4 Channels Separated Agile RF Modulator
I. Features:
1.4 audio/video inputs, one RF output and four skipped channel output.
2.Intermediate frequency, twice conversion frequency and with SAW filter, low side-band interfere.
3.MCU technique is applied to audio intermediate frequency, video high frequency process and RF local oscillator, with high stability and accuracy.
4.Integrated circuit is applied to outputs, and each functional circuit of the overall unit adopts SMT technology, with high security.
5.LED display frequency, using up and down button to select any preference frequency.
6.Convenient control, all frequency level adjustments on front panel.
7.High efficiency power supply.
8.We can make different TV system standard according to the customer’s need.
II. Specifications:
A. RF:
1.Output Frequency Range 47~860MHz
2.Frequency Accuracy ±5kHz
3.Output Level 105dBuV
4.Out of Band Suppression -60dB max
5.Output Impedance 75Ω
6.Output Reflection 12dB min in any frequency
7.Video to Audio Carrier 18± 2dB
B. Video Frequency:
1.Input Level 0.6~1.5Vp-p
2.Input Impedance 75Ω
3.Input Reflection 30dB min
4.Noise Signal Ratio -60dB
5.C/L Delay 40nsec
6.Frequency Response ± 1dB
7.Differential Gain ± 4% (modulator 87.5%)
8.Differential Phase ± 4% (modulator 87.5%)
C. Audio Frequency:
1.Input Level -10~10 dBm
2.Input Impedance 10K Ω min
3.Frequency Response ±1dB
4.Distortion 1%
5.Signal to Noise Ratio -60dB
6.Audio and Video Difference Accoring to the TV System standard
D. Power Supply
1.Voltage 110~245V
2.Power Supply Watt Loss 15W max
E. Physical Parameter:
1.Dimension 440mm length x 126mm width x 44mm height
2.Weight 8kg Max.
F. Controlling Temperature:
1.Storage Temperature -20°c---+70 °c
2.Working Temperature 0 °c---+45 °c
1PCS/Inner Box, Standard Carton
Express(DHL, UPS, Fedex, TNT, EMS...), Air, Sea
1-year; If there is no man-made problem, we will replace or repair for your freely.