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Suggest a test oscillator for the AS3341 Lin2Exp IC
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NuttyMonk



Joined: Jun 30, 2020
Posts: 62
Location: UK

PostPosted: Sun Jul 04, 2021 10:59 am    Post subject: Suggest a test oscillator for the AS3341 Lin2Exp IC Reply with quote  Mark this post and the followings unread

Hi all,


i've managed to get my hands on 2 evaluation sample units of the AS3341 Linear to Exponential converter IC from Alfa (also called a voltage-controlled current source) and i'm looking for an oscillator schematic to test it out on when it arrives.

Anyone got a suggestion?

From the datasheet it looks like the chip works as a current sink. I was thinking of using the CD40106-based oscillator from Moritz Klein but i'm not sure how good that design is at high frequency compensation.

The AS3341 has all the tempco built into it so no need for temp compensation externally. No gluing components together with heat-transfer compound. Nice.

All ideas appreciated.

Cheers

NM

https://www.alfarzpp.lv/eng/sc/AS3341.php


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NuttyMonk



Joined: Jun 30, 2020
Posts: 62
Location: UK

PostPosted: Tue Jul 06, 2021 9:22 am    Post subject: Reply with quote  Mark this post and the followings unread

The IC's arrived. I wish they all looked this good Smile Pity my phone camera is so crap.


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