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CATV:Luxurious Agile Channel Modulator (PAL-BG Stereo)

Profile:Manufacturer - Producer|Ref:PSL47629YH | Country: China | Currency: | Export: No

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country : China

Reflection Output Frequency Range 47MHz-870MHz variable
Frequency Accuracy ± 5kHz
Output Level ≥115 dBV
Out of Band Suppression ≥60dBc max.
Output Impedance 75 Ω
Input Reflection 12dB min. in any frequency
Video to Audio Carrier Ratio 18 ± 2dB
Video Frequency Input Level 0.6 ~ 1.5Vp-p
Input Impedance 75Ω
Input Reflection 30dB min
K Coefficient 4 % max ( 2T pulse )
Video S/N 60dB
C/L Delay 40nsec
Frequency Response ± 1dB
Differential Gain ± 4 % ( modulator 87.5 % )
Differential Phase ± 4° ( modulator 87.5 % )
Audio Frequency Input Level -10 ~ 10 dBm
Input Impedance 10KΩ min.
Frequency Response ± 1dB max. ( 40Hz ~ 15kHz )
Distortion 1 %
Signal to Noise Ratio -60dB
Audio Image Interval according to the TV system standard
Power Supply Voltage 110 ~ 245V
Power Consumption 15W max.
Dimensions 440(L)* 212(W) * 44(H) (mm)
Weight 3kg max.
Working Temperature 0°C + 45°C
1.High quality SAW filter process, low noise figure can avoid system CNR worse; suitable for professional
CATV system;
2. Intermediate frequency modulated and adopt 3 SAW filters, low spur out of band;
3. Audio intermediate frequency process, high frequency video process. MCU technique is applied to audio and
local oscillator to ensure high performance and stability;
4. Adopt modularization for output impulse and SMT technology is applied to MMIC circuit to ensure the unit
in high reliability. IF input and output port for further operation;
5. LCD displays frequency, use up and down button to select channel or frequency;
6. Convenient control, frequency level adjustment was designed on the front panel; output level, A/V,
volume and video index all adjusted by 32 steps variable respectively;
7. Intermediate frequency input and output port;
8. High efficiency SMPS;
9. PAL-BG stereo, dual mode and single mode optional.

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