Re: 555 timer 50% duty cycle
On 2006-12-27, panfilero <panfilero@xxxxxxxxx> wrote:
Hi, does anyone know how I could get a 555 timer to operate in astable
mode at a 50% duty cycle? All the circuits I've seen are always for
greater than 50%. thanks.
change the voltage on pin 5 or use a different circuit, how much precision
do you need?
Bye.
Jasen
.
Relevant Pages
- Re: Help with simple 555 timer
... omitted the 10nF capacitor from pin 5 to ground that the manufacturers' ... reset pin open circuit as well - again, in the example circuits ... this is returned to the positve rail if the reset function isn't being ...
(sci.electronics.design) - ESD problems with PIC 16F88
... I have built a number of battery operated circuits using PIC16F88s. ... connection for controlling LED outputs by RS232 comms. ... Sometimes when you touch the socket with your finger, ... pin of the USART. ...
(comp.arch.embedded) - Re: Help with simple 555 timer
... omitted the 10nF capacitor from pin 5 to ground that the manufacturers' ... Its only purpose is to give slightly ... reset pin open circuit as well - again, in the example circuits ...
(sci.electronics.design) - Re: undervoltage lockout for flyback powersupply input
... circuits will only prevent startup until 75V, ... circuit if the voltage drops below 75V. ... Pull the Ct pin low ...
(sci.electronics.design) - Fighting LMD18200 - Im going insane!
... Pin 4 - Brake input, ... and the chip starts to draw about 450mA on the 24V line. ... The 22n caps should nominally be 10nF, but I didn't have any lying ... I googled and found a few sample circuits on ...
(comp.arch.embedded) |
|
