Chengdu Jiexun Electronics Co., Ltd.| Manufacturer
Chengdu Jiexun Electronics Co., Ltd.

China Manufacturer with main products: Multiplexer, Encoder, Modulator, Digital Frequency Converter, Asi Distributor, Network Adapter, Set Top Box, Satellite Receiver

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Digital Frequency Converter

FOB Price: 1.00 - 2,000.00 USD/Set
Supply Ability: 5,000 Set/Sets per Month
Shipping: normally within 10days
In Stock
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Place of Origin: Sichuan in China

Specifications

Outline
The function of JXDH-6701 Digital Frequency Converter is to convert DVB RF signal of one channel into another channel, and it dispenses with the aftertreatment of decompressing, encoding and multiplexing to the digital signal. It can be widely applied to satellite digital TV, digital broadcast, CATV network and so on.
 
Features
* convert RF signal of one channel into another channel;
* uplink-convert medium frequency into radio frequency, conversely it can;
* downlink-convert radio frequency into medium frequency, besides it  also can convert frequencies;
* between RFs or peer frequencies;
* suitable for digital signal processing as well as analogue signal processing;
* LCD real-time displays various performance indexes;
* Having RF automatically gain control (AGC), making front-end system working more reliably and stably;
* Micro-processing unit controls input/output signal levels;
* Adjacent frequency design, medium frequency processing, surface audio wave filter (SAW), good interference suppressing;
* Local oscillation adopts unique phase-locked loop, low phase noise, low phase jitter, low error rate, especially suitable for digital signal frequency conversion;
* Down-link frequency conversion and up-link frequency conversion adopt excellent qualified dual-balanced frequency mixer, good linearity, low distortion;
* low clutter interference;
* RF and medium frequency system circuits adopt multi-channel filters, which reduce outside signal interference against local machine;
* RF output circuit adopts international brand amplifying module, which guarantees output dynamic and parasite suppression;  
* 19  standard structure, independent power supply, elegant exterior, flexible corollary equipment.
 
Specifications
RF Input Frenquency
30-862MHz (central frequency of an optional aptotic channel)
User order guide:
It is necessary to indicate the mode of RF input.
A=QAM/CMTS
B=QPSK;
 
And conversion style.
C=RF to IF
D=IF to RF
E=RF to RF
 
For example: JXDH-6701-AE means RF input mode is QAM/CMTS and conversion style is RF to RF.
RF Input Mode
QAM, QPSK, CMTS (user must indicate a certain one in three modes)
RF Input Level
95dBμν
RF Input Level Range
85-105dBμν
RF Input Impedance
75Ω
Input AGC Range
±10dB/±1dB
Input Return Loss
≥12dB
RF Output Frequency
110-862MHz (central frequency of an optional aptotic channel)
IF Input and Output Frequency
35-44MHz (125KHz Stepping)
Maximum Output Level
≥115 dBμν
Output Inspection
-20 dBc
Adjusting Range of Output Level
0-20 dB(0.5dB Stepping)
Output Impedance
75Ω
Output Return Loss
≥12dB
Phase Noise
 
≥96 dBc@10KHz(30-300MHz)
≥94 dBc@10KHz(300-550MHz)
≥92 dBc@10KHz(550-860MHz)
Frequency Conversion Precision
≤5 KHz
Spurious Output Rejection
≥55dB(The distance of 2 contiguous frequency points>20MHz)
Audio In-Band Flatness
±0.5dB
General Specification
 
 
Size
44mm×482mm×330mm
Condition
0-45(Work); 20-80(Storage)
Power Supply
AC110~220V±10% 50/60Hz 20VA

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