SAA7118H NXP Semiconductors, SAA7118H Datasheet - Page 19
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SAA7118H
Manufacturer Part Number
SAA7118H
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7118H.pdf
(177 pages)
Specifications of SAA7118H
Adc/dac Resolution
9b
Screening Level
Commercial
Package Type
PQFP
Pin Count
160
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SAA7118H
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
SAA7118H/V1
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
SAA7118H/V1,557
Manufacturer:
Sigma Designs Inc
Quantity:
10 000
- Current page: 19 of 177
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NXP Semiconductors
SAA7118_7
Product data sheet
Fig 9.
X = system variable
Y = AGV
GUDL = gain update level (adjustable)
VBLK = vertical blanking pulse
HSY = horizontal sync pulse
AGV = actual gain value
FGV = frozen gain value
Gain flow chart
STOP
NO ACTION
FGV > GUDL
+1 / F
0
1
Rev. 07 — 7 July 2008
< 4
> 496
0
Multistandard video decoder with adaptive comb filter
1
+1 / L
ANTI-ALIAS FILTER
0
> 510
ANALOG INPUT
1
AMPLIFIER
GAIN ACCUMULATOR (18 BITS)
VBLK
X = 0
ADC
1 / LLC2
1
1
ACTUAL GAIN VALUE 9-BIT (AGV) [ 3/+ 6 dB ]
AGV
HOLDG
1
0
1
< 1
1
9
X
gain
+1 / LLC2
0
1
GAIN VALUE 9-BIT
X
0
1
0
UPDATE
HSY
LUMA/CHROMA DECODER
0
HSY
1
1 / LLC2
X = 1
DAC
0
1
0
Y
> 510
0
SAA7118
FGV
mhb728
© NXP B.V. 2008. All rights reserved.
+/ 0
0
9
19 of 177
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