參數(shù)資料
型號(hào)： 935257900557
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL ENCODER, PQCC84
封裝： PLASTIC, SOT-189-2, LCC-84
文件頁數(shù)： 8/42頁
文件大?。?/td> 289K
代理商： 935257900557
1996 Jul 08
16
Philips Semiconductors
Preliminary specication
Digital Video Encoder (EURO-DENC)
SAA7182; SAA7183
Table 10 Subaddress 5B and 5D
Notes
1. GAINU =
2.17 × nominal to +2.16 × nominal.
2. GAINU =
2.05 × nominal to +2.04 × nominal.
Table 11 Subaddress 5C and 5E
Notes
1. GAINV =
1.55 × nominal to +1.55 × nominal.
2. GAINV =
1.46 × nominal to +1.46 × nominal.
Table 12 Subaddress 5D
Notes
1. Output black level/IRE = BLCKL
× 25/63 + 24; recommended value: BLCKL = 60 (3CH) normal.
2. Output black level/IRE = BLCKL
× 26/63 + 24; recommended value: BLCKL = 45 (2DH) normal.
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
GAINU
variable gain for Cb signal;
input representation
accordance with
“CCIR 601”
white-to-black = 92.5 IRE(1)
GAINU = 0
output subcarrier of U contribution = 0
GAINU = 118 (76H)
output subcarrier of U contribution = nominal
white-to-black = 100 IRE(2)
GAINU = 0
output subcarrier of U contribution = 0
GAINU = 125 (7DH)
output subcarrier of U contribution = nominal
nominal GAINU for
SECAM encoding
value = 106 (6AH)
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
GAINV
variable gain for Cr signal;
input representation
accordance with
“CCIR 601”
white-to-black = 92.5 IRE(1)
GAINV = 0
output subcarrier of V contribution = 0
GAINV = 165 (A5H)
output subcarrier of V contribution = nominal
white-to-black = 100 IRE(2)
GAINV = 0
output subcarrier of V contribution = 0
GAINV = 175 (AFH)
output subcarrier of V contribution = nominal
nominal GAINV for
SECAM encoding
value =
129 (17FH)
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BLCKL
variable black level; input
representation accordance
with
“CCIR 601”
white-to-sync = 140 IRE(1)
BLCKL = 0
output black level = 24 IRE
BLCKL = 63 (3FH)
output black level = 49 IRE
white-to-sync = 143 IRE(2)
BLCKL = 0
output black level = 24 IRE
BLCKL = 63 (3FH)
output black level = 50 IRE
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