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How does NE555 work? Bistable, Monostable, Astable, with schematic examples. The COMPLETE Guide.

Ron Mattino 14,521 2 years ago
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Please Donate: BTC:384FUkevJsceKXQFnUpKtdRiNAHtRTn7SD ETH: 0x20ac0fc9e6c1f1d0e15f20e9fb09fdadd1f2f5cd 0:00 NE555 - The Complete Guide 0:56 The 5k resistor divider in the NE555. 2:05 The input stage of NE555. How does a comparator work? 3:17 Use of comparators in the NE555. 4:14 How does the RS flip-flop work? 5:15 The switching principle of the RS flip-flop in the NE555. 6:41 NE555 output stage. The invertor and the transistor switch. 8:27 BISTABLE MODE using the Trig and Tresh inputs. 11:07 Bistable mode using the Reset input. 11:44 Notes on pull-up and pull-down resistors usage. 11:55 Bistable mode with Trig and Thresh tied together. 14:28 MONOSTABLE MODE. 17:30 Delay timer using the monostable mode. 18:16 Formulas for delay calculation. 19:42 The CONT (control) pin in the NE555. 20:35 One-shot multivibrator, sample implementation. 21:21 ASTABLE MODE (the oscillator). 23:52 Controlling Duty cycle in the Astable mode. 24:44 Two-diode connection scheme of the NE555. 26:21 Discharging the capacitor using pin 3 of the NE555. 26:57 NE555-based PWM-controller. 27:59 Parasite oscillation in the 555. 29:19 How to make frequency stable as duty cycle changes? 30:41 Using the CONT pin to fine-tune the comparator operation. 32:02 PWM-controller for high current load using a Mosfet. 32:52 Why do we need two capacitors in parallel to the supply? 34:12 The CMOS-version of the 555- LMC555 35:29 Ron Mattino -- Thanks for watching!

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