Are you doing DGPS?
An an alterative to the roll-your-own SDR, tou can build a direct
conversion small receiver or IF converter with a SA602 chip, which
contains a Gilbert cell mixer and a local oscillator.
Here is a board that will do most of what you want, if you're willing to
live with the
Hi
I want to build a small, cheap, yet precise long-wave receiver which
can be
tuned from the computer in the 2KHz - 200 KHz range (the intended use
is to receive various time signal stations).
Does a chip for such a receiver exist? Should I take the SDR route?
I designed a DCF77 receivers
In message 38553aad-ecc6-4af8-90b3-42bbec366...@msys.ch, Marc Balmer writes:
I want to build a small, cheap, yet precise long-wave receiver which
can be
tuned from the computer in the 2KHz - 200 KHz range (the intended use
is to receive various time signal stations).
Does a chip for such a
Am 22.06.2009 um 10:14 schrieb Poul-Henning Kamp:
In message 38553aad-ecc6-4af8-90b3-42bbec366...@msys.ch, Marc
Balmer writes:
I want to build a small, cheap, yet precise long-wave receiver which
can be
tuned from the computer in the 2KHz - 200 KHz range (the intended use
is to receive
In message 70d1e333-26c4-4068-bfac-30d689bbf...@msys.ch, Marc Balmer writes:
Ok, thanks. I happen to have some Overp Earth boards, OMAP 3503
Application Processor with ARM Cortex-A8 CPU, do you think these
will handle the job? (runnin at 600 MHz). They say it makes up 1200
dhrytsone mips
It's
Am 22.06.2009 um 11:46 schrieb Poul-Henning Kamp:
In message 70d1e333-26c4-4068-bfac-30d689bbf...@msys.ch, Marc
Balmer writes:
Ok, thanks. I happen to have some Overp Earth boards, OMAP 3503
Application Processor with ARM Cortex-A8 CPU, do you think these
will handle the job? (runnin at
In message 0587cb86-96ef-4660-9fbe-8c1d1fdfb...@msys.ch, Marc Balmer writes:
unfortunately it's only a TI TPS65950 which has only an audio codec,
the ADC doing 48kHz max.
That's still usable, you could for instance use a DRM frontend
like the pappradio
There are some links here:
Hi Marc:
The SDR-IQ has the ability to record everything between 500 Hz and 190 kHz when
used with a fast enough PC. This is the best of the SDR series for use below
200 kHz.
It can be used with SpectraVue or Winrad.
Works with I2PHD WINRAD, SM5BSZ LINRAD, HOKA and DRM software. See:
Am 22.06.2009 um 16:18 schrieb Brooke Clarke:
Hi Marc:
The SDR-IQ has the ability to record everything between 500 Hz and
190 kHz when used with a fast enough PC. This is the best of the
SDR series for use below 200 kHz.
It can be used with SpectraVue or Winrad.
Works with I2PHD WINRAD,
In message 4a3f9299.9080...@pacific.net, Brooke Clarke writes:
The SDR-IQ has the ability to record everything between 500 Hz and 190 kHz
when
used with a fast enough PC. This is the best of the SDR series for use below
200 kHz.
I have looked at that earlier, but it does not look like it is
Hi Poul:
The SDR-IQ has holes in the PCB for an SMA jack and there's a jumper/resistor
used to select either the on board 66 MHz crystal oscillator or the external
source. See:
http://www.prc68.com/I/Bats.shtml#SDRIQ
Have Fun,
Brooke Clarke
http://www.prc68.com
Poul-Henning Kamp wrote:
In
, 2009 7:18 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Ideas for a long-wave receiver sought
Hi Marc:
The SDR-IQ has the ability to record everything between 500
Hz and 190 kHz when used with a fast enough PC. This is the
best of the SDR series
...@febo.com]on
Behalf Of Lux, James P
Sent: Monday, June 22, 2009 9:13 AM
To: bro...@pacific.net; Discussion of precise time andfrequency
measurement
Subject: Re: [time-nuts] Ideas for a long-wave receiver sought
200kHz is a bit tricky for the top end.. That probably puts the
standard music
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