GaAs, pHEMT, MMIC, Low Noise Amplifier, 14 GHz to 24 GHz

The ADL8141 is a low power consumption, low noise amplifier that operates from 14 GHz to 24 GHz. Typical gain, noise figure, and output third-order intercept (OIP3) are 29 dB, 1.4 dB, and 18 dBm, respectively. Typical supply current is 25 mA from a 2 V supply. OIP3 and output power for 1 dB compression (OP1dB) can be increased by adjusting a supply-referenced resistor connected to the RBIAS pin. The RF input and output of the ADL8141 are internally matched and AC-coupled.

The ADL8141 is fabricated on a gallium arsenide (GaAs), pseudomorphic high electron mobility transistor (pHEMT), monolithic microwave integrated circuit (MMIC) process. The ADL8141 is housed in a RoHS-compliant, 2 mm × 2 mm, 8-lead LFCSP and is specified for operation from −40°C to +85°C.

Applications

* Ku band and K band satellite communications

* Low noise, high gain LNA for Ku and K band

* Frequency range: 14 GHz to 24 GHz

* Low noise figure: 1.4 dB typical at 15 GHz to 22 GHz

* High gain: 29 dB typical at 14 GHz to 15 GHz

* Integrated AC coupling capacitors

* Integrated bias inductor

* Single positive supply: 2 V with IDQ = 25 mA

* RBIAS drain current adjustment pin

* RoHS-compliant, 2 mm × 2 mm, 8-lead LFCSP