Whites Surf PI schematic

[kt315]

those boys from Ukraina do metal detectors in Young Technicians Station. they do not ask stacked or unstacked. just THEY DO BEST. they are absolutely
not in course of Geotech existing there in global net.

[plinio]

So for the SMPI, even a ceramic cap will work pretty well.

thx for reply.
I suspected it

[dbanner]

KT315, I have entered my country in my profile.
Here is a very nice cover of this magazine. It would be nice to blow up into wall poster size.

[kt315]

Plinio, you have made a good observation about the different style capacitors. This is the first step in circuit design, one must use appropriate type of capacitors for the task at hand.
the following articles may help others to see the vageries of capacitors.

DB, fill your county field in your profile, state. i do not see your location. TIA.

[dbanner]

Plinio, you have made a good observation about the different style capacitors. This is the first step in circuit design, one must use appropriate type of capacitors for the task at hand.
The following articles may help to see the vageries of capacitors. There are many articles on capacitors contained in old hobby magazines which are quite informative. I have found some very good ones. I'll try to post as many as I can.

[Carl-NC]

I sure wish people could either reply without the snarky attitude, or simply not reply at all.

Plinio, it is typical to use high-quality poly caps (typically PP or PPS) in demodulators because they have better temp stability, less dissipation, and lower microphonic effect. This is especially critical in a VLF design where demod errors result in phase errors that affect target ID. In a simple SMPI-type PI design it is not so critical because all we're looking for is fast relative changes in the demod signal. So for the SMPI, even a ceramic cap will work pretty well.

[kt315]

lol for what? stacked is modern tech and no more than. gives compact size. and what? what give you this knowledge?
more cigarettes today? leave it out and do your home work, student.

[plinio]

on Surfmaster Pi schematic C5, C6, C7= stacked
on Surf Pi C5, C6, C7= NO stacked
LOL!!!

[plinio]

then close this forum, Mr. Sympathy

[Andi68]

Then do your thing without help

[plinio]

many thanks mate!
btw i don't belive in anyone who married Louise Veronica Ciccone

[kt315]

the god is just did a try to save us from the Degradation. unsuccessful attempt. the Mind value is sure decreased, not increased.

[plinio]

the God of all the boring ones

[kt315]

yes

https://en.wikipedia.org/wiki/Film_capacitor

[plinio]

the boss of all the boring ones