Doug DeMaw
Ferromagnetic-core design and application handbook
The ARRL electronics data book
Practical RF design manual
Solid State Design for the Radio Amateur
W1FB's design notebook
W1FB's help for new hams
W1FB's QRP Notebook
W1FB's QRP notebook
ARRL electonics data book
Practical RF communications data for engineers & technicians
Radio frequency interference
Radio frequency interference