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| Preselector | ||||||||||||||||||||
| Type 3A | ||||||||||||||||||||
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| Ya wanna build this? Go here. |
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| The "Type 3" circuitry incorporates all of the design refinements from the evolution of the previous models. | ||||||||||||||||||||
| Click here for component descriptions and sources, and please browse all of the "preselector" pages on this site to get a full understanding of the development of this final version. If you are not too comfortable with 'scratch-building' I suggest you visit my page on the MFJ-956. Construction Note: There are four (4) main sections to this project; 1, Passband Filter; 2, Notch Filter; 3, Tuner; 4, Amplifier/Attenuator. With the exception of item 1, any of the other sections may be omitted. Additionally, the builder may elect to make all of the sections 'switch selectable' IE; attenuator, preamp, notch so that they may be 'switched out' of the circuit or 'switched in' as needed. Use your imagination and build the preselector that suits your needs. | ||||||||||||||||||||
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| Last updated: 08 Apr 06 | ||||||||||||||||||||