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Search: Posts Made By: luluFRA
Showing results 1 to 25 of 46
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Forum: Radio and Electronics
11-12-2015, 01:22 PM
Replies: 355
Views: 175,916
Posted By luluFRA

Howard, how you calculate the length of the L1 ? ...

Howard, how you calculate the length of the L1 ?
on PCB : 20T of 1.1"
on prototype : 16 T of ?

The length of L1 is around 20x4x1.1" = 88" ? (use with 47pF & 62pF)

thank
Forum: Radio and Electronics
08-02-2014, 12:47 PM
Replies: 355
Views: 175,916
Posted By luluFRA

perfect job ! condac, why you don't used the...

perfect job !
condac, why you don't used the howard transponder design ?
Forum: Radio and Electronics
08-02-2014, 10:33 AM
Replies: 355
Views: 175,916
Posted By luluFRA

good job, file in ".sch" are eagle file ? ...

good job, file in ".sch" are eagle file ?

thanks.
Forum: Radio and Electronics
07-08-2014, 03:05 AM
Replies: 675
Views: 297,027
Posted By luluFRA

Ok, howardcano, can we get some details about the...

Ok, howardcano, can we get some details about the coding?

Thanks
Forum: Radio and Electronics
06-11-2014, 01:29 PM
Replies: 675
Views: 297,027
Posted By luluFRA

OK,thanks, between a RC3 and RC4 sequences on a...

OK,thanks, between a RC3 and RC4 sequences on a RC4 transponder, have you seen some equal bit after their preamble ?
Forum: Radio and Electronics
06-11-2014, 11:22 AM
Replies: 675
Views: 297,027
Posted By luluFRA

If an Rc4 has no sequence message, Payalneg, how...

If an Rc4 has no sequence message, Payalneg, how you detect an rc4 transponder ?

Thanks.
Forum: Radio and Electronics
06-11-2014, 08:55 AM
Replies: 675
Views: 297,027
Posted By luluFRA

How many messages are send by a RC4 transponder ?...

How many messages are send by a RC4 transponder ?
RC3 preamble + "ID" message
RC3 preamble +7 status messages
RC4 preamble + ?????

thanks.
Forum: Radio and Electronics
06-11-2014, 03:50 AM
Replies: 675
Views: 297,027
Posted By luluFRA

Somes news ? thanks

Somes news ?
thanks
Forum: Radio and Electronics
04-28-2014, 05:19 AM
Replies: 355
Views: 175,916
Posted By luluFRA

Where did you buy your mini circuit transformer ?...

Where did you buy your mini circuit transformer ?
Thanks
Forum: Radio and Electronics
04-25-2014, 03:22 AM
Replies: 355
Views: 175,916
Posted By luluFRA

Great job ! Can you share schematic ?

Great job !
Can you share schematic ?
Forum: Radio and Electronics
04-25-2014, 03:18 AM
Replies: 355
Views: 175,916
Posted By luluFRA

ok thanks, but it's not the same design like this...

ok thanks, but it's not the same design like this link ?

http://www.rctech.net/forum/radio-electronics/735122-payalnegs-transponder.html

thanks.
Forum: Radio and Electronics
04-23-2014, 07:07 AM
Replies: 355
Views: 175,916
Posted By luluFRA

It's not the howard design? you use an attiny25...

It's not the howard design?
you use an attiny25 and 20MHz oscillator ?
only 2 layers ?
Forum: Radio and Electronics
04-15-2014, 02:03 AM
Replies: 675
Views: 297,027
Posted By luluFRA

ok, we can delete C6 and R12 if J4 is not used on...

ok, we can delete C6 and R12 if J4 is not used on the loop amplifier.
It ' s OK ?
Forum: Radio and Electronics
04-14-2014, 12:06 PM
Replies: 675
Views: 297,027
Posted By luluFRA

http://www.rctech.net/forum/12222187-post251.html...

http://www.rctech.net/forum/12222187-post251.html

howardcano,

LOOP CONSTRUCTION:

Use 18 AWG stranded, insulated wire. Wire must terminate as closely as possible to loop amplifier input,...
Forum: Radio and Electronics
12-29-2013, 12:58 PM
Replies: 675
Views: 297,027
Posted By luluFRA

Is it possible to give the SPI signal...

Is it possible to give the SPI signal characteristic ?
number of bit, parity, SPI mode, clock polarity, data is capture on clock's rising edge or falling edge ?

Thanks.
Forum: Radio and Electronics
12-09-2013, 01:41 PM
Replies: 355
Views: 175,916
Posted By luluFRA

How many "status messages" has a AMB transponder...

How many "status messages" has a AMB transponder ?
A AMB transponder has a "ID message" which is repeated 3 times.
Is it possible to record a status messages group, and send it this group with...
Forum: Radio and Electronics
12-09-2013, 01:03 PM
Replies: 355
Views: 175,916
Posted By luluFRA

Thanks, I understood !

Thanks, I understood !
Forum: Radio and Electronics
12-09-2013, 10:56 AM
Replies: 355
Views: 175,916
Posted By luluFRA

howardcano, Between 5 and 6, you don't need...

howardcano,

Between 5 and 6, you don't need change value off pin 5 and pin 6 ?

thanks.
Forum: Radio and Electronics
10-14-2013, 11:50 AM
Replies: 675
Views: 297,027
Posted By luluFRA

an update for the cano arduino personal...

an update for the cano arduino personal decoder.....
it's time to make the PCB !
a picture of the cano shield.....
...
Forum: Radio and Electronics
08-12-2013, 09:14 AM
Replies: 675
Views: 297,027
Posted By luluFRA

Why do you use the LM319 component in 3V3 power...

Why do you use the LM319 component in 3V3 power supply instead of 5V ?
The LM319 is designed to operate with a power supply > 5V

thanks
Forum: Radio and Electronics
08-12-2013, 06:11 AM
Replies: 675
Views: 297,027
Posted By luluFRA

Some news about my arduino / EPLD howardcano...

Some news about my arduino / EPLD howardcano design decoder.
The EPLD and arduino interface are done, now it's time to develop the smart phone & PC software.
Hardware :
one arduino leonardo board...
Forum: Radio and Electronics
08-08-2013, 10:25 AM
Replies: 355
Views: 175,916
Posted By luluFRA

Is someone sells PCB transponder ? PM please. ...

Is someone sells PCB transponder ?
PM please.

Thanks.
Forum: Radio and Electronics
06-04-2013, 12:06 PM
Replies: 675
Views: 297,027
Posted By luluFRA

ok, thanks. Is it possible to know the AMBrc...

ok, thanks.
Is it possible to know the AMBrc protocol ?
Forum: Radio and Electronics
06-04-2013, 10:56 AM
Replies: 675
Views: 297,027
Posted By luluFRA

Howard, Is it possible to replace U24 (74AC4040)...

Howard, Is it possible to replace U24 (74AC4040) on digital phase detector to 1/2 74HC393 ?
40Mhz frequency is the limitation ?
Forum: Radio and Electronics
06-03-2013, 01:29 PM
Replies: 675
Views: 297,027
Posted By luluFRA

ok, this is an addition ! but another...

ok, this is an addition !

but another question, why you are doing an addition with 0x7FFFFF ?
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