产品参数
| Place of Origin: Guangdong,China | |||
| Model Number: GDAMP-031-2(4137) | |||
| ITEM | TYPICAL | Q.C LIMIT | TEST CONDITIONS |
| FREQ.RANGE | |||
| FM+VHF I | 47 ~ 108MHz | ||
| VHF III | 174-230MHz | ||
| UHF | 470-862 MHz | ||
| GAIN | |||
| FM+VHF I | 40 dB MIN. | 47 ~ 108 MHz | |
| VHF III | 40 dB MIN. | 174 ~230MHz | |
| UHF | 47 dB MIN. | 470 ~ 862 MHz | |
| REJECTION | |||
| FM+VHF I | 5dB MIN. | 144MHz VS 108 MHz | |
| VHF III | 5dB MIN | 265MHz VS 230 MHz | |
| UHF | 2dB MIN | 406MHz VS 470 MHz | |
| 3dB MIN | 926MHz VS 862 MHz | ||
| GAIN CONTROL | |||
| ATTENUATOR | 18 dB | 16 dB MIN. | 47 ~ 108MHz |
| 18 dB | 16 dB MIN. | 174 ~ 230 MHz | |
| 18 dB | 16 dB MIN. | 470 ~ 862 MHz | |
| SWITCH -10dB | |||
| 10 dB | 7 dB MIN | 47 ~ 108MHz | |
| 10 dB | 7 dB MIN | 174 ~ 230MHz | |
| 10 dB | 7 dB MIN | 470 ~ 862MHz | |
| RETURN LOSS | |||
| -10 dB MIN. | 47 ~ 108MHz | ||
| -10 dB MIN. | 174 ~ 230 MHz | ||
| -10 dB MIN. | 470 ~ 862 MHz | ||
| OUTPUT CAPABILITY | |||
| (1dB COMPRESSION) | 128dBuV | 123dBuV MIN. | AT 61.25 MHz INPUT |
| AT 175.25 MHz INPUT | |||
| AT 475.25 MHz INPUT | |||
| TEST POINT | -30 ± 3dB | ||
| OUTPUT VOLTAGE | |||
| FM+VHF I/VHF III/UHF | 24.5± 1VDC | ||
| CONNECTOR | “ F ” TYPE FEMALE | ALL PORTS | |
| IMPEDANCE | 75 ohms | ALL PORTS | |
| POWER SUPPLY | 100-240VAC / 50/60Hz | ||
