Gold Gun with Gemini III Transmitter

[GOLDEN LILLY]

WM6, your implying that a loop antenna without an inductor is far more better than with an inductor. So if this is the case, please can you recommend loop size and windings and wire diameter? My loop antenna is a rectangular in shape with 26 turns, # 22 AWG directly connected from the output of the power transistors without ferrite. I based my antenna shape from magnacast lrl. Please comment.

[GOLDEN LILLY]

Abdou2014, i am still looking the transmitter schematic from my files. I forgot what folder i saved it. Just give me time. Anyway, you have a very nice gold gun.

[abdou2014]

thank you , i'm waiting

[WM6]

WM6, your implying that a loop antenna without an inductor is far more better than with an inductor. So if this is the case, please can you recommend loop size and windings and wire diameter? My loop antenna is a rectangular in shape with 26 turns, # 22 AWG directly connected from the output of the power transistors without ferrite. I based my antenna shape from magnacast lrl. Please comment.

Loop antenna is an inductor too (air core inductor).

Your antenna could be OK, you need to manage it to desired frequency by proper capacitor set in antenna tank circuit. Better way by try and measure.

[GOLDEN LILLY]

Thank you WM6. I will Make a trial and error for my coil. Anyway, what frequency should i use for my gold gun transmitter. Should i also need to modulate my transmitter?

[abdou2014]

NEW TX

[abdou2014]

[GOLDEN LILLY]

Hi Abdou. Please tell us about your new transmitter...What are the component values?

[abdou2014]

I have not yet finished, I do experiments , pls WM6 What are the best antennas for a transmitter, telescopic or loop ?

[WM6]

With loop antenna you can acheive better (desired) wave propagation and (possibly) direction to avoid unwanted reflexy from objects out of your interest.

[abdou2014]

Thank you WM6 , The blind spot ( nulling ) does not disappear with a powerful transmitter loop ?

[abdou2014]

Need help

When I turn on, the frequency changes and slowly decreases, is there a way to stabilize it ?

[WM6]

After about 10 min it should be temperature stabilized.
In case that outer temperature sources, like sun/shadow, destabilize your circuit,
(multiple) potting your board in paraphine can help.
Paraphine is great temperature insulator and temperature changes compensator.

[abdou2014]

Thank you WM6 , I noticed that even after 10 minutes the frequency is not stable , I mixed TX totem with this circuit I have a stable frequency.

[abdou2014]

circuit + pcb