Figure 7-57. Hue4039A/Hue4043A Transmit Vco Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

7-80
TX_Low_Switch
G
C5832
0.1uF
C5828
L5825
15pF
C5827
Steer_Line
15nH
C5825
15pF
330pF
D5827
D5831
TX_High_Switch
C5831
0.1uF
C5829
L5828
12pF
15nH
Steer_Line C5830
D5828 D5832
1SV229
1SV232 12pF
C5826
330pF

Figure 7-57. HUE4039A/HUE4043A Transmit VCO Schematic

May 25, 2005
LOW RANGE 380 MHz to 425 MHz
C5836
R5829 C5843
1K
R5825
0.1uF
330pF
L5831
2.4K
180nH
C5837
R5833
270
0.1uF
C5845
L5829
270nH
9.1pF
BFQ67
Q5825
18pF
C5833 C5839
2.2pF
C5858
18pF
C5841
R5831
33
220pF
U5825
L5827
515 MHz
390nH
C5855
18pF
R5827
270
HIGH RANGE 425 MHz to 470 MHz
C5834
330pF
C5844
R5830
R5826
1.3K
0.1uF
3.9K
C5838
L5832
R5834
270nH
270
0.1uF
C5846
L5830
270nH
100pF
C5840
BFQ67
Q5826
11pF
C5835
5.1pF
1 C5854
C5842
R5832
IN
20pF
33
U5826
220pF
OUT 580 MHz
2
L5826
390nH
C5851
20pF
R5828
470
Schematics, Component Location Diagrams, and Parts Lists: HUE4039A/HUE4043A (UHF Range 1) Main Board
D5833
C5848
C5856
330pF
0.1uF
R5839 C5849
51 6.8pF
R5837
R5841
100
100
C5847
330pF
C5850
R5840
51
18pF
R5838
R5842
100
100
TP5825
L5833
220nH
C5853
330pF
R5851
4.7K
R5848
820
TP5826
R5846
C5852 C5857
R5849
12K
15
12pF 12pF
R5843
BFQ67 R5850
Q5828 220 220
R5852
R5845
4.7K
2.7K
SH5820 SH5821
NU NU
1 1
C5861
0.1uF
C5862
330pF
L5834
R5853
180nH
1K
C5859
R5855
TX_INJ
0
100pF
BFQ67
Q5829
C5863
Feedback
3pF
R5854
C5860
360
330pF
6881096C74-B