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What is the meaning of 10:1 duty-cycle operation?
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Mac7978



Joined: 17 Oct 2003
Posts: 44
Post12 Jan 2005 15:27   

What is the meaning of 10:1 duty-cycle operation?
Hi all,

When I read the data sheet of Micrel's 868MHz receiver, it mention that shutdown mode for >10:1 duty-cycle operation. But i am not understand the meaning of "10:1", can anyone explain for me?

Thanks x 1000

BR

Mac
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ajhsu



Joined: 04 Apr 2004
Posts: 224
Helped: 3
Post12 Jan 2005 17:04   

Re: What is the meaning of 10:1 duty-cycle operation?
For example of GSM system,

One time slot = 576.9us

One user is occuping 1 time slot among a frame (8 time slots ) and to go around
and around.

So to say the HW turn on the circuit 1 x 576.9us and turn off the rest of
7 x 576.9us circuit operation and keep repeating.

So the HW is 8:1 duty-cycle operation.
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DonJ



Joined: 27 Dec 2004
Posts: 127
Helped: 2
Post12 Jan 2005 23:59   

Re: What is the meaning of 10:1 duty-cycle operation?
Put another way:

The ratio between the Idle and Active time
(let's say you transmit in 1 minute every hour: Duty cycle=1:60. Well, here I've put the active time first.)

A.T.B
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