參數(shù)資料
型號: TDA9725
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Y/C automatic adjustment processor VHS standard
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP52
封裝: 0.600 INCH, PLASTIC, SOT-247-1, SDIP-52
文件頁數(shù): 23/44頁
文件大?。?/td> 337K
代理商: TDA9725
1996 Oct 14
23
Philips Semiconductors
Product specification
Y/C automatic adjustment processor
(VHS standard)
TDA9725
LUMINANCE FILTER CHARACTERISTICS
Table 7
Low-pass filter 4.43 MHz; frequency response pin 43 to pin 3 (test mode)
Table 8
Sub-low-pass filter; frequency response from FM demodulator to pin 9
Sensitivity
Table 9
Sensitivity of PB APC (multiplication factor for phase detector sensitivity)
Notes
1.
2.
No alternating reference for APC loop.
Comb filter is inside the APC loop.
Burst down logic
Table 10
Burst down logic
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
REC
G1
G2
G3
t
d
frequency response 1
frequency response 2
frequency response 3
group delay 1
G(2 MHz)/G(0.2 MHz)
G(3 MHz)/G(0.2 MHz)
G(4.43 MHz)/G(0.2 MHz)
f
i
= 0.2 MHz
1.0
2.5
710
+0.5
1.0
40
750
+1.5
+0.5
30
790
dB
dB
dB
ns
SYMBOL
G1
G2
PARAMETER
CONDITIONS
MIN.
4.5
TYP.
2
25
MAX.
UNIT
frequency response 1
frequency response 2
G(3 MHz)/G(0.2 MHz)
G(6 MHz)/G(0.2 MHz)
0
15
dB
dB
PROGRAM
PAL
NTSC/NAP
NTSC4.4
SP
LP
SP
LP
EP
SP
LP
EP
NORM
TRICK
2
2
1
(2)
1
(1)(2)
2
(1)(2)
2
(1)(2)
2
(1)(2)
2
(1)(2)
2
(1)(2)
2
(1)(2)
4
(1)
2
(1)(2)
2
(1)(2)
2
(1)(2)
2
(1)(2)
2
(1)(2)
MODE
SYSTEM
BURST DOWN
ON (
5.0 dB)
OFF
ON (
4.0 dB)
OFF
OFF
Playback
NTSC
SP
LP
EP
PAL
SECAM
相關PDF資料
PDF描述
TDA9800 VIF-PLL demodulator and FM-PLL detector
TDA9800T VIF-PLL demodulator and FM-PLL detector
TDA9801 Single standard VIF-PLL demodulator and FM-PLL detector
TDA9801T Single standard VIF-PLL demodulator and FM-PLL detector
TDA9802 Multistandard VIF-PLL demodulator and FM-PLL detector
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