參數(shù)資料
型號(hào): BT865AKPF
英文描述: Color Encoder Circuit
中文描述: 顏色編碼器電路
文件頁(yè)數(shù): 58/76頁(yè)
文件大?。?/td> 1050K
代理商: BT865AKPF
3.0 PC Board Considerations
Bt864A/865A
3.2 Power and Ground Planes
YCrCb to NTSC/PAL Digital Video Encoder
3-2
Conexant
100138B
Figure 3-1. Example Power Plane Layout
CONN
Analog
864A/865A
Ferrite
Bead
13
1
Figure 3-2. Typical Connection Diagram and Parts List
NOTE(S):
(1)
Some modulators may require AC coupling capacitors (10 μF).
VAA
COMP
VBIAS
VREF
AGND
C6
C7
C2
FSADJUST
RSET
CVBS/G
CVBS/B
Y/CVBS
C/R
Analog Power Plane
P
P
P
P
LPF
LPF
LPF
To Video
Connector
Ground
(Power Supply
Connector)
VCC
VAA
Schottky Diodes
Schottky Diodes
RF Modulator
75
TRAP
RF
Modulator
ZIN = 1 K
(1)
LPF
22 pF
1.8 μH
270 pF
Bt864A/865A
C9
+
C1
L1
RF MODULATOR
RF
330 pF
GND
To Filter
DAC Output
22 pF
1.8 μH
270 pF
330 pF
Audio
82
RLOAD
RLOAD
RLOAD
RLOAD
GND
VDD
C8
C3
C5
47 μf
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