----- Forwarded Message ----
From: Bill Stevenson <bill.stevenso...@yahoo.com>
To: Matt Ettus <m...@ettus.com>
Sent: Friday, January 30, 2009 5:39:18 PM
Subject: Re: [Discuss-gnuradio] calculation of the real transmitted signal
power if --tx-amplitidue is set dynamically
________________________________
From: Matt Ettus <m...@ettus.com>
To: Bill Stevenson <bill.stevenso...@yahoo.com>
Cc: discuss-gnuradio@gnu.org
Sent: Friday, January 30, 2009 12:54:11 PM
Subject: Re: [Discuss-gnuradio] calculation of the real transmitted signal
power if --tx-amplitidue is set dynamically
Bill Stevenson wrote:
> Hello, all!
>
> We are using RFX2400 to transmit some signals. As known, transmit power of
> that board is said to be 50mW shown on the datasheet and the default value of
> --tx-amplitude in benchmark_tx.py file is 12000. Can we say the real
> transmitted signal power is 50mW which is correspoding to 12000 for
> --tx-amplitude? Is the transmitted signal power changing with the parameter
> --tx-amplitude linearly? Could any friend give me a hint? Thanks a lot!!!
>
Like any transmitter, the power out will vary depending on many factors, like
the exact frequency and board and component tolerances. If you really care
about the exact power, you'll need to measure it.
Matt
Thanks Matt. We will test the transmitted power via oscilloscope!
Bill
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