WWVB receiver schematic inquiry
Hello,
I am trying to make a WWVB radio clock and I'm currently working on the
antenna/receiver portion. I have done a fair bit of research and have found
a few schematics but was wondering if anyone here has any designs that
worked for them. I plan on using a ferrite loopstick antenna and would be
grateful if someone could redirect me to some good resources/designs. I am
aware there are prebuilt receivers sold, but I would like to build it
myself.
Thanks,
-Max
Universal-Solder in Canada sells the kits, but they also sell some of the discrete components if you wanted to roll your own.
Atomic Clock Receiver 60kHz, 77.5kHz For North America, Europe, Japan (universal-solder.ca)https://universal-solder.ca/product-category/atomic-clock-radio-receiver/
-=Bryan=-
From: Maxaner Radcliff via time-nuts time-nuts@lists.febo.com
Sent: February 26, 2023 10:57 PM
To: time-nuts@lists.febo.com time-nuts@lists.febo.com
Cc: Maxaner Radcliff maxanerradcliff@gmail.com
Subject: [time-nuts] WWVB receiver schematic inquiry
Hello,
I am trying to make a WWVB radio clock and I'm currently working on the
antenna/receiver portion. I have done a fair bit of research and have found
a few schematics but was wondering if anyone here has any designs that
worked for them. I plan on using a ferrite loopstick antenna and would be
grateful if someone could redirect me to some good resources/designs. I am
aware there are prebuilt receivers sold, but I would like to build it
myself.
Thanks,
-Max
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Hi
How portable does this device need to be? If this is a fixed location design,
the antenna can be something pretty “major”. If it needs to be portable, the
small version of the ferrite loopstick is indeed the goto answer.
Bob
On Feb 27, 2023, at 1:57 AM, Maxaner Radcliff via time-nuts time-nuts@lists.febo.com wrote:
Hello,
I am trying to make a WWVB radio clock and I'm currently working on the
antenna/receiver portion. I have done a fair bit of research and have found
a few schematics but was wondering if anyone here has any designs that
worked for them. I plan on using a ferrite loopstick antenna and would be
grateful if someone could redirect me to some good resources/designs. I am
aware there are prebuilt receivers sold, but I would like to build it
myself.
Thanks,
-Max
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To unsubscribe send an email to time-nuts-leave@lists.febo.com
Max,
This Canadian source
has WWVB antennas, a receiver chip and an Arduino demo board with
source code.
The demo clock locks in minutes during the day on the West Coast.
Regards,
Peter
On 2/26/2023 10:57 PM, Maxaner Radcliff via time-nuts wrote:
Hello,
I am trying to make a WWVB radio clock and I'm currently working on the
antenna/receiver portion. I have done a fair bit of research and have found
a few schematics but was wondering if anyone here has any designs that
worked for them. I plan on using a ferrite loopstick antenna and would be
grateful if someone could redirect me to some good resources/designs. I am
aware there are prebuilt receivers sold, but I would like to build it
myself.
Thanks,
-Max
time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com
Hi Max:
I think a key part of the design is to make all the circuitry as high in impedance as you can. This idea is based on
the design of the loopstick for the C-Max. See:
https://prc68.com/I/Loop.shtml#cmxcl
Maybe you could send me schematics?
--
Have Fun,
Brooke Clarke, N6GCE
https://www.PRC68.com
axioms:
- The extent to which you can fix or improve something will be limited by how well you understand how it works.
- Everybody, with no exceptions, holds false beliefs.
-------- Original Message --------
Hello,
I am trying to make a WWVB radio clock and I'm currently working on the
antenna/receiver portion. I have done a fair bit of research and have found
a few schematics but was wondering if anyone here has any designs that
worked for them. I plan on using a ferrite loopstick antenna and would be
grateful if someone could redirect me to some good resources/designs. I am
aware there are prebuilt receivers sold, but I would like to build it
myself.
Thanks,
-Max
time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com
Max
It depends on what your interest is. If you want to decode the AM signal
then you can simply use a TRF receiver. The challenge these days are
getting inductors for the tank circuits. As a result newer designs use op
amp bandpass filters. Technology being what it is there are single chip
units for very little cost. Add the loop and a 60 KHz crystal and it works
at very low power consumption. The C-MAX chip is an example if they can be
obtained these days.
However if you want to decode the PSK signal thats a much more complicated
design. Search for KD2BD and that should get the QEX article. I have built
it and it does indeed work.
Depending on your location and distance from wwvb will establish how well
the receiver will work over 24 hours.
Near Boston I use a 10' X 10' square loop with several hundred feet of wire
and preamp.
Good luck.
Paul
WB8TSL
On Mon, Feb 27, 2023 at 5:24 PM Maxaner Radcliff via time-nuts <
time-nuts@lists.febo.com> wrote:
Hello,
I am trying to make a WWVB radio clock and I'm currently working on the
antenna/receiver portion. I have done a fair bit of research and have found
a few schematics but was wondering if anyone here has any designs that
worked for them. I plan on using a ferrite loopstick antenna and would be
grateful if someone could redirect me to some good resources/designs. I am
aware there are prebuilt receivers sold, but I would like to build it
myself.
Thanks,
-Max
time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com