MRF897R Datasheet, PDF (4/6 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON

Pout = 30 W (PEP), VCC = 24 V
f
Zin
MHz
Ohms
ZOL*
Ohms
800
1.7 + j9.2
5.9 – j0.4
850
2.6 + j10
5.7 + j2.6
900
4 + j9.9
5.9 + j3.4
950
5 + j8.8
6.2 + j4.4
ZOL* = Conjugate of the optimum load impedance
ZOL* = into which the device operates at a given
ZOL* = output power, voltage and frequency.
f = 800 MHz
850
Zin
900
960
960
900
850
ZOL*
Zo = 10 Ohms
R1
SB1
C1
R2
f = 800 MHz
NOTE: Zin & ZOL* are given from base–to–base and collector–to–collector respectively.
Figure 8. Series Equivalent Input/Output Impedances
C6
C25
ÇÇÇÇ_{R3 L3}
C4
ÉÉÉÉ_L5 ÉÉÉÉ _C11
C18
R5
Q1
C21
COAX1
B1
ÇÇ_C8
ÇÇ _C2
L1
ÇÇÇÇÇÇÇÇ _C3
L2
C9
BALUN1
B2
C10
C15
Ç^B3
Ç^C16
Ç _L7
Ç_C20
ÇÇ_L8
ÇÇ_C17
C23
C24
B4
ÇÇ ^C5
C14
ÇÇÇÇ_L4
ÇÇ ^C7
R4
C22
C19
R6
ÉÉÉÉÉÉ_L6
C13
BALUN2
COAX2
C12
Figure 9. 840 – 900 MHz Test Circuit Component Layout
MRF897R
MRF897R
4
MOTOROLA RF DEVICE DATA