radioSPARKS.com Schematics Recent Searches - 3/13/2010 http://www.radiosparks.com/ Who's searching for what? Here is a short list: FM Diversity , Crystal Radio , Difference , Relay , Logarithmic , Telephone Projects , Gas Leak Alarm , Fixed Regulated Output , Antenna - Active , Sound Effects , randomdata . Just click a link to find an index to more schematics. Schematics Recent Searches radioSPARKS.com Schematics Recent Searches - 3/13/2010 http://www.radiosparks.com/ http://www.radiosparks.com/images/RS_LOGO_20091110_2.png en-CA Copyright 2010 radioSPARKS.com All Rights Reserved. Learn to Solder http://www.radiosparks.com/schematics.asp?UID=Blinky+Sound+Generator <img src="http://www.radiosparks.com/images_d/AK-100D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Learn to Solder"> CLASS:Sound effects SUB CLASS:Blinky Sound Generator<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Blinky Sound Generator:163 Sound Effects Telephone http://www.radiosparks.com/schematics.asp?UID=Telephones <img src="http://www.radiosparks.com/images_d/AK-700D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Telephone"> CLASS:Telephone Projects SUB CLASS:Telephones<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Telephones:167 Telephone Projects Space WAR GUN http://www.radiosparks.com/schematics.asp?UID=Space+Ray+Gun <img src="http://www.radiosparks.com/images_d/K-10D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Space WAR GUN"> CLASS:Sound Effects SUB CLASS:Space Ray Gun<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Space Ray Gun:174 Sound Effects Power Supply - Fixed Regulated http://www.radiosparks.com/schematics.asp?UID=Fixed+Regulated+Output <img src="http://www.radiosparks.com/images_d/1068D.gif" width="160" border="0" align="right" hspace="15" vspace="5" alt="Power Supply - Fixed Regulated"> CLASS:Power Supply SUB CLASS:Fixed Regulated Output<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Fixed Regulated Output:1148 Power Supply Siren http://www.radiosparks.com/schematics.asp?UID=Siren <img src="http://www.radiosparks.com/images_d/1090D.gif" width="160" border="0" align="right" hspace="15" vspace="5" alt="Siren"> CLASS:Sound Effects SUB CLASS:Siren<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Siren:350 Sound Effects Space AGE http://www.radiosparks.com/schematics.asp?UID=Space+Age+Siren <img src="http://www.radiosparks.com/images_d/1035D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Space AGE"> CLASS:Sound Effects SUB CLASS:Space Age Siren<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Space Age Siren:360 Sound Effects Deluxe Telephone http://www.radiosparks.com/schematics.asp?UID=Telephones <img src="http://www.radiosparks.com/images_d/FUN-755D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Deluxe Telephone"> CLASS:Telephone Projects SUB CLASS:Telephones<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Telephones:390 Telephone Projects Electronic Siren - 4-SOUND http://www.radiosparks.com/schematics.asp?UID=Siren <img src="http://www.radiosparks.com/images_d/1029D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Electronic Siren - 4-SOUND"> CLASS:Sound Effects SUB CLASS:Siren<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Siren:442 Sound Effects Robot Voice http://www.radiosparks.com/schematics.asp?UID=Robot+Voice <img src="http://www.radiosparks.com/images_d/1131D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="Robot Voice"> CLASS:Sound Effects SUB CLASS:Robot Voice<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Robot Voice:458 Sound Effects GAS Leakage Sensor Alarm http://www.radiosparks.com/schematics.asp?UID=Gas+Leak+Alarm <img src="http://www.radiosparks.com/images_d/1221D.GIF" width="160" border="0" align="right" hspace="15" vspace="5" alt="GAS Leakage Sensor Alarm"> CLASS:Alarm & Security SUB CLASS:Gas Leak Alarm<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Gas Leak Alarm:461 Alarm & Security Active Antenna for UHF Scanners http://www.radiosparks.com/schematics.asp?UID=Active+UHF <img src="http://www.radiosparks.com/images_d/ANAC898.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Active Antenna for UHF Scanners"> CLASS:Antenna - Active SUB CLASS:Active UHF<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Active UHF:898 Antenna - Active Basic Logarithmic Amplifier Using OP AMP http://www.radiosparks.com/schematics.asp?UID=Logarithmic <img src="http://www.radiosparks.com/images_d/OPLO926.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Basic Logarithmic Amplifier Using OP AMP"> CLASS:OP-AMPS SUB CLASS:Logarithmic<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Logarithmic:926 OP-Amps Difference Amplifier With Wide Input Common-Mode Range http://www.radiosparks.com/schematics.asp?UID=Difference <img src="http://www.radiosparks.com/images_d/OPDI949.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Difference Amplifier With Wide Input Common-Mode Range"> CLASS:OP-AMPS SUB CLASS:Difference<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Difference:949 OP-Amps FM Auto Radio Diversity Antenna (Cont..) http://www.radiosparks.com/schematics.asp?UID=FM+Diversity <img src="http://www.radiosparks.com/images_d/ANFM956.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="FM Auto Radio Diversity Antenna (Cont..)"> CLASS:Antenna SUB CLASS:FM Diversity<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT FM Diversity:956 Antenna FM Auto Radio Diversity Antenna http://www.radiosparks.com/schematics.asp?UID=FM+Diversity <img src="http://www.radiosparks.com/images_d/ANFM957.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="FM Auto Radio Diversity Antenna"> CLASS:Antenna SUB CLASS:FM Diversity<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT FM Diversity:957 Antenna OLD Fashioned Crystal Radio http://www.radiosparks.com/schematics.asp?UID=Crystal+Radio <img src="http://www.radiosparks.com/images_d/RACR1015.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="OLD Fashioned Crystal Radio"> CLASS:Radio Receivers SUB CLASS:Crystal Radio<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Crystal Radio:1015 Radio Receivers Relay Interface to RC Receivers http://www.radiosparks.com/schematics.asp?UID=Interface <img src="http://www.radiosparks.com/images_d/REIN1038.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Relay Interface to RC Receivers"> CLASS:Relay SUB CLASS:Interface<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Interface:1038 Relay Simple Crystal Radio http://www.radiosparks.com/schematics.asp?UID=Crystal+Radio <img src="http://www.radiosparks.com/images_d/RACR1063.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Simple Crystal Radio"> CLASS:Radio Receivers SUB CLASS:Crystal Radio<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Crystal Radio:1063 Radio Receivers Telephone-Audio Interface http://www.radiosparks.com/schematics.asp?UID=Interface <img src="http://www.radiosparks.com/images_d/TEIN1073.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Telephone-Audio Interface"> CLASS:Telephone Projects SUB CLASS:Interface<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Interface:1073 Telephone Projects Tunable FM Antenna Booster http://www.radiosparks.com/schematics.asp?UID=Active+FM <img src="http://www.radiosparks.com/images_d/ANAC1075.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Tunable FM Antenna Booster"> CLASS:Antenna - Active SUB CLASS:Active FM<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Active FM:1075 Antenna - Active Tuned Amplifier http://www.radiosparks.com/schematics.asp?UID=Tuned+Amplifier <img src="http://www.radiosparks.com/images_d/ANTU1077.jpg" width="160" border="0" align="right" hspace="15" vspace="5" alt="Tuned Amplifier"> CLASS:Antenna - Active SUB CLASS:Tuned Amplifier<br>Click the title description to find out more information about this schematic ... Sat, 13 Mar 2010 04:24:00 EDT Tuned Amplifier:1077 Antenna - Active