Telecoms, Datacoms, Wireless, IoT


6 to 26,5 GHz variable gain amplifier

31 May 2024 Telecoms, Datacoms, Wireless, IoT


The AM1135 is a wideband digitally controlled variable gain amplifier from Atlanta Micro that covers the 6 to 26,5 GHz frequency range. It provides 2 dB of gain variation with approximately equal steps of 0,6 dB. Output IP3, P1dB, and noise figure are decoupled from the gain variation, so the AM1135 provides consistent noise figure and nonlinear performance for any gain state.

Output IP3 is measured at 25 dBm, with P1dB sitting at 13 dBm. The amplifier has a noise figure of 3,5 dB over the full frequency range.

The device is packaged in a 3mm QFN with internal 50 Ω matching, and draws 140 mW of DC power which makes the AM1135 ideal for demanding, low SWaP applications.


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