Asahi KASEI AKD4709-A, Руководство пользователя

Страница: 13 / 28

ASAHI KASEI [AKD4709-A]
<KM103002> 2011/06
„ Video
[Measurement condition]
•
Signal Generator : Sony Tectronix TG2000
•
Measurement unit : Sony Tectronix VM700T
•
Power Supply : VP=12V, VD1=3.3V, VD2=3.3V, VDD1=3.3V, VDD2=3.3V
•
Interface : Input: BNC, Output: BNC
•
Temperature : Room
•
Measurement signal line path: S/N: ENCV
→
TVVOUT
Y/C Crosstalk: ENCV
→
TVVOUT, ENCRC
→
TVRC
DG, DP: ENCV
→
TVVOUT
Parameter Input Signal Measurement Filter Results Unit
S/N 0% Flat Field BW=15kHz to 5MHz
Filter=Uni-Weighted
76.2 dB
Y/C Crosstalk
(Measured at TVVOUT)
100% Red Field
(Y Æ ENCV, C Æ ENCRC)
BW=15kHz to Full -59.5
(Note1)
dB
DG Modulated 5 step Min: -0.36
Max: 0.00 %
DP Modulated 5 step Min: -0.95
Max: 0.28 deg.
Plots
Figure 2-1. Noise spectrum (Input=0% Flat Field, BW=15kHz to 5MHz, Filter=Uni-Weighted)
Figure 2-2. Y/C Crosstalk (Measured at TVVOUT, Input= 100% Red, ENCV=Y, ENCRC=C), BW=15kHz to Full)
Figure 2-3. DG, DP (Input= Modulated 5 step)
(Note1) Y/C Crosstalk: Reference Measurement: Results: 1.7dB (p-p)
Composite signal
Æ
ENCV, no input
Æ
ENCRC, TVRC is terminated by 75Ohm.
Y/C Crosstalk: Measurement: Results: -57.8dB (p-p)
Y Æ ENCV, C Æ ENCRC, TVRC is terminated by 75Ohm.
Y/C Crosstalk calculation: -57.8dB (p-p) – 1.7dB (p-p) = -59.5dB (p-p)
- 13 -