saa4996h NXP Semiconductors, saa4996h Datasheet - Page 19

• Manufacturer Part Number: saa4996h
• Description: Motion Adaptive Colour Plus And Control Ic Macpacic For Palplus
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 2 Measured Helper Noise in Zero (MHNZ)
Table 3 State machine output
Notes
1. No helper amplitude reduction.
2. Helper amplitude reduction via LUT of about 50%.
3. Helper signal zero.
1996 Oct 28
MHNZ < HlpRedThr1
HlpRedThr1
HlpRedThr2
HlpRedThr3
HlpRedThr4
HlpRedThr5
STATE MACHINE OUTPUT
Motion Adaptive Colour Plus And Control
IC (MACPACIC) for PALplus
4
3
2
1
0
MHNZ < HlpRedThr2
MHNZ < HlpRedThr3
MHNZ < HlpRedThr4
MHNZ < HlpRedThr5
MHNZ
MHNZ
handbook, halfpage
REDUCE HELPER BANDWIDTH (RHB)
Fig.8 Helper bandwidth and amplitude reduction.
state machine
output
4
3
2
1
0
0 (2.2 MHz LPF)
1 (1.0 MHz LPF)
1 (1.0 MHz LPF)
2 (0.5 MHz LPF)
2 (0.5 MHz LPF)
STATE MACHINE (OLD)
19
<4
<3
<2
X
4
0
X
3
2
1
Measured Helper
Noise (MHN)
REDUCE HELPER AMPLITUDE (RHA)
MHA295
STATE MACHINE (NEW)
2; note 1
1; note 2
0; note 3
Preliminary specification
2
1
SAA4996H
4
4
3
3
2
2
1
1
0
0