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From: legg <legg@nospam.magma.ca>
Newsgroups: sci.electronics.design
Subject: Re: fast NPN in LT Spice
Date: Mon, 03 Jun 2024 13:36:46 -0400
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On Sun, 02 Jun 2024 20:22:57 -0700, john larkin <jl@650pot.com> wrote:

>On Sun, 2 Jun 2024 20:35:02 -0400, "Edward Rawde"
><invalid@invalid.invalid> wrote:
>
>>"john larkin" <jl@650pot.com> wrote in message news:4n2q5jln0sb9oqbfp81jm723tbjf7tol80@4ax.com...
>>> On Sun, 2 Jun 2024 19:46:14 -0400, "Edward Rawde"
>>> <invalid@invalid.invalid> wrote:
>>>
>>>>"john larkin" <jl@650pot.com> wrote in message news:eqsp5jde87vqs6du4a7djoalag7kpkuhkr@4ax.com...
>>>>> There are many NPNs in the standard LT Spice library.
>>>>>
>>>>> Does anyone know of a fast, RF type, transistor? It's hard to tell
>>>>> from the jillion lines of fine-print parameters.
>>>>
>>>>https://www.google.com/search?q=".model+BFR92A"
>>>>
>>>>>
>>>>> I want to make a model of the MC10EP89 gate.
>>>>>
>>>>
>>>
>>> That doesn't seem to be in the LT Spice library.
>>>
>>> 2SC3838K looks OK.
>>>
>>> It's hard to pick parts, discrete or ICs, from the library.
>>
>>Yes it would be nice if a description of the part as well as the part number could be included.
>>
>>> 
>>
>
>A sortable column of Ft would be nice for transistors. Lacking that,
>sorting on Vce helps spot the RF parts. Low voltage suggests RF.
>
>

Tr and Tf are useful for models.

There are a few more ecl models in the current spreadsheet.
Some are duplicates from different revs or sources - variations 
possibly due to published typos. (~ varying XTI, VJS, IKF, ITF)

http://ve3ute.ca/query/bjt_spice_parameter.zip

RL