Am 29.11.2015 um 01:35 schrieb Poul-Henning Kamp:
I need to convert a 5MHz 0.2Vpp AC coupled sine signal to a 3.3V
CMOS compatible logic signal.
The "default" comparator based circuit either requires a negative
supply or 4 resitors for biasing the input and setting the zero level.
(The hysteresis resistor is the same in both cases).
Since space is a bit tight, I've been trying to find something like
a "x10 self-biasing amplifier" but without luck.
Any good ideas ?
SN65LVDS2DBVT or similar with 1k/100nF feedback from OUT to INV to get
50% duty cycle
if you want that. Available also with 100 Ohm input termination. SOT23-5.
< http://www.ti.com.cn/cn/lit/ds/symlink/sn65lvds1.pdf >
regards, Gerhard
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