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mmw Amplifiers Specification Selection Guide & Frequency Range (f3dB, gain at frequency, BW)   HMMC-5220   DC-15 GHz   HMMC-5200   DC-20 GHz   HMMC-5618   6-20 GHz   HMMC-5620   6-20 GHz   HMMC-5021   2-22 GHz   HMMC-5022   2-22 GHz   HMMC-5026   2-26.5 GHz   HMMC-5027   2-26.5 GHz   HMMC-5023   21.2-26.5 GHz   HMMC-5032   17.7-32 GHz   HMMC-5033   17.7-32 GHz   HMMC-5040   20-40 GHz   HMMC-5034   37-42.5 GHz   HMMC-5038   37-40 GHz   HMMC-5025   2-50 GHz     1         2               5           10           20               50           100                 Frequency [GHz]   What: The portion of the radio spectrum over which the transistor has useful performance (as an amplifier). A common definition of "useful" is greater than 6 dB of gain. GaAs based amplifiers typically have a low frequency roll-off as well as a high frequency roll-off. In this case the useful frequency range is quoted as a bandwidth (BW). Tuned amplifiers such as LNAs will also typically be quoted as operating over a specific bandwidth. Direction: needs to be sufficient to meet application, but not excessive. Too much gain can result in distortion from early saturation. Range: kHz to 50 GHz (mmw) kHz to 10 GHz (RF/uw)

this page last updated: 1 October 1999