A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the edge of the board to minimize signal reflections. A 50-ohm microstrip transmission line should be used to connect the device to the antenna.
The device requires a bias voltage of 4.5-5.5V and a bias current of 10-20mA. A voltage regulator and a bias resistor network can be used to provide a stable bias voltage. The bias voltage should be decoupled with a 10uF capacitor to reduce noise.
The device can handle up to 23dBm of input power. Exceeding this limit may cause damage to the device or affect its performance. Input power should be limited using an attenuator or a limiter to prevent damage.
Use a spectrum analyzer to check the output spectrum for spurious signals or harmonics. Check the bias voltage and current to ensure they are within the recommended range. Verify that the input signal is within the recommended power range and that the device is properly terminated.
Yes, the HSMS-286B-BLKG can be used in a push-pull configuration to improve output power and reduce distortion. However, this requires careful impedance matching and biasing to ensure optimal performance.
HSMS-286B-BLKG datasheet
by Avago Technologies
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