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정보통신부 형식승인품(인증번호: T-D11-02-0343)
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- 한국형 STEREO MODULATOR
- 종합 유선방송기술 기준에 의한 형식승인 제품
- DYM-200T는 NTSC 방식으로 영상(AM) 및
음성(FM)신호를 변조하여 지정된 RF신호로 CATV망에 공급하는 가변형
변조기임
- PLL Synthesizer 방식의 주파수
발진 방식을 채택하였으며 spurious 특성이 우수함
- AL HOUSING으로 차폐, 방열 SHIELD 효과가 우수
- 전면에 CH표시 FND가 있어 CH표시 식별이 용이함
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| LIST |
DYM-200T |
REMARK |
INPUT
SPEC |
VIDEO
SIGNAL |
INPUT IMPEDANCE |
75ℓ |
RCA UNBALANCE |
| INPUT LEVEL |
140±51RE |
VIDEO BASE BAND SPEC |
| RETURN LOSS |
30dB MORE |
25Hz~6MHz |
AUDIO
SIGNAL |
INPUT IMPEDANCE |
600±30ℓ UNBALANCE |
RCA |
| INPUT LEVEL |
0±6dBm |
VIDEO BASE BAND SPEC |
| 1ST, 2ND FREQUENCY DEVIATION |
±25KHz, ±27.5KHz |
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OUTPUT
SPEC |
RF |
OUTPUT LEVEL |
50±5dBmV |
VARIABLE |
| 1ST, 2ND AUDIO SIGNAL OUTPUT LEVEL |
-16±1/
-23±1dB |
REFERENCE MARK :
VIDEO CARRIER WAVE |
| IMPEDANCE |
75ℓ |
F CONNECTOR |
| SPURIOUS |
-60dB MORE |
- |
| FREQUENCY STABILITY |
±12KHz WITHIN |
- |
| RETURN LOSS |
16dB MORE |
- |
| OUTPUT FREQUENCY RANGE |
54~750MHz |
VARIABLE |
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| LIST |
DYM-200T |
REMARK |
VIDEO
SIGNAL
SPEC |
FREQUENCY SPEC |
±1dB WITHIN |
25Hz~4.2KHz |
CHROMATICITY VS
BRIGHTNESS SPEC |
GAIN SPEC |
±5 IRE WITHIN |
- |
| DELAY SPEC |
±40ns WITHIN |
- |
| LINEAR WAVE DISTORTION |
FIELD TIME DISTORTION |
1% WITHIN |
- |
| LINE TIME DISTORTION |
2% WITHIN |
- |
| SHORT TIME DISTORTION |
3%SD WITHIN |
- |
NONLINEAR
DISTORTION |
DIFFERENTIAL GAIN |
3% WITHIN |
- |
| DIFFERENTIAL PHASE |
2 DEGREE WITHIN |
- |
| S/N |
60dB WITHIN |
- |
AUDIO
SIGNAL
SPEC |
FREQUENCY SPEC |
±1dB WITHIN |
50Hz~15KHz |
| HARMONICS DISTORTION |
0.5% WITHIN |
- |
| S/N |
60dB MORE |
- |
LEFT, RIGHT
ISOLATION |
DUAL |
55dB MORE |
- |
| STEREO |
30dB MORE |
- |
| POWER |
220V 60Hz |
| SIZE(mm) |
W:483 x D:377 x H:44 | |
