DC to 1000 MHz IF Gain Block
The ADL5530 is a broadband, fixed-gain, linear amplifier that operates at frequencies up to 1000 MHz. The device can be used in a wide variety of wired and wireless devices, including cellular, broadband, CATV, and LMDS/MMDS applications.
The ADL5530 provides a gain of 16.5 dB, which is stable over frequency, temperature, power supply, and from device to device. It achieves an OIP3 of 37 dBm with an output compression point of 21.8 dB and a noise figure of 3 dB.
This amplifier is single-ended and internally matched to 50 Ω with an input return loss of 11 dB. Only input/output ac-coupling capacitors, a power supply decoupling capacitor, and an external inductor are required for operation.
The ADL5530 operates with supply voltages of 3 V or 5 V with a supply current of 110 mA.
The ADL5530 is fabricated on a GaAs pHEMPT process. The device is packaged in a 3 mm × 2 mm LFCSP that uses an exposed paddle for excellent thermal impedance. It operates from -40°C to +85°C. A fully populated evaluation board is also available.
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ADL5530-EVALZ is a 4-layer, FR4-based evaluation board. For normal operation it requires a single 5 V/100 mA power supply. The 5 V power supply should be connected to the test loops labeled J5VPOS and J6GND. Alternatively, the power supply connections may be made via the two pin header, W-1. The RF input is applied to the SMA connector labeled IN1. The RF output is available at the SMA connector labeled OUT1.