1.0 KiB
1.0 KiB
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
| Part | Manufacturer Part |
|---|---|
| Trimmer 3-10pf | TZC3R100A110R00 |
| Inductor 330nH | MLF2012DR33JTD25 |
| 33pF 0805 | |
| Inductor 10uH | |
| 91 Ohm 0603 | |
| 100pF 0805 | |
| 10uF | |
| 100nF 0603 | |
| Voltage regulator | LM1117-5 |
| amplifier | MAR-6 / MAR-8 |
| 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