ERICSSON PTF10048

PTF 10048
30 Watts, 2.1–2.2 GHz, W-CDMA
GOLDMOS ® Field Effect Transistor
Description
•
•
The PTF 10048 is an internally matched 30–watt GOLDMOS FET
intended for WCDMA applications from 2.1 to 2.2 GHz. It operates at
40% efficiency with 10.5 dB typical gain. Nitride surface passivation
and full gold metallization ensure excellent device lifetime and
reliability.
•
•
•
•
INTERNALLY MATCHED
Guaranteed Performance at 2.17 GHz, 28 V
- Output Power = 30 Watts Min
- Gain = 10.5 dB Typ at 30 Watts
Full Gold Metallization
Silicon Nitride Passivated
Excellent Thermal Stability
100% Lot Traceability
Typical Output Power & Efficiency vs. Input Power
45
Efficiency
30
35
20
25
VDD = 28 V
IDQ = 425 mA
f = 2170 MHz
10
15
Efficiency (%) X
Output Power (Watts)
40
100
A-1
234
48
569
940
Output Pow er
0
5
0
1
2
3
4
Input Power (Watts)
RF Specifications
Package 20237
(100% Tested)
Characteristic
Gain
(VDD = 28 V, POUT = 10 W, IDQ = 425 mA, f = 2.11 & 2.17 GHz)
Power Output at 1 dB Compression
(VDD = 28 V, IDQ = 425 mA, f = 2.17 GHz)
Drain Efficiency
(VDD = 28 V, POUT = 30 W, IDQ = 425 mA, f = 2.17 GHz)
Load Mismatch Tolerance
(VDD = 28 V, POUT = 30 W, IDQ = 425 mA, f = 2.17 GHz
—all phase angles at frequency of test)
Symbol
Min
Typ
Max
Units
Gps
10
11
—
dB
P-1dB
30
36
—
Watts
h
30
40
—
%
Y
—
—
10:1
—
All published data at TCASE = 25°C unless otherwise indicated.
e
1
e
PTF 10048
Electrical Characteristics
Characteristic
(100% Tested)
Conditions
Drain-Source Breakdown Voltage VGS = 0 V, ID = 50 mA
Symbol
Min
Typ
Max
Units
V(BR)DSS
65
65
—
Volts
Zero Gate Voltage Drain Current
VDS = 28 V, VGS = 0 V
IDSS
—
—
1.0
mA
Gate Threshold Voltage
VDS = 10 V, ID = 75 mA
VGS(th)
3.0
—
5.0
Volts
Forward Transconductance
VDS = 10 V, ID = 6 A
gfs
—
1.8
—
Siemens
Maximum Ratings
Parameter
Symbol
Value
Unit
Drain-Source Voltage
VDSS
65
Vdc
Gate-Source Voltage
VGS
±20
Vdc
Operating Junction Temperature
TJ
200
°C
Total Device Dissipation
PD
Above 25°C derate by
120
Watts
0.66
W/°C
Storage Temperature Range
TSTG
–40 to +150
°C
Thermal Resistance (TCASE = 70°C)
RqJC
1.5
°C/W
Typical Performance
Typical POUT, Gain & Efficiency (at P-1dB)
vs. Frequency
Gain
11
40
10
9
Efficiency (%)
VDD = 28 V
IDQ = 425 mA
8
2000
2050
2100
35
Output Pow er (W)
2150
2200
2250
30
25
2300
12
Gain (dB)
10
8
6
35
VDD = 28 V
IDQ = 425 mA
POUT = 10 W
4
2
2100
Frequency (MHz)
2125
2150
0
25
- 5
-10
15
-15
Return Loss
-20
-25
5
-30
2175
2200
Frequency (MHz)
2
Efficiency
45
Return Loss
Gain (dB)
45
Efficiency (%)
Gain (dB)
50
Output Power & Efficiency
12
Broadband Test Fixture Performance
14
e
PTF 10048
Typical Performance
Intermodulation Distortion vs. Output Power
Output Power vs. Supply Voltage
(as measured in a broadband circuit)
45
40
VDD = 28 V, IDQ = 425 mA
35
IDQ = 425 mA
f = 2170 MHz
30
-40
5th
-50
7th
-60
25
-70
24
26
28
30
32
0
34
Supply Voltage (Volts)
5
10
15
20
25
30
Output Power (Watts-PEP)
Power Gain vs. Output Power
Capacitance vs. Supply Voltage *
12
9
160
11
140
Cds and Cgs (pF)
ICQ = 425 mA
10
9
ICQ = 213 mA
8
VDD = 28 V
f = 2170 MHz
ICQ = 106 mA
7
VGS = 0 V
f = 1 MHz
Crss
120
8
7
6
100
6
Cgs
80
60
5
Cds
4
3
40
2
20
1
0
1
100
0
0
10
Output Power (Watts)
20
30
40
Supply Voltage (Volts)
*This part is internally matched. Measurements of the
finished product will not yield these figures.
Bias Voltage vs. Temperature
1.03
Voltage normalized to 1.0 V
Series show current (A)
1.02
Bias Voltage (V)
0
1.01
1.00
0.200
0.99
0.692
1.183
0.98
1.675
0.97
2.167
0.96
2.658
0.95
-20
30
80
Temp. (°C)
3
130
Crss (pF)
22
Power Gain (dB)
3rd Order
f1 = 2169 MHz, f2 = 2170 MHz
-30
IMD (dBc)
Output Power (Watts)
-20
e
PTF 10048
Impedance Data
(VDD = 28 V, Pout = 30 W, IDQ = 425 mA)
Z Source W
Frequency
D
Z Source
Z Load
G
S
Z Load W
GHz
R
jX
R
jX
2.00
6.0
-16.7
3.6
-4.7
2.10
10.3
-19.0
3.4
-4.4
2.12
13.2
-19.3
3.4
-4.1
2.15
17.9
-17.3
3.0
-3.8
2.17
18.5
-17.2
2.8
-3.8
2.20
19.6
-12.3
2.9
-3.5
2.30
20.5
-4.6
3.0
-3.3
Z0 = 50 W
4
e
PTF 10048
Test Circuit
Test Circuit Schematic for f = 2.15 GHz
DUT
l1
l2, l5
l3
l4
l6
l7
C1, C10
C2, C5, C6, C9
C3, C8
C4
C7
J1, J2
L1
L2
R1, R2
R3
PTF 10048
LDMOS Power Transistor
0.052 l 2.15 GHz Microstrip 11.14 W
0.255 l 2.15 GHz Microstrip 50 W
0.075 l 2.15 GHz Microstrip 50 W
0.143 l 2.15 GHz Microstrip 10.2 W
0.250 l 2.15 GHz Microstrip 75 W
0.125 l 2.15 GHz Microstrip 80 W
10 µF
Tantulum Capacitor
10 pF
Chip Capacitor, ATC 100 B
0.1 µF, 50 V
Digi-Key P4525-ND
0.2 pF, 50 V
Chip Capacitor, ATC 100 A
0.9 pF
Chip Capacitor, ATC 100 A
SMA Female Connectors, Panel Mount
4.7 nH
6 mm SMT Ferrite Bead
220 W Chip Resistor, P220ECI
1.0 W Chip Resistor, P1.0ECT
Circuit Board 0.031" thick, er = 4.0, G200, AlliedSignal,
2 oz. copper
Parts Layout (not to scale)
5
e
PTF 10048
Case Outline Specifications
Package 20237
Ericsson Inc.
Microelectronics
Morgan Hill, CA 95037 USA
1-877-GOLDMOS (465-3667) United States
+46 8 757 4700 International
e-mail: [email protected]
www.ericsson.com\rfpower
6
Specifications subject to change without notice.
L3
© 1998, 1999, 2001 Ericsson Inc.
EUS/KR 1522-PTF 10048 Uen Rev. A 02-13-01