Электронная коммерция 4 способа ajacent модулятор fm тюнер
Электронная коммерция 4 способа ajacent модулятор fm-тюнер
Электронная коммерция 4 способа ajacent модулятор fm-тюнер
Электронная коммерция 4 способа ajacent модулятор fm-тюнер
Электронная коммерция 4 способа ajacent модулятор fm-тюнер

Электронная коммерция 4 способа ajacent модулятор fm тюнер

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Product Overview

Description



Product Description




Specification


RF
Pre-emphasis: 50μs
Output frequency: 45…870 MHz
Flatness (40Hz …15kHz): ≤±1.5 dB
Nominal output level: ≥50dBmV
Distortion(fm=1kHz;△f=50kHz): ≤1%
Output impedance: 75Ω
S/N ratio: ≥60 dB
A/V RATIO: -10 … -20 dB
Carrier frequency tolerance: ≤5 kHz
Carrier frequency distance tolerance: ≤100 Hz
Spurious in band: ≤-60 dB
Output level adjustment: 0 … -20 dB
Side-band Suppression: ≥65 dB
C/N ratio in channel: ≥60 dB
Video
General
Input level: 0.7…1.4 VPP
Supply voltage: AC100…250V
Input impedance: 75Ω
Consumption: 30 W
Input return loss: ≥20 dB
Operating temperature: -10 … ＋55℃
Modulation depth: 87.5%
Video,audio connector type: “RCA”
Differential gain: ≤5%
RF connector type: “F”
Differential phase: ≤5 o
Outside dimensions(h×w×d): 483×130×44mm
Flatness in band: ≤±1.5 dB
Packed weight: 2.5 kg
Cr/L delay: ≤60 ns
Weighted S/N ratio: ≥60 dB
Audio
Input level: 0.775V±10 dB
Input impedance (unbalance): 10kΩ
Adjustable peak deviation: ±50 kHz


Feature


⊙Base-band video and audio inputs
⊙ All systems and channels between 45 and 870MHz
⊙ Heterodyne conversion,IF SAW filter. High vestigial sideband selectivity
⊙ Output TV channel frequency through Double VCO-PLL synthesis
⊙ Full +50dBmV output


Company Profile






We have 15 years experience in design,develop and production inAnlog headend products and 10 years in digital headend products.


Packing & Delivery




FAQ


1. who are we?
We are based in Guangdong, China, start from 2014,sell to South America(20.00%),Southeast Asia(20.00%),South Asia(15.00%),Central America(15.00%),Domestic Market(10.00%),Africa(10.00%),North America(10.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Transcoder,Analog Headend products,RF Modulator,Modulator Platform,Digital Headend products

4. why should you buy from us not from other suppliers?
Have 15 years experience in design,develop & production in professional analog & digital Headend field

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW；
Accepted Payment Currency:USD,EUR,CAD,AUD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,French,Russian


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