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CATV: Mini Agile Channel Modulator

Profile:Manufacturer - Producer|Ref:PSL48005YH | Country: China | Currency: | Export: No

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country : China

Reflection Output Frequency Range 45MHz-870MHz variable
Frequency Accuracy ± 5kHz
Output Level 105dB V
Side-band Suppression ≥ 60dB
Output Impedance ≥ 60dB
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
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
Distortion 1 %
Signal to Noise Ratio -60dB
Audio Image Interval according to TV system standard
Power Supply Voltage DC12V/260mA
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. We can offer PAL or NTSC system standard upon customer’s requests.

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