Dr Ronald Stiffler SEC technology

[Lidmotor]

All---I am getting a lot of feedback comments on my videos dealing with the 13.56 crystal circuit.  It has led to a spin off research into this frequency,  the effects on different things such as water, and the use of this 13.56 MHz in the RDIF industry.  This might be a grand dead end chase down a rabbit hole but it is very interesting. 
  Slider mentioned the low cost RDIF items available on EBay so I tool a look and found these receiver coils that are tuned for 13.56MHz.  Can we do anything with them?  They don't cost much.

https://www.ebay.com/itm/10pcs-13-56MHZ-Seal-core-chip-FM1108-S50-Read-and-write-chips-15MM-1443A/122163389735?_trkparms=aid%3D444000%26algo%3DSOI.DEFAULT%26ao%3D1%26asc%3D44040%26meid%3Dd190a8a914be4dceb252bd42f35325b2%26pid%3D100752%26rk%3D2%26rkt%3D6%26sd%3D122163552094%26itm%3D122163389735&_trksid=p2047675.c100752.m1982

-----Lidmotor

[Slider2732]

Looks like Stefan hasn't solved the images thing, following the board maintenance message...oops.

uV - I believe the Doc started off with a Colpitts, then refined and refined.
My SEC 18-1 should be shipping by Monday and can't wait to see what a real one does !

Lidmoter - Most definitely, in my opinion. For one thing, with a very efficient circuit we could build our
own readers into watches or as a cellphone accessory etc.
There was some discussion a while ago about tracking rodents in a house and a circuit could have a loop
that tagged mice/rats/things would run through. The tags are cheap enough to log each creature and its
movements. Another use would be for a power supply for example. Put a tag on the object to be powered
and fit the circuit to the power supply. As the device is brought close to the power supply, the tag is read
and its number is used to set the output voltage and current.

Related to some of that RFID talk is something within my latest video upload.
A credit card styled Stiffler loop, that has a 360 degree ability for wireless energy pickup.
What i've done is to rework the WTF Exciter to not need the clipleads and now uses 3 coils.
It's edging toward understanding and building something more similar to Dr. Stiffler's circuits.

https://www.youtube.com/watch?v=UkyUqHY-weM
(5min 23sec running time)

[Ed morbus]

https://www.banggood.com/XR2206-Function-Signal-Generator-DIY-Kit-Sine-Triangle-Square-Output-1HZ-1MHZ-p-1206339.html?p=SX311721977410201805&cur_warehouse=CN

[NickZ]

I designed a small Colpitts 6.7 Mhz it draws 2 mA.
The intended to be used with 6.7 Mhz crystal then a doubler 2nd stage.

   Mikrovolt:   Did you make the circuit, or are planing to?    I would think that that would be a better way to go, as it has a feed back circuit.
    Let us know how it goes.
                                              NickZ
   

[mikrovolt]

NickZ, Thanks for the reply.  and everyone I started with this low power version. It is not at a practical oscillator at 2mA. It needs the crystal section
and enough filter to produce a sufficiently clean sine wave. The J310 may be a better choice. The final may need to do more than light a 20 mA led
or higher. i replaced the aluminum blocks with sheet metal same dimensions as it is surface area.

I remind everyone that 13.5 Mhz can cause unwanted noise, the 22 meter club will not appreciate qrm so steering to 13.4 into coax to maintain
a quiescent resonance in circular wave requires finding how many mA and what turn on voltage ?  So an adjustable 13.4 is easier
for a ring coax having a quiescent input, a higher voltage input a port for doing work and circulating with minimal destructive interference.

I will build this board hopefully, it up converts ICL8038 and certain parts of the vlf for sdr rtl.
http://wb9kzy.com/lfconv.htm