Uber Oscillator AN-67 (Linear Technology)

sameerdhiman · 3rd January 2011, 11:20 AM

Hi,

Can we make "Uber Oscillator" into variable frequency oscillator (20Hz-20KHz) while retaining it's superb THD figure ?

If yes, then please guide me.

Regards,

Sameer Dhiman

jackinnj · 3rd January 2011, 12:43 PM

It uses current feedback operational amplifiers so you would have to be very careful with layout. Mine is just set to 10kHz which, it turns out, is a very good place to start testing amplifiers.

sameerdhiman · 3rd January 2011, 02:40 PM

Thanks jackinnj

Actually I am beginner (a sort of || resurrecting electronics hobby after 12yrs of inactivity) and re-setting up my work bench with equipments. I need an oscillator which can serve multiple roles in Bode plot, THD measurements etc.

I am planning to build oscillator and cordell's THD meter because branded ones are too costly for me and frequency generator lower models starts from around 9,000/- (INR + 12.5% Tax).

Please show me some light.

I am not interested in sound card based solutions because they are limited and THD figures are inconsistent.

Please correct me if I am wrong.

I have some questions about cordell's THD meter but I'll ask them later.

Regards,

Sameer Dhiman

sameerdhiman · 7th January 2011, 02:17 PM

Moderator please remove this thread.

Regards,

Sameer Dhiman

3rd January 2011, 11:20 AM	#1
sameerdhiman diyAudio Member Join Date: Nov 2009 Location: Ghaziabad (Delhi NCR)	Uber Oscillator AN-67 (Linear Technology) Hi, Can we make "Uber Oscillator" into variable frequency oscillator (20Hz-20KHz) while retaining it's superb THD figure ? If yes, then please guide me. Regards, Sameer Dhiman

7th January 2011, 02:17 PM	#4
sameerdhiman diyAudio Member Join Date: Nov 2009 Location: Ghaziabad (Delhi NCR)	Thread Removal Moderator please remove this thread. Regards, Sameer Dhiman __________________ Regards, Sameer Dhiman

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3rd January 2011, 12:43 PM	#2
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	It uses current feedback operational amplifiers so you would have to be very careful with layout. Mine is just set to 10kHz which, it turns out, is a very good place to start testing amplifiers.

3rd January 2011, 02:40 PM	#3
sameerdhiman diyAudio Member Join Date: Nov 2009 Location: Ghaziabad (Delhi NCR)	Thanks jackinnj Actually I am beginner (a sort of \|\| resurrecting electronics hobby after 12yrs of inactivity) and re-setting up my work bench with equipments. I need an oscillator which can serve multiple roles in Bode plot, THD measurements etc. I am planning to build oscillator and cordell's THD meter because branded ones are too costly for me and frequency generator lower models starts from around 9,000/- (INR + 12.5% Tax). Please show me some light. I am not interested in sound card based solutions because they are limited and THD figures are inconsistent. Please correct me if I am wrong. I have some questions about cordell's THD meter but I'll ask them later. Regards, Sameer Dhiman

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