參數(shù)資料
型號: tda 6930
廠商: SIEMENS AG
英文描述: Multistandard VIF-PLL(多級標(biāo)準(zhǔn)的VIF-PLL)
中文描述: 多標(biāo)準(zhǔn)資料表格鎖相環(huán)(多級標(biāo)準(zhǔn)的資料表格,鎖相環(huán))
文件頁數(shù): 31/36頁
文件大?。?/td> 822K
代理商: TDA 6930
1.25
Reference
5 - 5
TDA 6930
Wireless Components
Specification, August 1999
Table 5-3 AC/DC Characteristics with T
A
25
°C, V
CC
= 8.5 V (continued)
Symbol
Limit Values
Unit
Test Conditions
L Item
min
typ
max
AGC time constant with L-Standard or Mac Standard
Charge current
I
AGCH
1
mA
V
AGCH
= 2V,
V
TRAPOUT
> 3.0V
Discharge current
I
AGCH
120
nA
V
AGCH
=2V,
V
TRAPOUT
= 2.5V
Discharge current
( under average control )
I
AGCH
100
μ
A
V
AGCH
= 2V,
V
TRAPOUT
< 1.0V
Charge / discharge ratio
AGCH
8300
Envelope - detector AGCs
Voltage range
V
SIFAgcs
0.2
2.9
V
dependant on input
amplitude
Charge / discharge current
±
I
SIFAgcs
1.5
μ
A
V
SIFAgcs
= 1.5 V
Quick charge
I
SIFAgcs
1.5
mA
V
SIFAgcs
= 1.5 V
Video output
Output current
- I
Trapout
0.84
mA
V
AGCM
= Vsync +0.7
V
VIF
=Carrier nomod.
Sync pulse level
V
Trapout
V
Trapout
V
White level
2.75
V
AM output
DC level (L, L’)
V
AMAFout
3.2
3.6
4.0
V
SC
nomod.
DC level (AM inactive )
V
AMAFout
high impedance
DF output
DC level
V
FMDFout
2.8
3.4
4.0
V
Output current
I
FMDFout
2.5
mA
V
FMDFout
=
DC level +0.7V
AFC output
Voltage range
V
AFCout
1V
V
S
-1V
V
Output current
I
AFCout
250
μ
A
V
AFC
= V
cc
/ 2
Voltage at centerfrequency
V
AFCout
V
cc
/
2
V
1:1 V
cc
devider
Slope
I
AFCout
0.7
μ
A/kHz
AFC - adjust
V
SSW2
3
5
V
switch at SSW2:
high impedance
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