Datasheet BLF989E, BLF989ES (Ampleon)

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BLF989E; BLF989ES UHF power LDMOS transistor Rev. 1 — 3 April 2020 Product data sheet 1. Product profile 1.1 General description
A 1000 W LDMOS RF power transistor for asymmetrical broadcast Doherty transmitter applications which operates at 180 W DVB-T average power. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications.
Table 1. Application information
RF performance at VDS = 50 V in an asymmetrical Doherty application.
Test signal f P

L(AV) Gp D IMDshldr PAR (MHz) (W) (dB) (%) (dBc) (dB)
DVB-T (8k OFDM) [1] 470 to 620 180 17 50 38 8 470 to 700 180 15 48 37.5 7.5 [1] PAR (of output signal) at 0.01 % probability on CCDF; PAR of input signal = 9.5 dB at 0.01 % probability on CCDF.
1.2 Features and benefits
Designed for asymmetric Doherty operation Very high efficiency enabling air cooled high power transmitters Integrated ESD protection Excellent ruggedness High power gain Excellent reliability Easy power control For RoHS compliance see the product details on the Ampleon website
1.3 Applications
Broadcast transmitter applications in the UHF band Digital broadcasting Document Outline 1. Product profile 1.1 General description 1.2 Features and benefits 1.3 Applications 2. Pinning information 3. Ordering information 4. Limiting values 5. Thermal characteristics 6. Characteristics 7. Test information 7.1 Ruggedness in Doherty operation 7.2 Test circuit 7.3 Graphs 7.3.1 DVB-T in production test circuit 8. Package outline 9. Handling information 10. Abbreviations 11. Revision history 12. Legal information 12.1 Data sheet status 12.2 Definitions 12.3 Disclaimers 12.4 Licenses 12.5 Trademarks 13. Contact information 14. Contents