PTFA240451E Datasheet, PDF (7/10 Pages) Infineon Technologies AG – Thermally-Enhanced High Power RF LDMOS FET 45 W, 2420-2480 MHz

PTFA240451E
Reference Circuit
C1
0.001µF
R1
1.3KV
R2
1.2KV
QQ1
LM7805
Q1
VDD
BCP56
C0.2001µF _C0.3001µF
R3
2KV
R4
2KV
R5.51K_V
R6
10V
C4
10 µF
35V
C5
.1µF
R7
C6
5.1KV .1µF
C7
C8
.01µF 4.5pF _l4
L1
C11
C12
4.5pF 1µF
VDD
C13
C14
.1µF
10µF
50V
RF_IN
C9
4.5pF
l1
l2
R8
10V
l3
l5 l6 l7
C10
1.8pF
l8
DUT
l10
l9
l11 l12
C20
4.5pF
l13
l14
C19
1.2pF
RF_OUT
C15
4.5pF
L2
C16
1µF
C17
.1µF
C18
10µF
50V
Reference circuit schematic for ƒ = 2480 MHz
Circuit Assembly Information
DUT
PTFA240451E
PCB
0.76 mm [.030"] thick, ε_r = 4.5
Microstrip Electrical Characteristics at 2480 MHz¹
l1
0.102 λ, 50.0 Ω
l2
0.050 λ, 44.0 Ω
l3
0.094 λ, 44.0 Ω
l4
0.148 λ, 64.0 Ω
l5
0.016 λ, 44.0 Ω
l6
0.021 λ, 14.7 Ω
l7
0.080 λ, 8.2 Ω
l8, l9
0.295 λ, 50.0 Ω
l10
0.049 λ, 6.5 Ω
l11 (taper)
0.079 λ, 6.5 Ω / 50.0 Ω
l12
0.045 λ, 50.0 Ω
l13
0.117 λ, 50.0 Ω
l14
0.058 λ, 50.0 Ω
1_{Electrical characteristics are rounded.}
LDMOS Transistor
Rogers TMM4
2 oz. copper
Dimensions: L x W (mm)
6.68 x 1.40
3.12 x 1.78
6.10 x 1.78
9.86 x 0.89
1.04 x 1.78
1.35 x 7.62
4.78 x 14.86
19.30 x 1.40
2.84 x 19.05
5.16 x 19.05 / 1.40
2.95 x 1.40
7.62 x 1.40
3.81 x 1.40
Dimensions: L x W (in.)
0.263 x 0.055
0.123 x 0.070
0.240 x 0.070
0.388 x 0.035
0.041 x 0.070
0.053 x 0.300
0.188 x 0.585
0.760 x 0.055
0.112 x 0.750
0.203 x 0.750 / 0.055
0.116 x 0.055
0.300 x 0.055
0.150 x 0.055
Data Sheet
7 of 10
Rev. 04, 2008-03-04