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CATV: Luxurious Fixed Channel Modulator

Profile:Manufacturer - Producer|Ref:PSL47626YH | Country: China | Currency: | Export: No

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country : China

Reflection Output Frequency Range 45-870MHz
Frequency Accuracy ± 5KHz
Output Level 113 dBV(550MHz)110 dBV(550MHz)
Out of Band Suppression ≥ 60dB
Side-band Suppression ≥ 65dB
Output Impedance 75 Ω
Video to Audio Carrier Ratio -10dB ~ 10dB
Frequency input level 0.6 ~ 1.5Vp-p
input impedance 75 Ω
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 °
frequency input level -10 ~ 10 dBm
input impedance 10KΩ min
frequency response ± 1dBmax(40Hz  15KHz)
distortion 0.5 %
signal to noise ratio -60dB
audio picture interval 4.5MHz
Power Supply voltage 110V10 AC
1. Intermediate frequency, high functional index; being processed with 3 SAW filters;
2. PLL technique is applied to audio and RF local oscillator,high frequency stability and
high accuracy;
3. Adopt MMIC circuits on some key parts and SMT technology is applied to the overall unit.;
4. LED display;
5. Adopt screw filters for output;
6. Intermediate frequency input and output ports;
7. With high security and h stability in hight temperature;
8. Output level adjustment and A/V adjustment was designed on the front panel;
9. NTSC type stereo function.

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