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PDF TDQ-6A Data sheet ( Hoja de datos )
| Número de pieza | TDQ-6A | |
| Descripción | Desktop Video & FM Radio tuner system | |
| Fabricantes | SHILIXIN | |
| Logotipo |  |
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SHENZHEN SHILIXIN
ELECTRONICS CO., LTD.
PRODUCT
SPECIFICATION
MODEL
TDQ-6A
PAGE
1
DESCRIPTION
B/G,D/K,I,M/N
TDQ-6A
FOR RF IN THE PC MULTI-MEDIA ENVIRONMENT
Desktop Video &FM Radio
CUSTOMER APPROVAL
A
REV.
Original Release
DESCRIPTION
Desktop Video tuner system
DESCRIPTION
B/G,D/K,I,M/N
APPROVAL
DATE
DATE
SIGN
CHECK
DESIGN
DATE
DATE
DRAWING NO.
REVISIONS
1.0
PAGES TOTAL
20
1 page  
SHENZHEN SHILIXIN
ELECTRONICS CO., LTD.
PRODUCT
SPECIFICATION
MODEL
TDQ-6A
PAGE
5
DESCRIPTION
B/G,D/K,I,M/N
NO
ITEM
Test
Point
MIN
TYPE
MAX
UNIT
CONDITION
NOTES
3．2
Video amplitude drop with respect to
modulation 0.1 MHz at Temp=45℃
At 1MHz
At 2MHz
At 3MHz
At 4MHz
At 4.43MHz
3．3 Sound carrier rejection
-1.0
1 -1.5 --
-2.5
-3.0
-7.0
1 40 --
+1.0
+1.5 dB
+1.5
+2.0
+3.0
-- dB
3．4 CVBS S/N(outweighed)
1 44 -- -- dB
3．5
Gain limited sensitivity
reduction of Video output
at
1dB
1
--
--
30 dBμ V
3．6
Audio characteristics:
AF output level measured via LP
20KHz filter
RMS detector 50 us de-emphasis
THD measured via LP 20KHz filter
RMS detector 50 us de-emphasis
S/N measured via filter peak
detector 50 us de-emphasis
2
0.25 0.35 0.5
-- -- 0.5
44 --
--
V
%
dB
AF 3dB response measured via LP
3．7 20KHz filter RMS detector 2 16 --
de-emphasis off
-- KHz
3．8 AM suppression ratio
2 40 -- -- dB
4． Digital AFC Status
Parameter
Conditions
Input voltage at ADC:0.00 to 0.15 Vs
Frequency
(KHz)
-125
Digital
read-out
00
ADC word at I2C bus Input voltage at ADC :0.15 to 0.30 Vs
-62.5
01
During read operation Input voltage at ADC:0.30 to 0.45 Vs
0
02
Input voltage at ADC:0.45 to 0.60 Vs
+62.5
03
Input voltage at ADC:0.60 to 1.00 Vs
+125
04
5． Application information (I2C -bus date format)
A detailed description of the I2C -bus specification with application, is gives in brochure “the
I2C -bus and how to use it”,
5 Page 
SHENZHEN SHILIXIN
ELECTRONICS CO., LTD.
PRODUCT
SPECIFICATION
MODEL
PAGE
TDQ-6A `11
DESCRIPTION
B/G,D/K,I,M/N
6.2.2 DATA BYTE FOR SWITCHING MODE
Table 9 Bit description of SAD register for switching mode(SAD=00)
BIT VALUE DESCRIPTION
7 Output port2 for SAW switching or monitoring
1 High-impedance, disabled or HIGH
0 Low-impedance, active or LOW
6 Output port 1 for SAW switching or external input
1 High-impedance, disabled or HIGH
0 Low-impedance, active or LOW
5 Forced audio mute
1
0
On
Off
4 and 3
TV standard modulation
00 Positive AM TV(for positive AM TV choose 6.5MHz for second SIF)
01 FM
10 Negative FM TV
11 FM
2 Carrier mode
1
0
QSS mode
Inter carrier mode
1 Mute of FM AF outputs
1
0
Active
Inactive
0 Video mode(sound trap)
1
0
Sound trap bypass
Sound trap active
6.2.3 DATA BYTE FOR ADJUST MODE
Tabe 10 Bit description of SAD register for adjust mode(SAD=01)
BIT VALUE DESCRIPTION
7 Audio gain
1
0
-6Db
0dB
6 De-emphasis time constant
1
0
50us
75us
5 De-emphasis
1
0
On
off
4to0 Tuner takeover point adjustment
See Table 11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TDQ-6A.PDF ] | |
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