Key facts
- Manuals
- 6
- Languages
- ZH
- Last added
- 2012-03-12
Featured 中国电子集团 manuals
China Electronics Technology Group 30 Data Eraser User Manual
The 30 data eraser is a multifunctional tool designed for secure deletion of information on storage media. It integrates a flat‑panel platform, deep‑erase functions, and program‑attack analysis to meet national security standards.
The manual describes the usage workflow, safety precautions, supported file formats, and hardware interfaces. It also includes contact information for the manufacturer and guidelines for proper storage and disposal after use. This manual is written in Chinese.
Covers: Product Introduction · Usage Process · Flat‑Panel Operation · Information Erasure Functions · Deep Erase Tool · Program Attack Test
China Electronics Technology HE395A/HEM395A Broadband Amplifier Manual
The HE395A/HEM395A is an integrated broadband amplifier with a frequency range of 10‑1500 MHz and good impedance matching. It offers a small‑signal gain of about 11 dB and a flat gain variation of less than 0.5 dB across the band. The device operates from –55 °C to +85 °C and provides a maximum output power of around 10 dBm.
The manual includes performance characteristics, electrical specifications, connection diagrams, and mechanical dimensions. It also provides recommended operating conditions, installation guidelines, and part numbers for accessories such as SMA connectors. This manual is written in Chinese.
Covers: Performance Characteristics · Electrical Specifications · Operating Conditions · Connection Diagram · Mechanical Dimensions · Installation Guidelines
China Electronics technology forty-fourth GD55220Y 220Y 0Y0Y type InGaAs type InGaAs snowslide photoelectricity detector Manual
The GD5520Y is an InGaAs avalanche photodetector featuring a planar chip structure that provides low noise, high sensitivity and high reliability. It is designed for 2.5 Gbps testing modules, optical fiber test systems and similar applications.\n\nKey specifications include a spectral response range of 900‑1700 nm, active area diameter of 50 µm, responsivity of 8.5 A/W at 1.55 µm, maximum gain of 20, reverse breakdown voltage of 40‑60 V, dark current below 10 nA, total capacitance 0.5 pF, operating temperature –50 °C to +80 °C, and power dissipation of 50 mW. The device is supplied in a tail‑fiber bullet package with GND, N and P pins. This manual is written in Chinese.
Covers: Product Features · Maximum Ratings · Optoelectronic Performance · Typical Characteristics and Application Circuit · Package and Pin Definition · Precautions
CETC Optical Coupler Manual
This manual introduces CETC's optical couplers, which integrate a light emitter and detector in a single package to provide electrical isolation and signal transmission. It describes the unique characteristics, such as ground‑loop suppression, signal amplification, high‑speed operation, and compact packaging.
The document lists common parameters, typical waveforms, and replacement part equivalents for many GH‑series models, and provides guidance on selecting and using the couplers in various circuits and applications. This manual is written in Chinese.
Covers: Introduction · Features · Common Parameters · Typical Waveforms · Replacement Parts · Model List
Latest 中国电子集团 manuals
China Electronics Technology Group 30 Data Eraser User Manual
User Manual 57 pages · 2.7 MB · ZHThe user manual for the China Electronics Technology Group 30 data eraser provides operating instructions, safety guidelines, and technical details.
China Electronics Technology HE395A/HEM395A Broadband Amplifier Manual
User Manual 1 pages · 135 KB · ZHManual for the China Electronics Technology HE395A/HEM395A broadband amplifier, covering specifications, operation and installation.
China Electronics technology forty-fourth GD55220Y 220Y 0Y0Y type InGaAs type InGaAs snowslide photoelectricity detector Manual
Datasheet 2 pages · 240 KB · ZHThe GD5520Y avalanche photodetector from China Electronics Technology Group offers low noise, high sensitivity, 900‑1700 nm response and up to 20× gain.
CETC Optical Coupler Manual
User Manual 119 pages · 5.2 MB · ZHTechnical manual for CETC optical couplers covering features, specifications, and application notes.
HBMMC MFRM-19/22-L MMIC Manual
User Manual 2 pages · 257 KB · ZHHBMMC MFRM-19/22-L MMIC manual with performance specs, connector details and customization options.
China Electronics Technology Group Optical Coupler Manual
Product Leaflet 119 pages · 5.4 MB · ZHThis manual provides specifications, features, and application information for China Electronics Technology Group optical couplers.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in 中国电子集团 manuals
How many erase passes does the tool support?
It supports four erase passes: 1, 3, 6, and 7 passes.
From: China Electronics Technology Group 30 Data Eraser User Manual
What safety precautions should be taken when using the tool?
Use only authorized software and genuine components, store the device properly after use, and follow the caution notes in the manual.
From: China Electronics Technology Group 30 Data Eraser User Manual
What are the operating temperature limits for the amplifier?
The device can be used between –55 °C and +85 °C.
From: China Electronics Technology HE395A/HEM395A Broadband Amplifier Manual
What is the operating temperature range of the GD5520Y?
The device operates from –50 °C to +80 °C.
What is the main function of the optical coupler?
It combines a light emitter and a light detector in one package to transmit signals optically while providing electrical isolation.
What advantages do CETC optical couplers offer?
They suppress ground‑loop noise, eliminate interference, provide high‑speed signal transmission, and have compact dual‑row packages with single, dual, or multi‑channel options.