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3. high frequency signal source rf signal source 0 5 470mhz 0 5mhz 470mhz fm frequency modulation intercom sensitivity test sensor

high frequency signal source rf signal source 0 5 470mhz 0 5mhz 470mhz fm frequency modulation intercom sensitivity test sensor

Техническое описаниеОсновныеДиапазон частот TX (Frequency Range TX): 136-174MHZ (FM) / 400-512MHZ (FM)Диапазон частот RX (Frequency Range RX): 76-108MHZ (FM) / 108-136MHZ (Air ground) / 136-180MHZ (FM) / 230-250MHZ (FM) / 350-400MHZ (FM) / 400-512MHZ (FM) / 700-985MHZ (FM)Шаг частоты (Step): 2.5KHz / 5KHz / 6.25KHz / 10KHz / 12.5KHz / 25KHz / 50KHz / 100KHzКоличество каналов (Channel Number): 999Напряжение питания (Voltage / Power Supply): 7.4 ВольтаДиапазон рабочих температур (Operating Temperature): от -20℃ до +40℃Импеданс антенны (Antenna Impedance): 50 ΩМасса (Weight): 0,490 кгПриёмник (Receiver)Избирательность по соседнему каналу (Adjacent Channel Sel.): ≦ 70 dBИнтермодуляция (Inter Modulation): ≦ 65 dBИзбирательность по побочному каналу (Spurious Response): ≦ 70 dBЧувствительность звука (Audio Response): +1～-3 dB (0.3～3 KHz)Отношение сигнала к шуму (Signal to Noise Ratio): ≧45 dBИскажение звука (Audio Distortion): ≦5%Мощность звука (Audio Power): ≦500 mWЧувствительность приёмника (Sensitivity): 108-136 MHz (AM) -106.0 dbm SN 13dB / 136-180 MHz -119.0 dbm SINAD 13dB / 230-250 MHz -116.0 dbm SINAD 13dB / 350-400 MHz -119.0 dbm SINAD 13 dB / 400-512 MHz -119.0 dbm SINAD 13dB / 700-986 MHz -96.0 dbm SINAD 12dBПередатчик (Transmitter)Тип модуляции (Type of Modulation): 16K F3EИзбирательность по соседнему каналу (Adjacent Channel Power): ≧70 dBИзбирательность по побочному каналу (Spurious Response): ≧60 dBЧувствительность звука (Audio Response): +1 ～ -3 dB (0.3 ～3 KHz)Максимальное отклонение частоты (Max Frequency Deviation): ±5 KHzУстойчивость частоты (Frequency Stability): ±2.5 ppmИскажение звука (Audio Distortion): ≦5%Мощность передатчика (Output Power): VHF - Hight 5W, Medium 2W, Low 1W / UHF - Hight 4W, Medium 2W, Low 1W

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