cxa1700aq Sony Electronics, cxa1700aq Datasheet - Page 45

• Manufacturer Part Number: cxa1700aq
• Description: Luminance And Color Signal Processing For 8mm Vcr
• Manufacturer: Sony Electronics

11. PB Y noise cancellation
When an external HPF is configured as shown below, the standard characteristics of PB Y noise
cancellation are as shown below, depending on the switching of input signal level, mode NCL1/2, external
HPF and NCLP1/2.
1) Changes in frequency characteristics due to the input level
500mVp-p
=0dB
2.37v
EMPH IN
NC TC IN
C
1k
(dB)
VGI
–2
–4
–6
–8
0
10k
11
6
5
CLP
Input frequency (Hz)
LIM
100k
–
+
NCLP1 NCLP2
1M
–3dB
–10dB
–30dB
–20dB
—45—
LPF
NCL1 NCL2
+
–
10M
ATT
NCL 1, 2 = H, H
NCLP 1, 2 = H, H
External HPF (1k /82pF)
CLP
MUTE
DDS
CXA1700AQ/AR
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