Re: USB to IEC

From: Jim Brain <brain_at_jbrain.com>
Date: Tue, 7 Jan 2020 11:58:04 -0600
Message-ID: <7113ca2c-dd04-94d0-69db-4417c7352f78_at_jbrain.com> 
On 1/7/2020 4:24 AM, Mia Magnusson wrote:
> Btw the level converters Raj Wurttemberg linked to will damage the PI
> after a while if using more than one device on the IEC bus (in addition
> to the PI), so for example combining a PI1541 with a real 1541 should
> be done with the unidirectional active level converters instead of
> those passive-ish bidirectional converters.

How so?  The FETs are open drain, so do not drive a high voltage at all, 
they just sink current.

Jim
Received on 2020-05-30 00:11:22

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