Milton Keynes Amateur Radio Society... |
 Club Member John M0TIF |
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Pic-A-Star PCB Construction This page is regularly updated so please revisit soon. |
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| ▲ Laying out photo copies of PCB's to work out best economy from the copper clad sheet. (18 May 06) | ▲ Grateful use of Steve G6ALU PCB guillotine to cut PCB's to size. (18 May 06) |
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| ▲ Ultra violet light (UV) box used to expose photo resist PCB material, my thanks to Charlie M0AIJ for the loan! (18 May 06) | ▲ Initial test strip to work out UV exposure time for the board. Parts of board were exposed for 30sec, 60sec, 90sec.(18 May 06) |
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| ▲ After UV exposure the its in to the developing solution (18 May 06) | ▲ Solution of ferric chloride gently etches the PCB's (18 May 06) |
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| ▲ Etching of a PCB continues (18 May 06) | ▲ Left to right, John M0TIF, Calvin M1EPM, Steve G6ALU on a PCB making evening, the alcohol bottom right is for medicinal purposes only Hi Hi! (18 May 06) |
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| ▲Display PCB ready for drilling (2 June 06) | ▲Pic N Mix, DDS adaptor and display board (15 June 06) |
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| ▲ DDS adaptor board (4cm X 3cm) tested and working (20 Jun 06) | ▲ Timer board finished (27 Jun 06) |
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| ▲DSP boards mounted together - Mother, Processor daughter and codec daughter boards 1 ~ 18th July 06 | ▲IF board with screening, almost completed 17th August 06 |
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| ▲IF board almost completed 17th August 06 | ▲Magic Roundabout almost complete 17th August 06 |
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| ▲Magic roundabout completed 1st Sept 06 | ▲Band Pass Filters component side finished 13th Sept 06 |
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| ▲AF amp / diode logic pcb (audio ic side) 20th October | ▲AF amp / diode logic pcb (component side) 20th October |
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| ▲ 20W PA -Steve G6ALU design- 1st December 06 | ▲20W PA -Steve G6ALU design- Heat sink detail- 1st December 06 |
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v1.26 Updated 13th February 2010
