Detailed Product Description

spectrum analyzer ES8821

Leading Performance

ES8821 series Real-time DVB Spectrum Analyzer include ES8821A, DS8821B and ES8821Q, which fully utilize DSP (Digital Signal Processing) technologies. They are widely used in telecommunication, broadcasting, CATV and EMC testing field as the most optimized equipment for both indoors and outdoors.

Main Specifications

Double scan windows and peak hold function: ES8821 series offers two windows to scan the spectrum and display on the screen at the same time. You won't miss any exceptional signal by 10Hz frequency resolution and you can observe the upstream signal of HFC network.
TFT LCD: bright display and wide visual angle show you more details during testing and very easy to use.
Quality and accuracy: all parameters measured are at the same level or better than those of similar models by other competitors
Portable design with long operation time: easy to carry and more than 2.5 hours battery operating time.

ES8821Q Introduction

ES8821Q is a newly developed 1GHz portable Spectrum Analyzer with TFT LCD, which is specially designed for DVB-C network installation and maintenance. Besides the features inheritated from DS8821B, DS8821Q is added professional tools and features which includes:
CATV analysis: it includes TV channel measurement as well as other key parameters auto testing, such as CSO/CTB, C/N, MOD, LEVEL, Audio Test, Cross-Modulation, Differential Phase/Gain, Chrominance-to-luminance Delay Inequality and etc.
Professional digital signal analysis function: it supports Constellation Diagram of 16/32/64/128/256QAM/QPSK modulation type and other key parameters in digital signal measurement, for instance, MER, EVM, and Pre/Post BER; it fully complies with ITU-T J.83 Annex A/B/C standard.
Data storage function: you can perform analysis on selected historical data stored to improve network operation quality.