Try this one. Here is a link to where it can be purchased. http://www.arrl.org/catalog/?category=Technical%2C+Electronics%2C+and+Communicat ions+Reference &words= Experimental Methods in RF Design -- by Wes Hayward, W7ZOI, Rick Campbell, KK7B, and Bob Larkin, W7PUA Immerse yourself in the communications experience by building equipment that contributes to understanding basic concepts and circuits. Explore wide dynamic range, low distortion radio equipment, the use of direct conversion and phasing methods, and digital signal processing. Use the models and discussion to design, build and measure equipment at both the circuit and the system level. Laced with new unpublished projects and illustrated with CW and SSB gear. Contents: o Basic Investigations in Electronics o Chapters on Amplifiers, Filters, Oscillators, and Mixers o Superheterodyne Transmitters and Receivers o Measurement Equipment o Direct Conversion Receivers o Phasing Receivers and Transmitters o DSP Components o DSP Applications in Communications o Field Operation, Portable Gear, and Integrated Stations This work is successor to the widely popular Solid-State Design for the Radio Amateur, published in 1977. CD-ROM included with design software, listings for DSP firmware, and supplementary articles. 512 pages. C 2003, published by American Radio Relay League (ARRL). (ISBN: 0-87259-879-9) #8799 -- $49.95 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist