| Model: | ESS-701 |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Telecommunication & Broadcasting / Radio TV Equipment |
| Label: | RF , IF , Convert |
| Price: |
US $850
/ pc
|
| Min. Order: | 1 pc |
| Last Online:20 Dec, 2012 |
◆The function of this product is to convert RF signal of one channel into another channel；
◆This product can 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；
◆This product is suitable for digital signal processing as well as analogue signal processing；
◆LCD real-timely 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.
◆ Satellite digital TV broadcast
◆ MMDS digital TV head-end
◆ Digital CATV network
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 | 85-105dBμν | ||
RF Input Impedance | 75Ω | ||
±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 | 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 | ||
Condition | 0-45(Work)；20-80（Storage） | ||
Power Supply | AC220V±10% 50Hz 20VA | ||
