BLF888B; BLF888BS
UHF power LDMOS transistor
Rev. 2 — 12 July 2013
Product data sheet
1. Product profile
1.1 General ...
BLF888B; BLF888BS
UHF power LDMOS
transistor
Rev. 2 — 12 July 2013
Product data sheet
1. Product profile
1.1 General description
A 650 W LDMOS RF power
transistor for broadcast transmitter applications and industrial applications. 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 unless otherwise specified.
Mode of operation f
PL(AV) PL(M)
Gp
D IMD3 IMDshldr
(MHz)
(W) (W) (dB) (%) (dBc) (dBc)
RF performance in a common source 860 MHz narrowband test circuit
2-tone, class-AB DVB-T (8k OFDM)
f1 = 860; f2 = 860.1 250 858 120
-
21 46 34 -
21 33 -
31[1]
RF performance in a common source 470 MHz to 860 MHz broadband test circuit
DVB-T (8k OFDM) 858
120 -
20 32 -
32 [1]
PAR (dB)
8.2 [2]
8.0 [2]
[1] Measured [dBc] with delta marker at 4.3 MHz from center frequency.
[2] 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
Excellent ruggedness Optimum thermal behavior and reliability, Rth(j-c) = 0.15 K/W High power gain High efficiency Designed for broadband operation (470 MHz to 860 MHz) Internal input matching for high gain and optimum broadband operation Excellent reliability Easy power control Compliant to Restriction of Hazardous Substances (RoHS) Directive 2002/95/EC
1.3 Applications
Communication transmitter applications in the UH...