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How to bias the amp MD8LC925NR1?

Hello,

We are currently designing a system using the MD8LC925NR1 Power Amplifier. We would appreciate your recommendation for a suitable bias circuit or a dedicated power management component to properly bias this PA.

Could you please provide any reference designs, application notes, or specific part numbers that you recommend for this purpose?

Thank you for your assistance.

Re: How to bias the amp MD8LC925NR1?

Hello,

Thank you for your interest in NXP Semiconductors products and for the opportunity to support you.

There appears to be a typo in the part number provided. MDL8LC925NR1 is not a valid NXP orderable part number. The closest matching device is MD8IC925N. Please note that this device is currently End of Life, meaning it is no longer supported and is no longer available for new purchases.

The following NXP documents provide detailed design information, including circuit schematics, component lists, and characterization data:

MD8IC925N Datasheet
AN1977 – Quiescent Current Thermal Tracking Circuit in the RF Integrated Circuit Family
AN1987 – Quiescent Current Control for the RF Integrated Circuit Device Family (includes both bias circuit topologies with complete component lists)
AN1955 – Thermal Measurement Methodology of RF Power Amplifiers

Unfortunately, there is no direct replacement available for the MD8IC925N. In addition, many RF products covering the 100 MHz to 1000 MHz frequency range are approaching EOL status, and no new replacement devices have been announced at this time.

Please let us know if you would like assistance identifying alternative solutions based on your specific frequency, power, and supply voltage requirements.

Best regards