LKM750-1 Broadcasting Intermediate Frequency Modulator
description :
LKM750 I adjacent frequency modulators correspond to Category-I Technical Index of the state respectively. Users may choose a suitable one according to their need. Modulate video and audio signals to 38MHz and 31.5MHz respectively. In order to make the image modulation depth is more than 87.5% and the inter-modulation index, a loop-type mixer is adopted. Moreover, the A/V ratio, video and sound modulation degree are adjustable so as to the modulator is in the optimal state when different signal sources appear.
A phase-locked loop (PLL) is available for the sound 6.5MHz±1KHZ so that the sound frequency stays stable and accurate and the sound is clear and will not change as the temperature changes.
PLL is used for local oscillator of frequency converter so that the image frequency stays stable and accurate.
A saw filter is used to filter waves of intermediate frequency so that the out-band is below 60dB.
Channels can be displayed on the nixie-tube LED. The output power level is adjustable between 0 and 20dB. Output (RF) is 113 dBμV or 110 dBμV.
It has a 19 standard enclosure made from aluminum alloy materials, beautiful and durable.
Chengdu LIKE Electronics Co., Ltd.
Founded in early 1990s, Chengdu LIKE Electronics Co., Ltd. (LIKE) is a high-tech entity specializing in manufacturing cable TVs, broadband and network transmission equipment.
LIKE's...
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LKM750-2 Intermediate...PLL is used for local oscillator of frequency converter so that the image frequency stays stable and accurate.
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Digital MMDS Down...Adopting up-to-date professional devices, LIKE can realize optimal low-noise effect and salability.
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TapParameters 6-way 8-wayFreq. Range Dimension and weight
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LKM750-3 Standard...PLL is used for local oscillator of frequency converter so that the image frequency stays stable and accurate.
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LKM750-3 Standard...Place of Origin: China Sichuan Model Number: LKM750-3 Brand Name: LIKE
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LK12(18) Head-end...Place of Origin: China Sichuan Model Number: LK-12(18) Brand Name: LIKE
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LKM550-1000...1. Video input range 1Vp-p(all TV signals, positive polarity)) 2. Video input impedance 75 lotus socket
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Optical ReceiverModel Number:LKOR71SAA · Optical input reflection loss: ≥45dB · AGC range: ±3 to ±0.5dB (PF: 495.25MHz)
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Trunk AmplifierReverse transmission is amplified by a special high-power module. The maximum working gain is 18dB.
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LK12(18) Head-end...12 and 18 output available . 19-inch standard enclosure.
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Contact Information
- Contact Person :
- Mr. Li Gangping
- Company :
- Chengdu LIKE Electronics Co., Ltd.
- Address :
- No.324,Section 3,JiansheRoad ,chengdu,Sichuan,China
- Zip/Postal :
- 610051
- Telephone :
- 86-028-83281487
- Fax :
- 86-028-83255411
- Mobile :
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