G4HUP LC Meter Page
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LC Meter Details and OptionsA revised version of the LC Meter kit is now available in two forms: Full Kit Functionally as the previous version with a few cosmetic changes:
The new Technical Manual is hereA copy of the Drilling Overlay can be downloaded here Make sure that your printer is set to 100%, and that 'shrink to fit' is turned OFF before printing this file! Read the RadCom review article about the kit. The reviewed product was the Version 2 kit - functionality is the same, but there are cosmetic and construction differences in V3 Note: Since the review was published, the PCB has been updated to improve the pad size, and the manual has been updated to reflect the recommendations made. Important information and Errata is to be found here Claimed range is 0.1pF to >100nF, and 0 to >10mH Accuracy is claimed as +/- 1% of the reading, +/-0.1pF or +/- 10nH It certainly performs well against other bridges that I have, and is considerably better at low inductance vaues than some other devices currently on the market in the UK Kits include PCB, programmed PIC, and all hardware and components - please see the Kits, Prices and Ordering page.
SMD Measurement Tweezers
I can now offer these excellent little tweezer sets - ideal for use not only with the LC Meter, but also with your multimeter for measuring R's - especially those you find when you clean up the bench after some building work!The tweezers are well constructed in RG174 coax, terminated at one end in the tweezer mechanism, and at the other in two good quality 4mm plugs. See the Kits, Prices and Ordering page for more details.
Version 2 Archive - Note this version is no longer availableThis product started off as a club construction project, and has developed from there. As you can see from the picture below, it is a fully engineered implementation of Phil Rice's (VK3BHR) excellent LC Meter
This version uses a PIC16F628 and a 1 x 16 character LCD, with a PCB layout to fit a standard Hammond enclosure - giving a neat overall piece of test equipment. In addition to the basic design provided by Phil, the PCB includes the extra circuitry required to implement Microchip's ICSP (In Circuit Serial Programming), and also allows the optional use of a backlit LCD such that the backlight is permanently on when the unit is externally powered. When run from the internal battery the backlight is not accessible. Note that the kits I supply include an LCD that DOES NOT have a backlight.