C Components and Parts Suppliers

• Mike’s Electronic Parts (Hard to Find Electronics Parts) at https://www.mikeselectronicparts.com for ferrite antenna coils, variable capacitors, and crystal earphones.

• AliExpress at http://www.aliexpress.com search for “diy AM/FM magnet coil,” or ferrite rod or bar (use insulated magnet wire to wind your coil).

• eBay. Search under “ferrite bar” or “ferrite rod”. These blank rods or bars can be wound with wire such as Litz wire to the desired inductance. Typically, the length is at least 2 inches or at least 50 mm.

Variable Capacitors

• Mike’s Electronic Parts (Hard to Find Electronics Parts) at https://www.mikeselectronicparts.com for variable capacitors, antenna coils, and crystal earphones.

• eBay. 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 (e.g., < 100 pf).

• AliExpress at http://www.aliexpress.com search for “polyvaricon” or “radio variable capacitor” and some come in two or four sections.

• Amazon at www.amazon.com

Science Kits, Cool Things, and Everything Else

• Evil Mad Scientist Laboratories, http://www.evilmadscientist.com/; components such as resistors, LEDs, displays, and also many DIY (do-it-yourself) kits including a discrete transistor version of the 555 timer and 741 op amp by Eric Schlaepfer.

• Elenco, http://www.elenco.com/product/educational; all sorts of educational kits.

• Amazon at www.amazon.com

• Jameco Electronics at www.jameco.com

• AliExpress at http://www.aliexpress.com search for “DIY kits” or “electronic kits”

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Table of Contents for C Components and Parts Suppliers

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APPENDIX C

Components and Parts Suppliers

General Electronic Components

Transistors, FETs, Diodes, LEDs, Photodiodes, and ICs

Low-Noise Transistors and JFETs, Including Matched Pairs

Passive Components, Resistors, Capacitors, Fixed Valued Inductors, Transformers, Tools, Soldering Irons, Breadboards, and Solder

Kit Parts for Transistors, Diodes, Capacitors, Resistors, LEDs, and More

Ham Radio Parts

Crystals, Inductors, Capacitors, Transistors, RF Transistors, Transformers, and ICs

Oscillator Coils, IF Transformers, and Audio Transformers

Antenna Coils

Variable Capacitors

Science Kits, Cool Things, and Everything Else

Table of Contents for
C Components and Parts Suppliers