old remote circuit

[steve]

Please see the following links for a pcb remote circuit.

http://yfrog.com/jy3nmp

http://yfrog.com/1fuh3p

http://yfrog.com/7bdtqp


Although it lights up, it does not work fully.

If you look closely at the caps C1 and C2, their tops are black.

Thanks.

Steve

 

[George Herold]

On Dec 9, 9:52 am, steve <kvst...@gmail.com> wrote:

Please see the following links for a pcb remote circuit.

http://yfrog.com/jy3nmp

http://yfrog.com/1fuh3p

http://yfrog.com/7bdtqp

Although it lights up, it does not work fully.

If you look closely at the caps C1 and C2, their tops are black.

Yup, they come like that. All my small ceramic caps have a little
black 'paint' on their tops... I don't know why.

George H.

Thanks.

Steve

 

[Jasen Betts]

On 2010-12-09, steve <kvsteve@gmail.com> wrote:

Please see the following links for a pcb remote circuit.

Although it lights up, it does not work fully.

you're giving it 12V?

If you look closely at the caps C1 and C2, their tops are black.

this is quite normal for values less than 100pF

--
⚂⚃ 100% natural

 

[steve]

On Dec 10, 5:00 am, Jasen Betts <ja...@xnet.co.nz> wrote:

On 2010-12-09, steve <kvst...@gmail.com> wrote:

Please see the following links for a pcb remote circuit.

Although it lights up, it does not work fully.

you're giving it 12V?

If you look closely at the caps C1 and C2, their tops are black.

this is quite normal for values less than 100pF

--
⚂⚃ 100% natural

---------------------------------------------------------------------------------------------------------------

That’s the specified 12v requirement.

The remote is supposed to have two outputs: one to switch the receiver
on, and another to switch it off.

The problem is that only one switch works.

 

[ehsjr]

steve wrote:

On Dec 10, 5:00 am, Jasen Betts <ja...@xnet.co.nz> wrote:

On 2010-12-09, steve <kvst...@gmail.com> wrote:


Please see the following links for a pcb remote circuit.

Although it lights up, it does not work fully.

you're giving it 12V?


If you look closely at the caps C1 and C2, their tops are black.

this is quite normal for values less than 100pF

--
⚂⚃ 100% natural


---------------------------------------------------------------------------------------------------------------

That’s the specified 12v requirement.

The remote is supposed to have two outputs: one to switch the receiver
on, and another to switch it off.

The problem is that only one switch works.

Unless I'm missing posts, your description is lacking. (You don't
state which output is missing.) I see only 2 posts from you, so
I suspect I'm missing some. How many times have you posted here
(sci.electronics.basics) on this subject? I'm trying to figure out
if I'm missing posts, or we just have to ask for more info from you.

Thanks,
Ed

 

[steve]

It’s a fairly simple remote circuit.

As mentioned before, please see the following links for the circuit:
http://yfrog.com/jy3nmp,
http://yfrog.com/1fuh3p, and http://yfrog.com/7bdtqp .

The remote does have two outputs: one to switch the receiver on, and
another to switch it off.

I think the ‘on’ switching path does not work, since the receiver
responds only to the ‘off’ switch.


---------------------------------------------------------------------------------------------------------------------------------------------
On Dec 15, 5:38 am, ehsjr <eh...@nospamverizon.net> wrote:

steve wrote:
On Dec 10, 5:00 am, Jasen Betts <ja...@xnet.co.nz> wrote:

On 2010-12-09, steve <kvst...@gmail.com> wrote:

Please see the following links for a pcb remote circuit.

Although it lights up, it does not work fully.

you're giving it 12V?

If you look closely at the caps C1 and C2, their tops are black.

this is quite normal for values less than 100pF

--
⚂⚃ 100% natural

---------------------------------------------------------------------------­------------------------------------

That’s the specified 12v requirement.

The remote is supposed to have two outputs: one to switch the receiver
on, and another to switch it off.

The problem is that only one switch works.

Unless I'm missing posts, your description is lacking. (You don't
state which output is missing.)  I see only 2 posts from you, so
I suspect I'm missing some.  How many times have you posted here
(sci.electronics.basics) on this subject?  I'm trying to figure out
if I'm missing posts, or we just have to ask for more info from you.

Thanks,
Ed- Hide quoted text -

- Show quoted text -

 

[John Fields]

On Thu, 23 Dec 2010 23:13:28 -0800 (PST), steve <kvsteve@gmail.com>
wrote:

It’s a fairly simple remote circuit.

As mentioned before, please see the following links for the circuit:
http://yfrog.com/jy3nmp,
http://yfrog.com/1fuh3p, and http://yfrog.com/7bdtqp .

The remote does have two outputs: one to switch the receiver on, and
another to switch it off.

I think the ‘on’ switching path does not work, since the receiver
responds only to the ‘off’ switch.
---

Please don't top post. Bottom post, or inline post when necessary.

I doubt that the remote isn't working, since the circuit for both
frequencies is identical except for the tank inductance, and if you
know for sure that one channel's working, then the other one most
likely is too..

The inductor is that loop, in trace, with two tails, and the ends are
switched to output the "on" and "off" frequencies.

Does the LED come on when you push either switch?

How do you know it's not a receiver problem?

What kind of test equipment do you have?

Can you generate a schematic of the TX and RX and post it?

---
JF