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CATV:Economic Agile Modulator(Adjacent Channel)

Profile:Manufacturer - Producer|Ref:PSL47627YH | Country: China | Currency: | Export: No

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country : China

Reflection Output Frequency Range 45MHz-870MHz variable
Frequency Accuracy ± 5kHz
Output Level ≥110 dBV
Out of Band Suppression ≥60dBc
Output Impedance 75 Ω
Video to Audio Carrier Ratio -10dB~-20dB
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 50dB
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
Distortion 1 %
Signal to Noise Ratio -60dB
Audio Image Interval According to the TV system standard
Power Supply Voltage 110 ~ 245V
1. Intermediate frequency, twice conversion frequency and with saw filter, low side-band interfere;
2. MCU technique is applied to audio intermediate frequency, video high frequency process and RF local
oscillator, with high frequency stability and accuracy;
3. Integrated circuit is applied to outputs, and each functional circuit of the overall unit adopts SMT technology,
with high stability;
4. LED displays frequency, use up and down button to select channel and frequency;
5. Convenient control, frequency level adjustment was designed on the front panel;
6. High efficiency SMPS;
7. We can offer PAL or NTSC system standard upon customer’s requests.

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