39 lines
1.1 KiB
Markdown
39 lines
1.1 KiB
Markdown
ARK-LNA
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A low noise amplifier based on the MAR-6 or MAR-8.
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It was designed with NOAA weather satellites in mind,
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but might be useful for other VHF transmissions as well.
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* Supply voltage: 6-10V
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* Minimal center frequency: 87.16 MHz
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* Maximal center frequency: 160 MHz
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* Bandwidth: To be determined
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* Gain: 20 dB
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Parts
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=====
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| Count | Part | Manufacturer Part |
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|-------|-------------------|-------------------|
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| 2 | Trimmer 3-10pf | TZC3R100A110R00 |
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| 2 | Inductor 330nH | MLF2012DR33JTD25 |
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| 1 | 33pF 0805 | CL21C330JBANNNC |
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| 1 | Inductor 10uH | LBR2012T100K |
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| 1 | 91 Ohm 0603 | RC0603JR-0791RL |
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| 1 | 100pF 0805 | C0805C101J5GACTU |
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| 2 | 10uF | UUT1V100MCL1GS |
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| 2 | 100nF 0603 | CL03A104KQ3NNNH |
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| 1 | Voltage regulator | LM1117-5 |
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| 1 | amplifier | MAR-6 / MAR-8 |
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| 1 | case | TEKO 371 |
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Notes
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=====
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* Case inner dimensions: 46.5mm x 50.5mm
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* MAR-6+
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* Datasheet: http://194.75.38.69/pdfs/MAR-6+.pdf
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* Layout suggestions: https://www.minicircuits.com/pcb/98-pl262.pdf
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