Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

555 timer frequency problem

Status
Not open for further replies.

rakirajueee08

Junior Member level 3
Joined
Jun 5, 2013
Messages
25
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,446
can i change the frequency of a astable multivibrator circuit of 555 timer by selecting the R1,R2,C? ineed two mhz signal ?for this 2 mhz frequency which values of resistance i can pick up if i use c=0.1 uf?
 

amayilsamy

Advanced Member level 1
Joined
Feb 5, 2013
Messages
422
Helped
38
Reputation
76
Reaction score
35
Trophy points
1,308
Location
Chennai,India
Activity points
3,369
You Can use. R1= 3.3 K R2= 1.8K , C=0.1 nF. OR R1= 2.2 K R2= 1.2K , C=0.1 nF.

If C=0.1 uF. It is difficult generate 2 MHz.

I hope Its helps you.
 

rakirajueee08

Junior Member level 3
Joined
Jun 5, 2013
Messages
25
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,446
you said that it is difficult to generate 2 mhz.but your parameter gives 3.137 mhz.will it be stable and good working.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top