base voltage

Leolabs · 3rd June 2006, 10:18 AM

For a BJT common base amplifier(which are found a lot in cascoded stages),how to determine the base voltage???

janneman · 3rd June 2006, 11:00 AM

You look at the emitter voltage you want, and then the base voltage needs to be 0.65V or so higher (for NPN, lower for PNP).

Jan Didden

3rd June 2006, 10:18 AM	#1
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	base voltage For a BJT common base amplifier(which are found a lot in cascoded stages),how to determine the base voltage???

3rd June 2006, 11:00 AM	#2
janneman diyAudio Member Join Date: May 2002 Location: Where Germany, The Netherlands and Belgium meet Blog Entries: 6	You look at the emitter voltage you want, and then the base voltage needs to be 0.65V or so higher (for NPN, lower for PNP). Jan Didden __________________ /Another new issue: Linear Audio Volume 3!

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
What about FETs for Cellular Base Stations in Audio Cascode Voltage Gain Stage (line	tiefbassuebertr	Solid State	8	23rd August 2009 02:53 AM
base-emitter voltage	clovi_kate	Solid State	7	22nd March 2007 08:20 AM
Transistor base negative voltage	Bazukaz	Solid State	19	31st May 2006 11:32 PM
base for amp	karma	Tubes / Valves	7	18th June 2004 03:03 AM
Bed base as a big sub?	DPW666	Multi-Way	9	10th March 2003 07:48 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

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)