5 (Tx)
2-6 (Tx)
0.3 (Rx)
8.0 (Rx)
3-10 (Tx)
0 (Rx)
1.4-5.0 (Tx)
0 (Rx)
11.6 (Tx)
0.3 (Rx)
2-6 (Tx)
0.3 (Rx)
4.7
.9
.9
CR803
5.1V
2A at MAX PWR
1.1-3.8V DC (Rx)
2.0-5.2V DC (Tx)
1.3-3.1V DC (Tx TA)
>6.0 (WB)
<0.5 (NB)
<0.5 (WB)
>6.0 (NB)
>3.0 (WB)
0 (NB)
0.1V p-p w/ -47dBm
at Antenna Jack
0.3V p-p w/ -4.7dBm
at Antenna Jack
0.1V p-p w/ -47dBm
at Antenna Jack
J501
To J501 On
RF Board
R548
1k
R549
1k
C599
.047
+
C532
1uF
J602
R608
220k
R604
100
R602
220k
R610
100
R609
100
R611
4.7k
C613
56
C612
.01uF
C632
39
C623
12
C624
3.9
C625
7.5
C607
39
C608
.018uF
C635
1.8
C622
1.8
CR604
C626
7.5
C627
3.9
C609
39
C610
.018uF
C611
1
C638
39
C606
1uF
CR602
CR603
R605
100k
R603
330
L602
.033uH
C601
39
C600
.018uF
C621
56
L604
3
4
Unsw Bat Out
C361
39
C636
39
HARMONIC FILTER
R607
220k
Antenna
Jack
J601
R606
220k
C637
.018uF
CR600
VS1
VS2
VS3
RF IN
RF OUT
2
3
4
1
U800
15W POWER AMPLIFIER BOARD
C605
.018uF
CR601
12V
C604
39
C603
1uF
R600
470
Q600
3612
R612
1k
C615
1uF
L601
C628
39
W505
W504
C630
39
C629
.01uF
R601
10k
Current Sense
Temperature
T/R
5
7
Unsw Bat Out
Forward Power
C619
1uF
UNSW BAT
+
–
Power
Jack
A20
EP600
R601
.030
W501 W500
POWER AMP MODULE
5
W503
W502
C634
39
J600
ANTENNA
SWITCH
Q602
3658
R613
10k
C620
1
L603
.033uH
C639
3.6
J603
.001uF
6
8
1
2
+
C640
2.2uF
R615
100
C633
10 (800 MHz)
12 (900 MHz)
RF BOARD SCHEMATIC (800/900 MHZ)
PA BOARD SCHEMATIC (15W, 800/900 MHZ)
