Theory articles

719 topics in this forum

1. Low-pass Filter? 1 2 3 4 6

   By audioguru, September 26, 2004
   • 127 replies
   • 41.3k views
   • 
   • MP
   • October 20, 2006

2. Transformer Power Rating 1 2 3

   By atheos, January 21, 2005
   • 60 replies
   • 40.7k views
   • 
   • tamtaram
   • January 20, 2007

3. Bigginers Handbook 1 2 3 4 5

   By Guest Yevgenip, November 25, 2004
   • 115 replies
   • 35.8k views
   • 
   • monster
   • July 29, 2006

4. Audioguru FM Tx 1 2 3 4 5

   By walid, October 27, 2005
   • 122 replies
   • 29.6k views
   • 
   • audioguru
   • April 16, 2007

5. hydroxy gas power supply/separating oxygen and hydrogen from water 1 2 3 4 5

   By steven, February 14, 2007
   • 108 replies
   • 27k views
   • 
   • Hero999
   • June 25, 2010

6. BJT biasing formulas 1 2 3 4

   By autir, October 23, 2005
   • 82 replies
   • 22.2k views
   • 
   • walid
   • April 11, 2007

7. State Variable active filter

   By Shmitt, March 17, 2004
   • 19 replies
   • 13.6k views
   • 
   • Wolframore
   • March 3, 2020

8. Voltage Multiplier 1 2

   By bcwilson_oz, August 2, 2003
   • 34 replies
   • 12.5k views
   • 
   • audioguru
   • December 8, 2004

9. field effect transistors

   By Kevin Weddle, December 31, 2012
   • 2 replies
   • 11.7k views
   • 
   • Guest
   • September 21, 2013

10. Op amp theory Q's 1 2

    By tadgesualdo, January 27, 2006
    • 33 replies
    • 11.2k views
    • 
    • tadgesualdo
    • March 2, 2006

11. basics of electrical supply 1 2

    By shekhar_dandya, September 23, 2005
    • 40 replies
    • 10.2k views
    • 
    • audioguru
    • October 28, 2005

12. transistor uses

    By Kevin Weddle, May 10, 2004
    • 21 replies
    • 10.1k views
    • 
    • Kevin Weddle
    • July 9, 2004

13. opamp roll-off 1 2

    By Kevin Weddle, February 11, 2010
    • 31 replies
    • 10.1k views
    • 
    • Kevin Weddle
    • April 8, 2010

14. OVER-/UNDER-VOLTAGE PROTECTION CIRCUIT ANALYSIS 1 2

    By walid, February 2, 2007
    • 48 replies
    • 9.5k views
    • 
    • audioguru
    • February 15, 2007

15. How to distinguish between FM and AM transmitter circuits

    By walid, November 19, 2010
    • 14 replies
    • 9.3k views
    • 
    • walid
    • November 21, 2010

16. Simple help with transistors!! 1 2

    By Um...Me123, May 22, 2006
    • 39 replies
    • 9.2k views
    • 
    • audioguru
    • June 23, 2006

17. Are datasheets important? 1 2

    By audioguru, April 25, 2007
    • 37 replies
    • 8.6k views
    • 
    • Steve_hi
    • May 8, 2007

18. Capacitors Codes

    By EDY, November 25, 2003
    • 8 replies
    • 8.2k views
    • 
    • Guest
    • March 30, 2004

19. Cutoff frequency and 3dB points

    By Sukhbinder, October 25, 2006
    • 17 replies
    • 8k views
    • 
    • Gazza
    • October 28, 2006

20. DC to AC 1 2

    By vivek_pv, September 30, 2006
    • 32 replies
    • 7.9k views
    • 
    • audioguru
    • October 6, 2006

21. BJT power supply 1 2

    By walid, July 19, 2005
    • 34 replies
    • 7.7k views
    • 
    • ante
    • September 7, 2005

22. Is it a hartely oscillator??

    By walid, November 19, 2010
    • 16 replies
    • 7.5k views
    • 
    • Hero999
    • March 1, 2011

23. TRANSMISSION LINES 1 2

    By prateeksikka, May 15, 2005
    • 28 replies
    • 7.1k views
    • 
    • res10
    • July 15, 2005

24. How this ps unit works??

    By walid, August 5, 2012
    • 6 replies
    • 6.9k views
    • 
    • Kevin Weddle
    • November 20, 2013

25. a very simple FM Tx 1 2

    By walid, November 25, 2006
    • 29 replies
    • 6.9k views
    • 
    • audioguru
    • December 17, 2006