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Data Sheets
Description
The HMMC-5032 is a MMIC power amplifier designed for use in wireless transmitters that operate within the 17.7 GHz to 32 GHz range. It provides 22 dBm of output power and 8 dB of small-signal gain from a small easy-to-use device. The HMMC-5032 was designed to be driven by the HMMC-5040 (20-40 GHz) or the HMMC-5618 (5.9-20 GHz) MMIC amplifier for linear transmit applications. This device has input and output matching circuitry for use in 50 Ω environments.
Applications
The HMMC-5032 MMIC is a broadband power amplifier designed for use in transmitters that operate in various frequency bands between 17.7 GHz and 32 GHz. It can be attached to the output of the HMMC-5040 (20-40 GHz) or the HMMC-5618 (5.9-20 GHz) MMIC amplifier, increasing the power handling capability of transmitters requiring linear operation.
Biasing and Operation
The recommended DC bias condition is with both drains (VD1 and VD2) connected to single 4.5 volt supply and both gates (VG1 and VG2) connected to an adjustable negative voltage supply. The gate voltage is adjusted for a total drain supply current of typically 250 mA.
The RF input and output are AC-coupled.
An optional output power detector network is also provided. Detector sensitivity can be adjusted by biasing the diodes with typically 1 to 5 volts applied to the det-bias terminal. Simply connecting det-bias to the VD2 supply is a convenient method of biasing this detector network. The differential voltage between the det-ref and det-out bonding pads can be correlated to the RF power emerging from the RF output port.
No ground wires are needed because ground connections are made with plated through-holes to the backside of the device.
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