High Selectivity Crystal Radio. Ultra High Gain Audio Amplifier. Telephone Line Use Monitor. Special thanks to Wild Autumn Design. High Selectivity Crystal Radio with Short Wave. High Sensitivity BFO Metal Detector. Ultra High Gain Audio Amplifier. Audio Sine Wave Generator. One Tube DX Receiver. Telephone Line Use Monitor.
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Bob's useful electronic data & project plans | bobsdata.com Reviews
https://bobsdata.com
High Selectivity Crystal Radio. Ultra High Gain Audio Amplifier. Telephone Line Use Monitor. Special thanks to Wild Autumn Design. High Selectivity Crystal Radio with Short Wave. High Sensitivity BFO Metal Detector. Ultra High Gain Audio Amplifier. Audio Sine Wave Generator. One Tube DX Receiver. Telephone Line Use Monitor.
bobsdata.com
Bob's useful electronic data & project plans
http://www.bobsdata.com/battery_life/index.html
Bob's Battery Life Chart: How long does a battery last? Great idea for a science project! First, numerous leading Alkaline brands were tested against each other. Since they were practically identical in discharge rates, one brand was chosen and appropriate 5 watt resistors were connected to the test batteries in their battery holders. NiMH rechagable batteries of that same brand were also tested. Bob's Battery Life Chart:. August 2007 - - V1.03. 15V Alkaline: D Cell. 15V Alkaline: C Cell. Audio Sine Wave...
audio sine wave generator
http://www.bobsdata.com/audio_sine_wave_generator/index.html
Audio Sine Wave Generator. This single IC circuit which is based on the Wien Bridge Oscillator, produces low distortion sine waves in the range of 15 Hz up to 22KHz in two ranges. The two output voltage ranges are from about 0-250mV and 0-2.5Vrms. The image to the right shows an actual 1KHz output signal from the generator. Begin by cutting out the printed circuit board material to 5 1/2 in. wide by 3 3/4 in. deep. I personally, simply use the pattern on the right to mark all of the drill poi...
One Tube DX Receiver
http://www.bobsdata.com/one_tube_receiver/index.html
Model 710 One Tube Regen Receiver/ .8MHZ-1.8MHZ and 8 – 18 MHZ. *. Operation and Trouble Shooting:. Tune in a station with the main tuning capacitor C5 and then adjust the regen control until it just begins to squeal (oscillate) , then back off just a bit. Now use the band spread tuning C6 to fine tune the station. If your receiver will not oscillate then either change R5 and R7 for more voltage at pin 7 or simply reverse the connections at pins 3 and 4 on L2 (the feedback coil). Audio Sine Wave Generator.
One Tube DX Receiver
http://www.bobsdata.com/one_tube_dx_receiver/index.html
One Tube DX Receiver:. If your transformer produces more than 53 VAC then adjust the voltage ratings on the electrolytic capacitors upward. Antenna length is not critical but should be at least 12 feet long, whereas 30 feet is preferred. This receiver will pull in stations from all around the globe and is very, very impressive in its performance. High Selectivity Crystal Radio with Short Wave. High Sensitivity BFO Metal Detector. Ultra High Gain Audio Amplifier. Audio Sine Wave Generator.
Telephone Line Use Monitor
http://www.bobsdata.com/phone_use/index.html
Telphone Line Use Monitor. The LED is off. When the line is in use, the voltage drops to about 8 volts AC. Thus Q1 is off and Q2 is allowed to turn on and the LED will light up. This circuit detects the fact that ANY phone on a land line is in use. The phone company does not want any circuit to load the line down, introduce voltage, or have any path to ground. This circuit meets all of those requirements. Any phone on the line that is activated, will cause the LED to light up. Ultra High Gain Audio Ampli...
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Dave's Homemade Radios External Links Page
http://www.makearadio.com/links.php
Dave's Homemade Radios Links Page. Hi friends. As you know, linking sites is important. This is perhaps how you got to my site, and when you are done with my site, you can go to the next perhaps using a link found here. As owner of this website, it is my decision what links will appear here. The main rule is, the link has to go to a site that will benefit my visitor. My main radio page is http:/ www.makearadio.com/index.php. Links last checked on March 16,2012. Great links for beginners to start! Boydhou...
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Bob's Dairyland
Bobs Dairy Supply
Indoor and Outdoor Wood/Corn/Pellet. QuietSide Wall Mount Boilers. We Service All Makes of Dairy Equipment. We Have You Covered 24 Hours a Day 7 Days a Week. Afi Herd Management Systems. New and Used Equipment.
Welcome bobsdance.com - Justhost.com
Web Hosting from Just Host. Design By Design Fusions.
Rockin Roberts DJ Service - Check out Dance News page on side of this page ********************************************************************************************* No Tuesday Dance 03/20 at Morgan Center.Room will be used for VotingBallroom
Fundraising for Dance Crazy Kids. Check out Dance News page. On side of this page. No Tuesday Dance 03/20 at Morgan Center. Room will be used for Voting. Ballroom, Latin, Swing Dancing. At Morgan Family Center. 6207 W Price Blvd, North Port, FL 34291. Group Lessons Ballroom 5 to 6 PM. Group Lessons Swing 6 to 7 PM. Dance 7 to 9 PM. Lessons and Dance given by National DJ and Dance Instructor BOB Englert. Classes will be split into 2 groups. Morgan Center Fee: $40 for 8 classes 5 to 6 PM.
bobsdankmemes - DeviantArt
Window.devicePixelRatio*screen.width 'x' window.devicePixelRatio*screen.height) :(screen.width 'x' screen.height) ; this.removeAttribute('onclick')" class="mi". Window.devicePixelRatio*screen.width 'x' window.devicePixelRatio*screen.height) :(screen.width 'x' screen.height) ; this.removeAttribute('onclick')". Join DeviantArt for FREE. Forgot Password or Username? Founded 7 Months ago. In bobsdankmemes you will find a wide array of dank memes and shitposts spanning from fire emblem to undertale. Div div&#...
Bob's useful electronic data & project plans
High Selectivity Crystal Radio. Ultra High Gain Audio Amplifier. Telephone Line Use Monitor. Special thanks to Wild Autumn Design. High Selectivity Crystal Radio with Short Wave. High Sensitivity BFO Metal Detector. Ultra High Gain Audio Amplifier. Audio Sine Wave Generator. One Tube DX Receiver. Telephone Line Use Monitor.
Bob's activity database - BobsDB.com
The number 1 place to find things to do. Bob's Activity Database - The most comprehensive collection of past time, recreational activities including sports, games, hobbies, interests, amusements and much more. Currently 423. Things you can do. Try a random activity. Activities for when you need to. Plan time with the family. Activities for when you want to. Do something right now. Find a new hobby. Find a once in a lifetime activity. Do something that will make you. Do something with a purpose.
bobsdeal
Upgrade to paid account! Updated for 2010- Media Impact: Bob's Deal. May 21st, 2010. Newly expanded and available for free download at Scribd.com (YouTube for writers and literary community). http:/ www.scribd.com/doc/32009955/Bob-s-D. LIVERMORE FILM COMMISSION celebrates Media Impact: Bob's Deal. November 6th, 2009. May 10th, 2009. Rich Stuart is a pioneering activist whose artistic AIDS protest in 1990 became an underground social phenomenon and led to an international art movement. May 10th, 2009.
Bob's Deals on Wheels, Elkhart Indiana, Used Cars & Trucks
Pressure Washer Louisville, KY - Bob's Deckservice & More
Louisville, KY Pressure Washer. Bob's Deckservice and More. Bob's Deckservice and More has been providing professional deck services, repair, and other interior work in the Louisville, KY area. Our professional team guarantees satisfaction in every quality service that. We render. Let us put our experience and expertise to work for you. Learn More About Bob's Deckservice and More:. Customized decks, ramps, and fences. Pressure washing and sealing of decks and driveways. Click to email us.
