DJM Electronics
The One-Stop Source for Electromagnetic Compatibility (EMC), RF and Microwave Products
RF Amplifiers, Microwave Amplifiers, Millimeter-wave Amplifiers
Anechoic Chamber
EMI Power Line Filters and RFI/EMI Filters
RF Absorber Material
RF Frequency Converters
RF Shielded Rooms and Shielded Enclosures
Used Screen Rooms and Used Equipment

Articles and Tech Notes

These articles and tech notes are written by DJM Electronics and/or the manufacturers whom we represent. They provide many interesting facts and helpful solutions involving our electromagnetic compatibility (EMC) test equipment, RF and Microwave products. All rights are reserved by the appropriate author.




RF Amplifiers


RF Amplifier Technology Choices for Ground Based Ka Band RF Amplifiers
TWT Amplifiers versus Solid State Power Amplifiers
Minimizing In-Band Harmonics at Higher Frequencies


EMC Antennas


Interpreting Antenna Performance Parameters for EMC Applications - Part 1
Interpreting Antenna Performance Parameters for EMC Applications - Part 2
Interpreting Antenna Performance Parameters for EMC Applications - Part 3


Electromagnetic Compatibility Testing


Commonly Asked Questions About FCC Part 15 Registration


EMI/RFI Filters


EMI/RFI Filter Buying Considerations


DJM Electronics EMC Forum Presentations


Anechoic RF Absorbers (Note: 2.2MB)
Jim Ott, Mgr. Chamber Sales, TDK RF Solutions
The Latest IEC Discussions Regarding Immunity Standards (Note: 6.7MB)
Martin Lutz, Managing Director, EMC Partner AG and Swiss Delegate to IEC TC 77
The Secrets of Buying Transient Testers
Tom Revesz, Dir. Engineering Sales, HV Technologies
A New EMC Analyzer on the Horizon
Ganesh Kudva, Mgr. EMC Systems Integration, TDK RF Solutions
The Dos and Don'ts of EMI Filtering
Peter Krickhuhn, President, Filtronica
Idiosyncracies of TWT Amplifiers
Tom Sertic, Mgr. Engineering Sales, CPI
The Effect of Height on Anechoic Chamber Performance
Jim Ott, Mgr. Chamber Sales, TDK RF Solutions