Ulfila

Ricevitore ULF

Front-end:

• http://users.cosylab.com/~msekoranja/tmp/04447683.pdf
• http://www.janascard.cz/PDF/Design%20of%20ultra%20low%20noise%20amplifiers.pdf
• [1]
• http://o28.sischa.net/fifisdr/trac/export/469/tags/Rev1.4/Hardware/FiFi-SDR_SCH.pdf pagina 3
• http://cjh.polyplex.org/electronics/RFCascodeProbe/

Filtro:

• http://www.analog.com/media/en/training-seminars/tutorials/MT-218.pdf
• http://www.analog.com/media/en/training-seminars/tutorials/MT-220.pdf
• http://www.ecircuitcenter.com/Circuits/MFB_bandpass/MFB_bandpass.htm