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