how do tuners work !

jimbo1968 · 15th May 2009, 03:05 PM

In the olden days you twiddled a knob and that physically changed the capacitor in a tuned circuit.

What happens when I press a different channel number on my TV tuner remote?

Kabigon · 16th May 2009, 07:08 AM

See this:

http://en.wikipedia.org/wiki/Varicap

jimbo1968 · 16th May 2009, 12:08 PM

Thanks.

Clever stuff these semiconductors. I predict they'll catch on.

15th May 2009, 03:05 PM	#1
jimbo1968 diyAudio Member Join Date: Nov 2004 Location: UK, bristol	how do tuners work ! In the olden days you twiddled a knob and that physically changed the capacitor in a tuned circuit. What happens when I press a different channel number on my TV tuner remote?

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Vintage Tuners	newbie123	Analogue Source	58	13th August 2010 06:51 PM
ITT Tuners	nhuwar	Analogue Source	0	5th March 2009 07:54 PM
AGC in FM tuners ?	Vulpine	Analog Line Level	7	4th August 2008 02:53 PM
Suggestions on tuners	boostin1989	Everything Else	3	17th February 2008 02:36 PM
Recievers? Tuners? RF? DIY??	RMS	Solid State	0	27th November 2002 04:49 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

16th May 2009, 07:08 AM	#2
Kabigon diyAudio Member Join Date: May 2009	See this: http://en.wikipedia.org/wiki/Varicap

16th May 2009, 12:08 PM	#3
jimbo1968 diyAudio Member Join Date: Nov 2004 Location: UK, bristol	Thanks. Clever stuff these semiconductors. I predict they'll catch on.