參數(shù)資料
型號(hào): TDA4455
英文描述: Schottky Rectifier; Forward Voltage:0.45V; Forward Current:2A; Repetitive Reverse Voltage Max, Vrrm:20V; Package/Case:DO-220AA; Peak Surge Current:50A
中文描述: 多標(biāo)準(zhǔn)資料表格放大器和鎖相環(huán)解調(diào)器
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 158K
代理商: TDA4455
TELEFUNKEN Semiconductors
TDA4455
Preliminary Information
Rev. A1: 08.05.1995
8 (12)
IF-AGC, Switching Thresholds
93 7645
4.2 V Ultra white level: zero carrier
4.0 V White level: 10 % carrier
2.0 V Sync. peak level: 100% carrier
(charge / discharge threshold)
Figure 12. B/G-standard (neg. modulated)
2.4 V Average discharge threshold
4.0 V Peak level: 100 % carrier
(charge threshold)
2.0 V Sync. peak level :
6 % carrier
1.9 V Ultra black level: zero carrier
93 7646
Figure 13. L-standard (pos. modulated)
Analog:
Luminance Signal
Analog:
Chrominance
Diff.: Signal
Dig.:
Sound
+Sync.
2.0 V Black level: 100 % carrier
(charge threshold)
93 7647
4.1 V Average discharge threshold
4.0 V White level: 10 % carrier
4.2 V DC value: zero carrier
Figure 14. D2MAC-standard (neg. modulated)
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