Figure 7-86. Hue4040A Transmit Vco Schematic - Motorola ASTRO XTL 1500 Detailed Service Manual

7-114
TX_High_Switch
C5832
0.1uF
C5828
L5825 13pF
C5827
390nH
Steer_Line
C5825
15pF
330pF
D5831
D5827
1SV229
TX_Low_Switch
C5831 C5834
0.1uF 330pF
C5829
16pF
L5828
39nH
C5830
Steer_Line
C5826 C5835
16pF
330pF 3.9pF
D5828
D5832
1SV229

Figure 7-86. HUE4040A Transmit VCO Schematic

June 15, 2005
HIGH RANGE 485 MHz to 520 MHz
C5836 C5843
R5829
C5848
R5825
1.6K
330pF
0.1uF 330pF
2.7K
L5831
180nH
C5837
R5833
270
0.1uF
C5845
L5829
270nH
9.1pF
C5839
BFQ67
Q5825
R5837
5.6pF
C5833
C5858
C5841
1.8pF
R5831
10pF
1 33
220pF
IN
Y5800
640 MHz
OUT
L5827
2
390nH
C5855
16pF
R5827
270
LOW RANGE 450 MHz to 485 MHz
C5844
R5826 R5830
C5847
2K
0.1uF
2.7K
330pF
C5838
L5832
R5834
180nH
270
0.1uF
C5846
L5830
270nH
4.7pF
C5840
BFQ67
Q5826
9.1pF
C5854
1
C5842
R5832
IN
15pF
Y5801
33
220pF
610 MHz
OUT
2
C5851
L5826
18pF
390nH
R5828
270
Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
D5833
L5833
220nH
C5856
0.1uF
C5849
R5839
51
9.1pF
R5841
100
100
R5846
12K
R5845
2.7K
C5850
R5840
51
9.1pF
R5838 R5842
100
100
TP5825
C5853
330pF
R5851
4.7K
R5848
820
TP5826
C5852
C5857
R5849
15
12pF
12pF
R5843
BFQ67 R5850
220
R5852
220
Q5828
4.7K
SH5820 SH5821
NU NU
C5861
0.1uF
C5862
330pF
L5834
R5853
180nH
470
C5859
L5835
18nH
TX_INJ
100pF
BFQ67
Q5829
C5863
Feedback
1.2pF
R5854 C5860
360
330pF
6815854H01-A