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CHARLES
WENZEL
POCKET LIGHTNING
DETECTOR V2
ANTENNA
+OUT-
3V
SW
SW
©2013
LENNIE
ZINK
PARTS LAYOUT BOTTOM VIEW
CHARLES
WENZEL
POCKET LIGHTNING
DETECTOR V2
ANTENNA
+OUT-
3V
SW
SW
©2013
LENNIE
ZINK
VR3500K
BE C
R11M
C2(103)
C410µF
R310K
R53K9
Q32N4401
D21N914
C610µF
R710K
VR4100KGAIN B
E
C
B
E
C
D11N914
Q22N4403
C3(104)
Q42N4403
B
E
C
R64K7
Q12N4401
I asked Charles Wenzel if he considered making a pocket version of his Lightning Detector. He e-mailedback and told me that he thought a loop stick antenna from an AM radio would work in place of the coils.I tried it and it worked!
Notice that . The frequency is on the low endof the AM spectrum, about 500 kHz.
The Pocket Lightning Detector has an LED lighted push on/off switch and a miniature piezo buzzer.
(SMDs drive me nuts!)
there are no coils The circuit board can be made very small.
©2013Lennie ZinkBay City, MI
C51mF
BOARDORIENTATION
MARKER
C4, C5, C6 MAY HAVE TO BE HORIZONTAL(I HAVE C5 ON THE FOIL SIDE.)
TM
HOBBYHOBBY
ELECTRONICS, INC.ELECTRONICS, INC.
OFF
ONPOCKET
LIGHTNING
DETECTOR
LIGHTNING
DETECTOR
POCKET LIGHTNING DETECTOR
3V
LOOP STICK ANTENNA FROM AM RADIORESULTS IN ABOUT 500kHz FREQUENCY
C2(102)
R310K
Q32N4401
VR4100K
C410mF
SW1LIGHTED
PUSHON/OFF
Q12N4401
Q22N4403
D11N914
C3(102)
R64K7
R710K
R53K9
C610mF
D21N914
Q42N4403
GND
BZ1
LEDUB
3.2FV3.5mm
VR2500K
ANT
R11M
*SW1 REPLACE LED with ULTRA BRIGHT LED (if needed)I used an old 12 volt switch and replaced the bulb.
**C5 SLIGHTLY INCREASES PULSE LENGTH
CharlesWenzel
C1220-390pF
NOT ONBOARD
**C51mF