MA-COM MAPLST1820

RF Power Field Effect Transistor
LDMOS, 1800 — 2000 MHz, 30W, 26V
5/14/04
MAPLST1820-030CF
Preliminary
Package Style
Features
Designed for base station applications in the
1805-1880MHz or 1930-1990MHz Frequency
Band. Suitable for GSM, EDGE, TDMA,
CDMA, and multi-carrier amplifier
applications
Q
Q
Q
Q
Q
30W CW Output Power at P1dB
13dB Gain at P1dB
45% Drain Efficiency at P1dB
10:1 VSWR Ruggedness (CW @ 30W,
26V, 1900MHz)
Internal input and output matching
P-237
Maximum Ratings
Parameter
Symbol
Rating
Units
Drain—Source Voltage
VDSS
65
Vdc
Gate—Source Voltage
VGS
20
Vdc
ID
10
Adc
PD
97
W
Storage Temperature
TSTG
-40 to +150
°C
Junction Temperature
TJ
+200
°C
Symbol
Max
Unit
RΘJC
1.8
ºC/W
Drain Current — Continuous
Total Power Dissipation @ TC = 25 °C
Thermal Characteristics
Characteristic
Thermal Resistance, Junction to Case
NOTE—CAUTION—MOS devices are susceptible to damage from electrostatic charge. Precautions in handling and packaging
MOS devices should be observed.
RF Power LDMOS Transistor, 1800 — 2000 MHz, 30W, 26V
MAPLST1820-030CF
5/14/04
Preliminary
Characteristic
DC CHARACTERISTICS @ 25ºC
Characteristic
Drain-Source Breakdown Voltage
GS = 0 Vdc, ID = 20 µAdc)
OFF(V
CHARACTERISTICS
Symbol
Min
Symbol
Min
V(BR)DSS
65
Typ
Max
Unit
Typ
—
Max
—
Unit
Vdc
Zero Gate Voltage Drain Leakage Current
26 Vdc, VGS
(VDS
DS = 65
GS = 0)
IDSSIDSS
——
——
100
10
µAdc
µAdc
Gate—Source
Leakage
Zero
Gate Voltage
DrainCurrent
Leakage Current
(VGS == 26
5 Vdc,
VVDS ==0)0)
(V
Vdc,
DS
GS
IDSSIGSS
——
——
11
µAdc
µAdc
Gate Threshold Voltage
Gate—Source
Leakage
Current
(VDS = 10 Vdc,
ID = 20
mA)
(VGS = 5 Vdc, VDS = 0)
Drain-Source On-Voltage
ON CHARACTERISTICS
(VGS = 10 Vdc, ID = 1 A)
VGS(th)
IGSS
—
2
2.6
—
4
1
Vdc
µAdc
VDS(on)
—
0.32
—
Vdc
Gm
—
1.6
—
S
Input Capacitance (Capacitance includes internal matching capacitors)
(VDS = 26 Vdc, VGS = 0, f = 1 MHz)
Ciss
—
50
—
pF
Output Capacitance
DYNAMIC
CHARACTERISTICS (1)
Coss
—
32
—
pF
Reverse Transfer Capacitance
(VDS = 26 Vdc, VGS = 0, f = 1 MHz)
Crss
—
1.4
—
pF
Two-Tone Common-Source Amplifier Power Gain
(VDS = 26 Vdc, POUT = 30 W PEP, IDQ = 300 mA,
f1 = 1990.0 MHz, f2 = 1990.1 MHz)
Gps
12
13
—
dB
Two-Tone Drain Efficiency
(VDS = 26 Vdc, POUT = 30 W PEP, IDQ = 300 mA,
f1 = 1990.0 MHz, f2 = 1990.1 MHz)
EFF (ŋ)
—
33
—
%
Two-Tone Common-Source Amplifier Power Gain
(VDS = 26 Vdc, POUT = 30 W PEP, IDQ = 300 mA,
f1 = 1990.0 MHz, f2 = 1990.1 MHz)
IMD
—
-30
—
dBc
Two-Tone Common-Source Amplifier Power Gain
(VDS = 26 Vdc, POUT = 30 W PEP, IDQ = 300 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
Gps
12
13
—
dB
Two-Tone Drain Efficiency
(VDS = 26 Vdc, POUT = 30 W PEP, IDQ = 300 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
EFF (ŋ)
—
33
—
%
Two-Tone Intermodulation Distortion
(VDS = 26 Vdc, POUT = 30 W PEP, IDQ = 300 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
IMD
—
-30
-28
dBc
Forward Transconductance
(VGS = 10 Vdc, ID = 1 A)
DYNAMIC CHARACTERISTICS @ 25ºC
(VDS = 26 Vdc, VGS = 0, f = 1 MHz)
RF FUNCTIONAL TESTS
TESTS @
(In M/A-COM
Fixture)
FUNCTIONAL
(In25ºC
M/A-COM
Test Test
Fixture)
(2)
Output VSWR Tolerance
(VDD = 26 Vdc, POUT = 30 W, IDQ = 300 mA, f = 1900 MHz,
VSWR = 10:1, All Phase Angles at Frequency of Tests)
Ψ
No Degradation In Output Power
Before and After Test
2
RF Power LDMOS Transistor, 1800 — 2000 MHz, 30W, 26V
MAPLST1820-030CF
5/14/04
Preliminary
C1,C2
C3,C10
C4
C5,C11
C6,C15
C7
C8
C12
C13
Z1-Z8
Electrolytic Capacitor, 470 µF
Ceramic Chip Capacitor, 10 pF
Ceramic Chip Capacitor, 0.7 pF
Ceramic Chip Capacitor, 5.1 pF
Ceramic Chip Capacitor, 0.1 µF
Ceramic Chip Capacitor, 1.2 pF
Ceramic Chip Capacitor, 0.6 pF
Ceramic Chip Capacitor, 91 pF
Electrolytic Capacitor, 22 µF
Distributed Microstrip Element
J1,J2
SMA Connector, Omni Spectra 2052-5636-02
L1
Inductor, 8 nH, CoilCraft A03T
L2,L3,L5,L6,L7
Inductor, Ferrite Bead, Fair Rite
2743019477
L4
Inductor, 28 µH, CoilCraft A08T
P1,P2
Connector, AMP 640457-4
Q1
Transistor, MAPLST1920-030WF
R1
Chip Resistor, 3.7 Ohm
R2, R3 Chip Resistor, 12 Ohm
R4,R5,R6 Chip Resistor, 10 Ohm
PC Board (74350126-01), Arlon Woven Glass
Teflon .030” Thick, Er=2.54, 2 Oz Copper
Both Sides
Figure 1. 1930—1990 MHz Test Fixture Schematic
Figure 2. 1930—1900 MHz Test Fixture Component Layout
3
RF Power LDMOS Transistor, 1800 — 2000 MHz, 30W, 26V
MAPLST1820-030CF
5/14/04
Preliminary
-45
Efficiency
16
-50
ACPR 885kHz
14
-55
Gain
12
-60
10
ACPR 1.98 MHz
8
1.9
1.92
1.94
1.96
1.98
Frequency (GHz)
2
-65
Gain (dB), Efficiency (%)
18
25
IMD (dBc)
IM3 (dBc)
-60
-50
10
400 mA
200 mA
-60
ACPR 885 kHz
5
-70
Nd
ACPR 1.98 MHz
15
20
25
30
P(ave) dBm
35
-80
40
VDD = 26V Iq = 300mA
f = 1.96 GHz, 100kHz tone spacing
-30
150 mA
-50
-55
Gain
-20
VDD = 26V, 1.96 GHz
Two tones, 100 kHz spacing
-35
-45
15
Graph 2. CDMA ACPR, Power Gain and
Drain Efficiency vs. Output Power
-30
-40
-40
10
-20
-25
20
0
-70
2.02
Graph 1. Class AB Broadband Circuit
Performance
-30
Vdd = 26V, Iq = 350mA
f = 1.96 GHz
IS-95 9 Channels Forward
ACPR (dBc)
-40
VDD = 26V, Iq = 350mA, POUT=(36dBm)
IS-95, 9 channels Forward
ACPR (dBc)
Gain (dB), Efficiency (%)
20
350 mA
-40
-50
IM3
IM5
-60
-70
250 mA
300 mA
IM7
-80
24
20 22 24 26 28 30 32 34 36 38 40 42 44 46
26
28
30
34
36
38
40
42
44
46
P(ave) dBm
POUT (dBm PEP)
Graph 3. Intermodulation Distortion
vs. Output Power
14
13.5
13
12.5
Gain (dB)
32
12
11.5
11
Graph 4. Intermodulation Distortion
Products vs. Output Power
400 mA
350 mA
300 mA
250 mA
200 mA
150 mA
10.5
10
9.5
VDD = 26V, 1.96 GHz
Two tones, 100 kHz spacing
9
20 22 24 26 28 30 32 34 36 38 40 42 44 46
POUT(dBm) PEP
Graph 5. Power Gain versus Output
Power
4
RF Power LDMOS Transistor, 1800 — 2000 MHz, 30W, 26V
MAPLST1820-030CF
5/14/04
Preliminary
Package Dimensions
5
M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s)
or information contained herein without notice. M/A-COM makes no warranty,
representation or guarantee regarding the suitability of its products for any
particular purpose, nor does M/A-COM assume any liability whatsoever arising out
of the use or application of any product(s) or information.
Visit www.macom.com for additional data sheets and product information.
„ North America: Tel. (800) 366-2266
„ Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
„ Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020