![]() ON1BES Labo 2020 |
Toko and Clock (watch) crystal Tester V3.0 |
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Voor NL versie klik hier
What is this ?
1) The crystal tester:
2) The Toko coil tester:
The PCB's :
Klick on the picture for a bigger version
Connecting different types of Toko coils:
At the top photo you can see the Toko foot-pins - at the bottom photo the Toko is always in measurement
Note: The photos are from an earlier, older test print.
Measuring the frequency with a frequency meter and measuring the induction value with an L-C meter:
Klick on the picture for bigger version
A somewhat older DFD4 frequency meter has been used above.
The TOKO print circuit board on the photo is an older version.
You can also find the L-C meter (right) on my website.
Downloads :
Print PCB, Print mask, layout, schematics: toko_test.zip
Software LCF Calculator: LCFcalculator
on1bes at Scarlet.be
Toko tester |
![]() |
What is this ?
1) The crystal tester:
![]() |
Types of crystals: XT-1 : Clock watch crystal's of 32.768kHz and a keramic resonator. XT-2 : Normal crystal's and a keramic filter. |
2) The Toko coil tester:
The PCB's :
Component side V2.0 (measurement of a Clock watch crystal)![]() |
Solder side v2.0 (attention: this a old test PCB) ![]() |
New PCB Layout v3.0 5x7,5cm![]() |
New PCB Mask v3.0 5x7,5cm (mirrored)![]() |
Connecting different types of Toko coils:
At the top photo you can see the Toko foot-pins - at the bottom photo the Toko is always in measurement
Note: The photos are from an earlier, older test print.
FM Coil 1a![]() |
FM Coil 2a![]() |
VHF Coil 3a![]() |
FM Coil 1b![]() |
FM Coil 2b![]() |
VHF Coil 3b![]() |
Coil 100�H![]() |
Mini Coil![]() |
Micro Coil![]() |
Coil 100�H![]() |
Mini Coil![]() |
Micro Coil![]() |
Measuring the frequency with a frequency meter and measuring the induction value with an L-C meter:
Resonance frequency measure with Frequency meter![]() |
Measure induction value with LC Meter![]() |
A somewhat older DFD4 frequency meter has been used above.
The TOKO print circuit board on the photo is an older version.
You can also find the L-C meter (right) on my website.
Downloads :
Print PCB, Print mask, layout, schematics: toko_test.zip
Software LCF Calculator: LCFcalculator
