SAA4956TJ/V2,512 NXP Semiconductors, SAA4956TJ/V2,512 Datasheet - Page 11

• Manufacturer Part Number: SAA4956TJ/V2,512
• Manufacturer: NXP Semiconductors

Specifications of SAA4956TJ/V2,512

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Philips Semiconductors
7.2
1998 Dec 08
handbook, full pagewidth
2.9-Mbit field memory with noise reduction
Switch position is off.
I
chroma_inverted
I
2
2
Cadapt_gain
C-bus control:
C-bus control:
Noise reduction function
DPCMin
I
2
C-bus control:
unfiltered
ABS/LIMITER
LOW-PASS
AVERAGE
FILTER 2
LUT
U/V
REFORMATTER
D2 (U0) , D3 (U1)
D0 (V0) , D1 (V1)
LOW-PASS
I
I
data input
FILTER 1
2
2
noise_shape
C-bus control:
C-bus control:
DPCMout
Kchroma
Kchromafix
Kluma
new U/V
delta U/V
4
LF delta U/V
I
Klumatochroma
2
chromafix and
C-bus control:
Fig.3 Block diagram of noise reduction.
D0 (V0) , D1 (V1)
D2 (U0) , D3 (U1)
NOISE SHAPE
FORMATTER
D to memory
processed U/V
delta
4
U/V
HF
REFORMATTER
D2 (U0) , D3 (U1)
D0 (V0) , D1 (V1)
D-field delay
old U/V
I
4
2
Yadapt_gain
C-bus control:
11
I
2
C-bus control:
unfiltered
ABS/LIMITER
LOW-PASS
FILTER 2
LUT
D11 (Y7) to D4 (Y0)
LOW-PASS
I
data input
FILTER 1
2
noise_shape
C-bus control:
Klumafix
Kluma
new Y
delta Y
8
LF delta Y
I
2
C-bus control:
lumafix
D11 (Y7) to D4 (Y0)
NOISE SHAPE
D to memory
Preliminary specification
SAA4956TJ
processed Y
delta
8
HF
D11 (Y7) to D4 (Y0)
Y
D-field delay
MGR689
old Y
8