/Schematics/Telephone circuits/Phone ring generator v2
Quote: "The telephone ring generator shown below generates the needed high voltage from a simple switching mode power supply (SMPS) which employs a CMOS Schmitt Trigger square wave oscillator, 10 mH inductor, high voltage switching transistor (TIP47 or other high voltage, 1 amp transistor) and a driver transistor (2N3053)."
Author (sent by): Bil Bowden
Download counter: 1,050
Rating: 
(2.89, votes 1975)
Vote: 
Date: 14-02-2004
Lokalna verzija ove stranice: Generator zvona za telefon v2
Tags: . +add your tag
381_generatorzvonazatel.zip
similar content
- Telephone ringer (20-02-2004) [@Schematics/Telephone circuits]
- Interphone v1 (23-02-2004) [@Schematics/Audio devices]
- Negative ION generator (23-02-2004) [@Schematics/Everything else]
- Telephone line recorder v1 (20-02-2004) [@Schematics/Telephone circuits]
- Phone call alert (17-02-2007) [@Projects]
- Phone line recorder project published (02-03-2010) [@News]
- Megaphone with no batteries required (21-02-2009) [@News]
- Telephone line recorder v2 (20-02-2004) [@Schematics/Telephone circuits]
- Cordless phone receiver v2 (14-02-2004) [@Schematics/Radio receivers]
- GSM phone ring detection (26-03-2007) [@Schematics/Everything else]
add comment
Please log-in!
You can log-in on forum link: Login page. After logging-in, return to this page and click refresh in your browser.
