1. Product profile

1.1 General description

A 750 W LDMOS RF power transistor for asymmetrical broadcast Doherty transmitter

applications which operates at 150 W DVB-T average power. The excellent ruggedness of

this device makes it ideal for digital and analog transmitter applications.

[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



Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances

(RoHS)

1.3 Applications



Broadcast transmitter applications in the UHF band



Digital broadcasting

BLF888E; BLF888ES

UHF power LDMOS transistor

Rev. 2 — 30 August 2016

Product data sheet

Table 1.

Application information

Test signal

f

PAR

(MHz)

(W)

(dB)

(%)

(dBc)

(dB)

DVB-T (8k OFDM)

470 to 608

150

17

52

38

8 [1]

600 to 700

150

17

50

38

8 [1]

650 to 790

150

15

49

38

8 [1]