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Dingshengwei Electronics Co., Ltd.
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Economy Fixed Channel Modulator (Adjacent Channel) |
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 Click to enlarge image
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 Model Number |
SK-963A |
Features
1. High frequency process.
2. Be processed with 1 saw filters.
3. PLL technique is applied to audio and RF local oscillator，
high frequency stability and high accuracy.
4. MMIC circuits are on key parts and SMT technology is applied to the overall unit.
5. Digital displays channel number.
6. Output adopts screw filters.
7. 19 inch standard housing.
8. High capability and competitive price.
9. Output level adjustment and A/V adjustment on front panel.
10. We can make different channels according to the customer requests.
Specifications
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reflection
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output frequency range
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45-220MHz
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frequency accuracy
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±5KHz
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output level
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113dBmV
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out of band suppression
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³60dB
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output impedance
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75W
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video
frequency
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input level
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0.6 ~ 1.5Vp-p
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input impedance
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75W
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input reflection
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30dB min
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K coefficient
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4% max（ 2T pulse）
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video s/n
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50dB(no emphasis)
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C/L delay
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40nsec
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frequency response
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±1dB（ 25Hz ~ 5.8MHz）
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audio
frequency
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input level
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-10 ~ 10 dBm
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input impedance
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10KW min
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frequency response
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±1dB max（40Hz ~ 15KHz）
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distortion
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0.5%
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signal to noise ratio
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-60dB
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audio image interval
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according to the TV system Standard
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power supply
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voltage
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220Vac±10%
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