Bộ Điều Chế AV-RF WAM-880SL
RF | |
Output Frequency Range | 47~860 MHz Adjustable |
Output Level | ≧60dBmV |
Output Level Range | 15dB, Continuously Adjustable |
V/A Carrier Power Ratio | 15/20dB Selection (+/-2dB) |
Spurious Harmonics | 60dB typical |
Output Impedance | 75Ω |
Frequency Accuracy/Stability | Within ±5KHz (Meets F.C.C. Socket 21006 specs) |
Video Modulation Depth Indicator | Set @87.5%, Adjustable to 90% Typical |
C/N ratio In Channel | ≧-62dB |
C/N out of Band | 60dB typical |
VIDEO | |
Input Level | 1.0Vp-p (Load) |
Input type | F-type, Composite Video Negative Sync |
Video Frequency Response | ±1dB |
Modulation (Set @87.5%) | 0~95% Adjustable with over modulation Indicator |
Input Impedance | 75Ω |
Video Signal S/N Ratio | Typical 60dB |
AUDIO | |
Input Level | 1Vp-p for ± 30KHz Dev |
Input type | F-type, Composite Audio |
Audio Frequency |
NTSC: 4.5±5KHz above Video
PAL-D: 6.5 ± 5KHz above Video
PAL-B: 5.5MHz ± 5k above Video
PAL-I: 6.0 ± 5KHz above Video
|
Audio Frequency Response | ±1dB |
Input impedance | Hi impedance |
Pre-emphasis | 50 μSec, 75 μSec (NTSC) |
BTSC Stereo/Mono (NTSC only) | Field Defeat Audio Pre-emphasis for BTSC Baseband Input |
Modulation | ~25KHz±2KHz adjustable with over modulation Indicator |
GENERAL | |
Power Requirement | 90~260V AC 50/60Hz |
Temperature Range | 0~50°C |
Rear Panel Connectors | F type for Video/Audio In, RF out |
Dimensions | 19”(L)x8.1”(W)x1.75”(H) |
Packing | 1 Set/Inner Box , 5 Set/Carton/11kgs/2.8 cuft |
Bộ Điều Chế AV-RF WAM-880SL