Hi Bruce,
On 05/26/2015 01:39 AM, Bruce Griffiths wrote:
The following patent hints that the LTC6957 front end
probably consists of several cascaded long tailed pair
differential amplifier stages each with a selectable
bandwidth set by capacitors shunting the collector load
resistors. : US8319551
The input limiter is in effect a Collins style limiter with
selectable bandwidth for each stage to reduce the noise
with respect to a comparator which typically has several
high gain wide bandwidth cascaded differential amplifier
stages.
Interesting patent indeed.
Nothing new in principle for those following the Collins school, but
interesting to see how it spreads.
Cheers,
Magnnus
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