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Results tagged with schmitt-trigger
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user 217549
Anything related to Schmitt trigger circuits. Schmitt triggers are positive feedback comparator circuits exhibiting hysteresis.
7
votes
Accepted
Minimizing signal delay when debouncing
If you insist on a H/W solution, a diode will make the charging/discharging of the cap asymmetrical. The delay will be a few microseconds. The recovery time will be a few milliseconds.
simulate thi …
- 17.4k
6
votes
Accepted
Maximum current drawn by Schmitt-Trigger
Static power with the input at either rail:
\$I_{cc} = 10 \mu A\$
If the input is not at the rail (Vcc - 0.6 V is worst case), add:
\$\Delta I_{cc} = 500 \mu A\$
If the input is oscillating, you need …
- 17.4k
3
votes
Accepted
TTL Schmitt trigger vs TTL in relaxation oscillator
Schmitt triggers have hysteresis. Without hysteresis, the inverter will behave more like a linear amplifier. The frequency will be less predictable because it will depend more on the internal characte …
- 17.4k
1
vote
RC circuit and HEX SCHMITT-TRIGGER INVERTERS
Standard TTL inputs do not have a high input impedance, you need to use a much smaller resistor with this IC. Or, use a 74AC14, it has a very high input impedance; you will get the result you want wit …
- 17.4k
1
vote
Can't get this schmitt oscillator to work...did I goof somewhere?
Please draw your schematics so they flow left to right as much as possible. I have redrawn the left portion so it is easy to follow.
At power-on, all the caps will be discharged, and all the three …
- 17.4k