參數(shù)資料
型號(hào): HA11560T
廠商: Hitachi,Ltd.
英文描述: Mini-Coax Crimp Tool Die; For Use With:Paladin Tools CrimpALL 8000 & 1300 Series Crimper; SMA, SMB BNC/TNC, Mini-UHF, Mini-59 , RG58, RG174, small coax & Belden 1855A RoHS Compliant: Yes
中文描述: 錄像機(jī)/可變數(shù)據(jù)印刷射頻調(diào)制器
文件頁數(shù): 5/10頁
文件大?。?/td> 60K
代理商: HA11560T
Block Operation Descriptions
The following describes the operation of each
block and external circuits.
Video Clamp
The video clamp circuit employs a sync peak value
clamp. Input impedance is at a level of
approximately 30 k
to reduce compression of the
sync pulse. Note that sag is generated in the sync
pulse when a capacitor of 0.47 μF or lower is used
for C10 at pin 16.
Figure 1 Video Input Circuit
White Clip Circuit
The white clip level is set to 92.5%. A circuit that
produces a sharp white clip is used in order to
produce high linearity characteristics for the video.
Increasing the white clip frequency characteristic
by another 5 MHz eliminates video carrier cutoff
by the chroma signal and prevents deterioration of
audio buzz characteristics.
Figure 2 White Clip Characteristics
16
White clip
circuit
Video in
C10
1 μF
+
HA11560
white clip
characteristics
Normal
white clip
characteristics
White clip level
5
HA11560FP/T
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