20 MHz TO 500 MHz IF Amplifier
The ADL5534 has a fixed gain of 20 dB, which is stable over frequency, temperature, power supply, and from device-to-device. The amplifiers are single-ended and internally matched to 50 Ω. Only input/output ac-coupling capacitors, power supply decoupling capacitors, and an external bias inductor are required for operation of each amplifier
The ADL5534 is fabricated on a GaAs HBT process. The device is packaged in a 16-lead 5 mm × 5 mm LFCSP that uses an exposed paddle for excellent thermal impedance. The ADL5534 consumes 98 mA of current per amplifier on a single 5 V supply, and is fully specified for operation from −40°C to +85°C. A similar amplifier, ADL5531 (available from Analog Devices, Inc.) is the 20 dB gain single-channel version. Fully populated evaluation boards for both the ADL5531 and ADL5534 are available.
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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
ADL5534-EVALZ is a 4-layer, FR4-based evaluation board. For normal operation it requires a single 5 V/500 mA power supply. The 5 V power supply should be connected to the test loops labeled VPOS and GND. A jumper installed on the 2 pin header, W3, provides bias to amplifier B. Each amplifier maybe powered individually by removing the jumper from W3 and applying power and ground to the appropriate terminals of the 2 pin headers, W1 and W2. The two RF input signals are applied to the SMA connectors labeled IN1 and IN2. The RF output is available at the SMA connectors labeled OUT1 and OUT2.