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13 March 2010

New tool + Receiver Mixer Stage completed

Here's an updated shot of the circuit board showing the receiver mixer stage work (middle left).

Circuit board is held by my new PanaVise 333 (thanks, Hon!).  What a huge improvement over the wimpy Radio Shack third hand tool! Soldering and inspection work is pleasure now instead of being tedious and frustrating.



Now I can leave the circuit board in the PanaVise for soldering and inspection since the PanaVise allows 360 degree rotation, simplifying inspection and trimming. It also saves a lot of time and effort.


Using the PanaVise avoids damaging circuit board edges since the circuit board is gently held in place along grooves in the holding arms. 

In contrast, the teeth on the Radio Shack third hand tool alligator clips damaged the circuit board surface. 

Plus, once components are installed along the edge of the circuit board, there is little to no room for attaching the third hand clips. Not a good situation.


Lastly, the base of the Radio Shack tool is simply too light and shallow to provide sufficient counter-balance and weight while performing soldering and inspection operations. The PanaVise is one of the best tools I own for electronic kit building! Well worth its $65 price tag on Amazon.


Next up: Installation of the 4-pole crystal filter along with the 11 MHz IF Amp.

After that, it's on to the BFO and audio amp sections of the kit.


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