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MOD862VSB
TV Modulator VSB
價錢: HK$0
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產品資訊
  • Frequency agile vestigial sideband TV modulators
  • LED display and push buttons control of internal microprocessor
  • Non-volatile channel memory
  • PLL crystal stabilization of carriers frequency
  • Adjustable RF output level and audio input level
  • Loop through RF combining
  • Low level harmonics and intermodulation products
  • Built-in test pattern generator
  • Die-cast housing
  • Connectors: Video/audio - type RCA socket, RF - type F
  • Standards: B/G/D/K/Au/I/L
技術規格
 

General

Video Input  Frequency range 20 Hz - 6 MHz
   Input Interface RCA, 75Ω
Audio Input  Level / impedance 1 V ± 0.1 V/75 Ω
  Frequency range 20 Hz - 15 kHz
  Level adjustment  0 ÷ 7 dB 
RF Output  level / impedance 775 mV / 10 kΩ 
  Level (typical) / impedance 95 dBμV / 75 Ω 
  Level adjustment 0 ÷ -15 dB
  Output channels according channels charts#1 B/G/D/K/Au/I/L 
  Frequency range #1 45-862 MHz 
  Output Interface F-type, 75ohm
Sound Subcarrier Frequency #1 5.5 MHz, 6.0 MHz, 6.5 MHz
Fine Tuning Range of Video Carrier Frequency #1  ± 2.25 MHz max. by 0.25 MHz step
Combining Through Loss  2.5 dB
Frequency Range of RF Combining  45-862 MHz
A/V Ratio #1   12/16 dB
Amplitude Modulation Depth, Typical 81%
Signal / Noise Ratio, Weighted  ≥ 55 dB
II, III order Intermodulation Distortion  < -60 dB
Power Consumption  230 V~ 50/60 Hz 5.5 W
Operating Temperature Range -10°C÷ +50°C
Dimensions  135 x 180 x 52 mm 
Weight (Packed) 0.74 kg 
 
#1 Software control
 
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