This device has been transferred from Ampleon to Flip Electronics.

UHF power LDMOS transistor

A 900 W LDMOS RF power transistor for broadcast Doherty and class AB transmitter applications. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications.

 

Whitepaper Doherty Architectures in UHF

This White Paper explains different PA architectures which can be used in today’s UHF Broadcast industry. 

In this paper a brief discussion will be given to explain these new Doherty architectures and to help customers finding the best solution for their transmitter. Ampleon’s transistor family BLF8XX can support these Doherty architectures.

Click here to download.

Features and benefits

  • Designed for symmetric and asymmetric Doherty operation
  • High efficiency
  • Integrated dual sided ESD protection
  • Excellent ruggedness
  • High power gain
  • Excellent reliability
  • Easy power control
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)

Applications

  • Broadcast transmitter applications in the UHF band
  • Digital broadcasting
  • Industrial, Scientific and Medical applications

Downloads

Datasheet
All application notes
All documentation

All documents

Design tool

RF Power Lifetime Calculator

Transistor:
BLF898

UHF power LDMOS transistor

°C

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 470 860 MHz
PL(1dB) nominal output power at 1 dB gain compression 900 W
Test signal: DVB-T (8k OFDM)
VDS drain-source voltage 590-690 MHz [0] 50 V
Gp power gain 590-690 MHz [0] 18 dB
ηD drain efficiency 590-690 MHz [0] 33 %
PL(AV) average output power 590-690 MHz [0] 180 W
IMDshldr intermodulation distortion shoulder attenuation 590-690 MHz [0] -30 dBc
PAR peak-to-average ratio 590-690 MHz [0] 8 [1] dB

Package / Packing

Type number Package Outline version Reflow-/Wave
soldering
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF898 SOT539A
(SOT539A)
sot539a_po Bulk Pack Transferred Standard Marking BLF898U
(9349 600 35112)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 D1 drain1 (peak)
2 D2 drain2 (main)
3 G1 gate1 (peak)
4 G2 gate2 (main)
5 S source

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF898 9349 600 35112 BLF898U Flip Electronics Buy Not available

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF898 9349 600 35112 BLF898U Flip Electronics Buy Not available

Design support