Shenzhen Dingshengwei Electronics Co.Ltd

Country of Origin:

• China (mainland)

Key Specifications/Special Features:

• Features:
  • Intermediate frequency, twice conversion frequency and with SAW filter, low side-band interfere
  • MCU technique is applied to audio intermediate frequency, video high frequency process and RF local oscillator, with high frequency stability and accuracy
  • Integrated circuit is applied to outputs, and each functional circuit of the overall unit adopts SMT technology, with high stability
  • LED displays frequency, using up and down button to select channel and frequency
  • Convenient control, frequency level adjustment is on front panel
  • High efficiency SMPS
  • We can offer PAL or NTSC system standard upon customer?s requests
• Specifications:
  • Reflection output frequency range: 45-870MHz
  • Frequency accuracy: ? 5KHz
  • Output level: 113dB V (550MHz) 110 dB V (550MHz)
  • Out of band suppression: ?60dB
  • Side-band suppression: ?65dB
  • Output impedance: 75?
  • Video to audio carrier ratio: -10dB - 10dB
  • Video frequency input level: 0.6 to 1.5Vp-p
  • Input impedance: 75?
  • Input reflection: 30dB min
  • K coefficient: 4 % Max . (2T pulse)
  • Video S/N: 50dB
  • C/L delay: 40nsec
  • Frequency response: ? 1dB (25Hz , 5.8MHz)
  • Differential gain: ?4% (modulation 87.5)
  • Differential phase: ?4?
  • Audio frequency input level: -10 to 10dBm
  • Input impedance: 10K? min
  • Frequency response: ? 1dBmax (40Hz, 15KHz)
  • Distortion: 0.1 %
  • Signal to noise ratio: -60dB
  • Audio picture interval according to the style
  • Power supply: AC 100-250V

  Main Export Markets:

  • Eastern Europe
  • North America
  • Mid East/Africa
  • Central/South America
  • Asia
  • Western Europe
  • Australasia