參數(shù)資料
型號(hào): FI1216MK2
廠商: NXP Semiconductors N.V.
英文描述: Desktop video tuner system CCIR B/G
中文描述: 桌面視頻調(diào)諧系統(tǒng)無(wú)線電咨詢委員會(huì)乙/克
文件頁(yè)數(shù): 9/24頁(yè)
文件大小: 148K
代理商: FI1216MK2
1996 Jul 09
9
Philips Components
Preliminary specification
Desktop video tuner
multi system CCIR L/L’ and B/G
FI1216MF MK2
Definitions of test signals
(see Fig.2)
Note
1.
Line 17 and 330 shall always contain a composite video signal (ITS lines).
TEST SIGNAL
FREQ.
(MHz)
AMPLITUDE
MODULATION
VIDEO
AUDIO
A0: unmodulated vision
carrier
A1: L system signal with
video modulation; see note 1
A2: B/G system signal with
video modulation
A3: B/G system signal with
video modulation
480.25
60 dB
μ
V
480.25
60 dB
μ
V
(peak white)
60 dB
μ
V
(top sync)
60 dB
μ
V
100% (sync. level at 0%)
2T pulse and bar
100% (rest carrier 10%)
2T pulse and bar
100% (rest carrier 10%)
15625 kHz horizontal
frequency square wave
480.25
480.25
B1: unmodulated main sound
carrier B/G system
B2: AM modulated sound
carrier L system
B3 FM modulated main
sound carrier B/G system
485.75
13 dB w.r.t. A2
486.75
10 dB w.r.t.
A0 to A1
13 dB w.r.t. A2
m = 0.54; modulation
frequency 1 kHz
1 kHz; modulation frequency
deviation
±
27 kHz;
50
μ
s pre-emphasis
485.75
B4: unmodulated second
sound carrier B/G system
486.10
20 dB w.r.t.
A0 to A1
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FI1216MK2/HM/IEC 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Desktop video tuner system CCIR B/G
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