WJ Advantage
WJ Communications has experienced engineering teams have the ability to design and manufacture RF semiconductors, components, and integrated RF modules, and interface these assemblies with other network elements, that enable both current and next generation wireless networks, RFID systems and broadband cable worldwide. WJ’s core technology lies within our advanced RF semiconductor designs and extensive R&D.
Our RF expertise covers a broad range of frequencies used in advanced communications networks today. Our capabilities are comprised of the following key elements:
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WJ has been designing RF and microwave products for more than 50 years and have developed significant RF design expertise. Our team of highly qualified and talented engineering and technical employees are capable of applying this expertise to a variety of RF products. These products are optimized to achieve high performance with minimum cost. |
- Advanced Device Technology
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WJ has substantial expertise in designing and manufacturing highly linear semiconductor products that amplify and transform signals with minimal distortion and interference. |
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WJ has expertise to rapidly convert new technologies and designs into completed RF semiconductors, integrated assemblies, and highly functional components products results from our flexible manufacturing operations and our manufacturing engineering expertise. |
WJ’s engineering teams are authorities in maximizing SiGe CMOS and GaAs process technology to create world-class semiconductor products and modules.
Process Technology
A variety of mature processes are utilized in manufacturing WJ products as follows:
- Gallium arsenide metal semiconductor field effect transistor (GaAs MESFET)
- Gallium arsenide heterostructure field effect transistor (GaAs HFET)
- Indium gallium phosphide heterojunction bipolar transistor (InGaP HBT)
Multi-Chip Module Expertise
WJ’s MCMs integrate multiple RF semiconductors, process technologies and functions in a single package allowing us to significantly reduce cost, power consumption and circuit board space. Our ability to design our semiconductors in multiple process technologies enables us to address a variety of end-markets and applications.
WJ has created numerous MCMs utilized in down conversion BTS receive chains with singlke or dual channel abilities.
System Level Integration
The SOIC RF Transceivers require expertise in both design & manufacture for integration of RF, Digital and Analog components in a single IC.
Patents
Patents are an integral component to protect the intellectual property of a company. At WJ we are proud to have a high caliber engineering team and management in-place to create innovative and exciting products. In the past 50 years WJ Communications (and formerly Watkins Johnson) has applied for and been grated over 80 patents. These include:
| Product |
Granted Patent Number |
Description |
| Power Amps |
6,521.972 |
RF Power Transistor having low parasitic impedance input feed structure |
| Power Amps |
6,806.513 |
Heterojunction bipolar transistor having wide bandgap material in collector |
| Power Amps |
7,012.288 |
Heterojunction bipolar transistor having non-uniformal doped collector for improved safe-operating area |
| Process Technology |
4,935.377 |
Method of fabricating a microwave fet having gate with submicron length |
| Process Technology |
5,374.328 |
Method of fabricating group III-IV compound semiconductor devices using selective etching |