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Hangzhou Hongfeng Cable Co., Ltd.

Adjacent Modulator, 860mhz Adjacent Modulator, Catv Adjacent Modulator manufacturer / supplier in China, offering CATV Analog Modulator with 14 Channels, Rg58 Communication SMA/BNC Connecting Coaxial Cable, Sell 10D-FB 50 Ohms TV Trunking Cables for Communication at Best Price and so on.

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CATV Analog Modulator with 14 Channels

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 1000 PCS / Month
Transport Package: Neutral Carton Package
Payment Terms: L/C, T/T, D/P, Paypal, Western Union

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Basic Info
  • Output Frequency Range: 47 -- 866.25MHz
  • Output Level Range: 20dB
  • out-of-Band Output Suppression: -62dB
  • Output Impedance: 75
  • Video Frequency: ±0.75 Maxdb
  • Trademark: Hongfeng
  • Maximum Output Level: 92 --115V
  • V/a Power Ratio: -13-- -20dB
  • Frequency Stability: ±3kHz
  • Output Return Loss: ≥ 16dB
  • Dimension: 483(L)--255(W)-- 44(H) Mm
  • Origin: Hangzhou Zhejiang China
Product Description
CATV Analog Modulator with 14 Channels

1. Summary
Advanced phase locked loop oscillating technology, surface acoustic intermediate frequency modulation technology and amplifying circuits are used in Luxury Adjacent Channel Modulators. Automatic Control Systems are used to monitor working status. Working status will de displayed on LCD of front panels. It's the best choice for large and medium-sized CATV systems because of its excellent performances and beautiful shape.

2. Performance Characteristic
N Automatic control intermediate frequency modulation technology and phase locked loop oscillating circuits are adopted to improve frequency stability.
N Surface Acoustic Wave Filters, Frequency Mixers of 1.9GHz and spiral Band Pass Filters are adopted to improve out-off-band rejection characteristics.
N There are audio / video and intermediate frequency circuits input-output interfaces.
N Modulators get the functions of program memory and Power On Self Test with Microcomputer Systems.
N Advanced amplification circuits result in good RF output indicators and output level of over 110dBμ V.
N Two lines 20-bit LCD display is on front panel to display the parameter indices on time. The vision signal modulation, audio deviation, A/V ratio and output level can be adjusted on the front panel.

Item

Unit

Technique Parameter

RF Parameter

Output Frequency Range

MHz

47 ~ 866.25  

Maximum Output Level

dBμV

92 ~ 115

Output Level Range

dB

20

V/A Power Ratio

dB

-13 ~ -20

Out-of-band Output Suppression

dB

-62

Frequency Stability

KHz

±3

Output Impedance

Ω

75

Output Return Loss

dB

≥ 16

Video Parameter

Input Level

Vp-p

1 @87.5%

Differential Gain

%

≤ 5 @87.5%  

Differential Phase

°

≤ 5 @87.5%  

C/L Delay

ns

≤ 45

Vidio Modulation

dB

72.5 ~ 90 ( 87.5 TYP )

Vision Mid Frequency

MHz

38

Vidio to Noise Ratio

 

≤ 60

Video Frequency Response

dB

±0.75 MAX

Audio Parameter

Input Level

Vp-p

0.4 ( ±50 KHz )    

Output Impedance


10 ( Unbalance )

Distortion

%

≤ 0.4

Audio with Frequency

MHz

4.5 , 5.5 , 6.0 , 6.5     

Pre-emphasis

μSEC

50

Vidio to Noise Ratio

dB

≥ 55

Vidio Frequency Response

dB

±0.5

General Characteristic

Supply Voltage

V

AC 180 ~   250 ( 50Hz )

Power Consumption

W

≤ 10

Dimension

mm

483 ( L ) × 255 ( W ) × 44 ( H )

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