APPENDIX A
Parts Suppliers
Transistors, FETs, Diodes, LEDs, Photodiodes, ICs, Resistors, Capacitors, Crystals, Batteries, Inductors, Transformers, Tools, and Soldering Equipment
• Mouser Electronics, www.mouser.com
• Digi-Key Corporation, www.digikey.com
• Anchor-Electronics, www.anchor-electronics.com
• HSC Electronic Supply, www.halted.com/commerce/index.jsp?czuid=1338011465538 (may have to purchase items at their store(s); call to confirm)
• MCM Electronics, www.mcmelectronics.com
• Jameco Electronics, www.jameco.com
• Amazon, www.amazon.com (almost every type of electronic parts and kits as well)
• Joe Knows Electronics, www.joeknowselectronics.com/?page_id=1271 (other types of electronic parts as well)
• RadioShack, www.radioshack.com
• Frys Electronics, www.frys.com
• Linear Integrated Systems, www.linearsystems.com (for low-noise transistors and FETs)
Vacuum Tubes
• Antique Electronic Supply, www.tubesandmore.com
Ceramic Resonators and Filters (455 kHz and 10.7 MHz)
• Mouser Electronics, www.mouser.com
• Digi-Key Corporation, www.digikey.com
• HSC Electronic Supply, www.halted.com/commerce/index.jsp?czuid=1338011465538 (may have to purchase items at their store(s); call to confirm)
• eBay, www.ebay.com (search terms are ceramic resonators and filters)
Oscillator Coils, IF Transformers, and Audio Transformers
• Mouser Electronics, www.mouser.com (Xicon transformers and coils)
• Abra Electronics Inc., www.abra-electronics.com (Xicon IF and audio transformers; for IF transformers, search under 42IF)
• Electronix Express, www.elexp.com (search under audio and IF transformers)
Antenna Coils
• Scott’s Electronics (hard-to-find electronics parts), www.angelfire.com/electronic2/index1/loopstick.html (for ferrite antenna coils)
• MCM Electronics, www.mcmelectronics.com (search for loop antenna, the AM radio type, for example, see http://electronics.mcmelectronics.com/?N=&Ntt=loop+antenna)
• Antique Electronic Supply, www.tubesandmore.com (the search term is antenna coil; as of 2014, the only antenna coil available has an inductance of 240 μH, which will match a 330-pF to 365-pF variable capacitor)
• Amazon, www.amazon.com
• eBay, www.ebay.com
Variable Capacitors
• Scott’s Electronics, www.angelfire.com/electronic2/index1/index.html (hard-to-find electronics parts) www.angelfire.com/electronic2/index1/Variable141pf.htm (for a 140-pF/60-pF dual variable capacitor) www.angelfire.com/electronic2/index1/266pf.html (for a twin 266-pF/266-pF variable capacitor) www.angelfire.com/electronic2/index1/335PF-Polyvaricon.html (for a twin 335-pF/335-pF variable capacitor)
• eBay, www.ebay.com [search under the terms polyvaricon, variable capacitor, tuning capacitor, or crystal radio parts; note that some of the variable capacitors on eBay are timer capacitors, which do not have sufficient capacitance (e.g., <100 pF) for the radios in this book]
• Antique Electronic Supply, www.tubesandmore.com (365-pF variable capacitor and others at www.tubesandmore.com/products/capacitors?filters=Type%3DVariable)
Crystal Earphones
• Scott’s Electronics, www.angelfire.com/electronic2/index1/index.html(hard to find electronics parts)
• eBay, www.ebay.com (search under the terms crystal earphone, crystal radio, and crystal radio parts)
Science Kits, Cool Things, and Everything Else
• Evil Mad Scientist Laboratories, www.evilmadscientist.com[components such as resistors, LEDs, displays, and also many do-it-yourself (DIY) kits, including a discrete transistor version of the 555 timer by Eric Schlaepfer]
• Elenco, www.elenco.com/product/educational (all sorts of educational kits)
• Curcio Audio Engineering, www.curcioaudio.com (tube amplifier kits)
• Amazon, www.amazon.com
• Jameco Electronics, www.jameco.com
• Frys Electronics, www.frys.com