C
curt
Guest
Can someone explain how these transmit a signal,(What do they use for
power to do the transmitting??????)
power to do the transmitting??????)
J
Jim Thompson
Guest
On 2 Mar 2004 07:11:34 -0800, hungry1@fastmail.fm (curt) wrote:
They are themselves powered by the power emitted by the reader.
They pass information to the reader by presenting a variable RF load.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice
480)460-2350 | |
| E-mail Address at Website Fax480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
"Will you love me when I'm sixty-four?"
I assume you mean *passive* tags?
They are themselves powered by the power emitted by the reader.
They pass information to the reader by presenting a variable RF load.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice
480)460-2350 | || E-mail Address at Website Fax
480)460-2142 | Brass Rat || http://www.analog-innovations.com | 1962 |
"Will you love me when I'm sixty-four?"
A
AtPCLogic
Guest
But don't count on a very long range.... a few feet tops.Subject: Re: RFID
From: Jim Thompson thegreatone@example.com
Date: 3/2/04 10:59 AM Eastern Standard Time
Message-id: <anb9405hr4aim2ug414ubcq52tp109gm18@4ax.com
On 2 Mar 2004 07:11:34 -0800, hungry1@fastmail.fm (curt) wrote:
Can someone explain how these transmit a signal,(What do they use for
power to do the transmitting??????)
I assume you mean *passive* tags?
They are themselves powered by the power emitted by the reader.
They pass information to the reader by presenting a variable RF load.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice
| E-mail Address at Website Fax
| http://www.analog-innovations.com | 1962 |
"Will you love me when I'm sixty-four?"
Brad
PC Logic
Schematic entry and PCB design software
http://www.pclogic.biz
http://members.aol.com/atpclogic/index.html
J
Jim Thompson
Guest
On 02 Mar 2004 16:19:56 GMT, atpclogic@aol.com (AtPCLogic) wrote:
[snip]
with sleep-mode to keep the average power consumption in the mud.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice480)460-2350 | |
| E-mail Address at Website Fax480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
"Will you love me when I'm sixty-four?"
[snip]
Yep! Most of my recent chip designs have been battery-powered tags
with sleep-mode to keep the average power consumption in the mud.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice
480)460-2350 | || E-mail Address at Website Fax
480)460-2142 | Brass Rat || http://www.analog-innovations.com | 1962 |
"Will you love me when I'm sixty-four?"