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Motorola Astro XTL 1500 User Manual

Motorola Astro XTL 1500
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Schematics, Component Location Diagrams, and Parts Lists: HUD4022A (VHF) Main Board 7-33
6815854H01-A June 15, 2005
Figure 7-25. HUD4022A Frequency Generation Unit Overall Schematic (Sheet 1 of 2)
Rx Buffer
Rx VCO & 1st Buffer
Tx VCO & 1st Buffer
Tx Buffers
Tx & Rx Buffers Shields
NP
Millennium FGU
Tx & Rx VCOs Shields
NP
NP
NP
RX 3rd Buffer
TO SHEET 2
73D02970C73-O
SHEET 12 OF 23
1.K
R3881
1.K
R3880
SHIELD
SH3759
1
R3861
820.
820.
R3860
6.2
R3862
C3803
470.p
C3883
100.n
C3882
100.n
470.p
100.n
C3881
C3880
C3827
470.p
R3837
100.
1.u
L3776
10.u
C3879
1
Control_V_Rx
RF_OUT
Rx_Buffer_2_EN
SWITCHING1
SWITCHING2
1
TEST_POINT
TP6756
TP6762
1
TP6763
TEST_POINT
1
TEST_POINT
TP67611
TEST_POINT
TEST_POINT
1
TP6760
TEST_POINT
TEST_POINT
TP6772
1
TP6759
1
TP6758
TEST_POINT
1
1
TEST_POINT
TP6757
TEST_POINT
1
TP6764
1
TP6766
1
TP6765
SHIELD
SH3754
R3829
150.
R3830
TO_CAPACITOR
68.
Control_V_Tx
High_VCO_SW
Low_VCO_SW
TX_Buffer_EN
TX_RF_OUT From_TX_VCO
Keyed_9.1
Prescaler_Inj
TX_Buffer_EN
TX_Inj
LINE_B+
LO_INJ_HS
RF_IN
Rx_Buffer_2_EN
100.n
C3861
SH3750
SHIELD
1
L3750
1.0u
NC
NC
R3751
22.
NC
NC
NC
NC
R3770
C3809
5.600n
100.
5.6K
R3762
68.
R3771
IF6765
IF6766
IF6764
IF6767
C3770
C3857
100.n
470.p
1
SH3751
SHIELD
11
SHIELD
SH3753
C3772
F9.3V
SH3752
SHIELD
470.p
C3771
470.p
470.p
470.p
C3776
C3774
C3832
470.p
100.
R3772
R3766
1.K
4.7K
R3752
R3769
100.
Q3757
470.p
C3829
R3765
1.K
100.n
C3856
100.n
C3855
C3812
.022uF
C3834
.047uF
C3810
100n
100.n
C3858
C3833
C3860
100n
100.n100.n
C3859
R3773
51.
Q3764
1
2
5
3
4
1
2
5
3
4
Q3766
5
3
4
Q3763
Q3765
1
2
D3757
4
A1
5
A2
6
A3
3
K1
2
K2
1
K3
A3
6
K1
3
K2
2
K3
1
D3758
A1
4
A2
5
C3822
10uF
100n
100n
C3764
C3765
C3763 100n
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
100nC3767
Lock_Det
K9.1
TX_INJ
RX_Inj
B(,1),A(,0)0
B(,1),A(,1)
B(,1),A(,1)
0 B(,1),A(,0)
0 B(,1),A(,0)
B(,1),A(,0)0
0 B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,0)0
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,0)0
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,0)0
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,0)0
B(,1),A(,1)
B(,1),A(,1)
0 B(,1),A(,0)
B(,1),A(,0)0
B(,1),A(,1)
B(,1),A(,1)
1
2
5
3
4

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Motorola Astro XTL 1500 Specifications

General IconGeneral
BrandMotorola
ModelAstro XTL 1500
CategoryRadio
LanguageEnglish

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