All About Circuits Forum  

Go Back   All About Circuits Forum > Electronics Forums > Homework Help

Notices

Homework Help Stuck on a textbook question or coursework? Cramming for a test and need help understanding something? Post your questions and attempts here and let others help.

Reply   Post New Thread
 
Thread Tools Display Modes
  #1  
Old 10-06-2007, 02:43 PM
penotskie penotskie is offline
New Member
 
Join Date: Oct 2007
Posts: 7
Smile MOD 32 even and odd counter using IC 7473

Can u help my pls? only the diagram for MOD 32 even counter and odd counter.. pls send me the diagram to my email add penotskie@yahoo.com...
Reply With Quote
  #2  
Old 10-06-2007, 04:09 PM
techroomt techroomt is offline
Senior Member
 
Join Date: May 2004
Location: pennsylvania
Posts: 198
Default

i'm not sure what you are looking for. a counter made of flip flops, ic's, gates? what have you so far?
Reply With Quote
  #3  
Old 10-06-2007, 04:17 PM
penotskie penotskie is offline
New Member
 
Join Date: Oct 2007
Posts: 7
Smile IC 7473 are made of flipflop

Do you have a diagram there? any kind of IC's, gates that can count even numbers...
Reply With Quote
  #4  
Old 10-06-2007, 04:22 PM
penotskie penotskie is offline
New Member
 
Join Date: Oct 2007
Posts: 7
Smile

Pls help me.. diagram of a counter using flipflop or ic's that can count up to 31 and the output would be even numbers...

Last edited by penotskie; 10-06-2007 at 05:00 PM.
Reply With Quote
  #5  
Old 10-06-2007, 04:59 PM
penotskie penotskie is offline
New Member
 
Join Date: Oct 2007
Posts: 7
Red face

Pls help me.. diagram of a counter using flipflop or ic's that can count up to 31 and the output would be even numbers...
Reply With Quote
  #6  
Old 10-06-2007, 05:29 PM
hgmjr's Avatar
hgmjr hgmjr is offline
Super Moderator
 
Join Date: Jan 2005
Location: Tennessee, USA (GMT-6)
Posts: 9,030
Blog Entries: 11
Default

How about if you just build a 0 to 15 binary counter and then always force the least significant bit (Bit0) of the output to be a zero. Bit0 from the 4-bit counter will be Bit1 of the output, Bit1 of the 4-bit counter will be the Bit2 of the output, Bit2 of the 4-bit counter will be Bit3 of the output and Bit3 of the 4-bit counter will be Bit4 of the output.

hgmjr
Reply With Quote
  #7  
Old 10-06-2007, 06:01 PM
penotskie penotskie is offline
New Member
 
Join Date: Oct 2007
Posts: 7
Default

hmm but i need 5bit binary counter... is a decoder needed for 5bit?
Reply With Quote
  #8  
Old 10-06-2007, 06:09 PM
hgmjr's Avatar
hgmjr hgmjr is offline
Super Moderator
 
Join Date: Jan 2005
Location: Tennessee, USA (GMT-6)
Posts: 9,030
Blog Entries: 11
Default

This is 5 bits. Bit0 of the output is always the value 0. This insures that the output is even. Then the four bits from the 4-bit counter make up bits 1 thru 4 of the output.

hgmjr
Reply With Quote
  #9  
Old 10-06-2007, 06:11 PM
penotskie penotskie is offline
New Member
 
Join Date: Oct 2007
Posts: 7
Default

Do you have a diagram? because im a beginner with this counter.. i uses workbench..
Reply With Quote
  #10  
Old 10-06-2007, 06:24 PM
hgmjr's Avatar
hgmjr hgmjr is offline
Super Moderator
 
Join Date: Jan 2005
Location: Tennessee, USA (GMT-6)
Posts: 9,030
Blog Entries: 11
Default

It is really very straightforward. Build a textbook 4-bit counter the output of which would be as follows

Code:
 
Output of 4-bit counter would look like this:
 
BBBB DEC
3210
----
0000  0
0001  1
0010  2
0011  3
0100  4
...
1100 12
1101 13
1110 14
1111 15
 
The next step would be to append a constant "0" and 
promote the four outputs from the 4-bit counter.
 
BBBB B  DEC
4321 0
------
0000 0  0
0001 0  2
0010 0  4
0011 0  6
0100 0  8
......
1100 0 24
1101 0 26
1110 0 28
1111 0 30
Select All
Does that make it clearer?

hgmjr
Reply With Quote
Reply   Post New Thread

Tags
, , ,


Related Site Pages
Section Title
Worksheet Digital-to-Analog conversion
Worksheet Counters
Worksheet Mixed-frequency signals
Textbook Ring counters : Shift Registers
Textbook Asynchronous counters : Sequential Circuits Counters
Textbook 3-bit binary counter : Digital Integrated Circuits


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 03:33 AM.


User-posted content, unless source quoted, is licensed under a Creative Commons Public Domain License.
Powered by vBulletin
Copyright ©2000 - 2014, vBulletin Solutions, Inc.