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PTH 31002 30 Watts, 1.9-2.0 GHz 50-Ohm Power Hybrid
Description
The PTH 31002 is a 50-ohm power hybrid intended for applications requiring linear power amplification in the PCS frequency range. The part is designed to operate with 50-ohm source and load impedances and includes bias circuitry with temperature compensation. The design is intended to simplify system design and save space with an overall size of less than one square inch. * Guaranteed Performance at 1.93 to 1.99 GHz, 28 V - Output Power = 30 Watts (P-1dB) Min - Power Gain = 12 dB Min - Efficiency = 30% Min @ P-1dB Rugged Hybrid Design High Single Stage Gain Excellent Linearity Input VSWR less than 1.5:1 Full Gold Metallization 100% Lot Traceability
* * * * * *
Typical Output Power vs. Input Power
40
VDD = 28.0 V Output Power (W)
30
TCASE = +25C
1.99 GHz 1.93 GHz 1.96 GHz
20
e 02
34 A-12
3105699XX
10
0 0 0.2 0.4 0.6 0.8 1 1.2
Input Power (W)
Package A
Performance Characteristics
Parameter VDD = 28.0 V, IDQ (Typical) = 550 mA
Frequency Range Power Gain Output Power at 1 dB Compressed Input VSWR Efficiency at P-1dB All published data at TCASE = 25C unless otherwise indicated.
Symbol
f Gp P-1dB y h
Min
1930 12 30 -- 30
Typ
-- 14 34 1.25:1 35
Max
1990 -- -- 1.5:1 --
Units
MHz dB W -- %
e
1
PTH 31002
Maximum Ratings
Parameter
Supply Voltage Bias Current Operating Current Operating Temperature Total Device Dissipation at TCASE = 25C Above 25C derate by Storage Temperature TSTG
e
Symbol
VDD IDQ -- TCASE PD
Value
32 1000 4.5 90 TBD 125
Unit
Vdc mA A C Watts W/C C
Typical Performance
Power Gain vs. Output Power
18
1.99 GHz
Output Power (at P-1dB) vs. Supply Voltage
35
Power Gain (dB)
Output Power (W)
16
1.93 GHz
30
1.93 GHz 1.96 GHz
14 12
VDD = 28.0 V
1.96 GHz
25
10 8 0
TCASE = +25C
20
TCASE = +25C 1.99 GHz
15
10
20
30
40
50
19
22
25
28
Output Power (W)
Supply Voltage (V)
Efficiency vs. Output Power
(at constant voltage) 50
1.99 GHz
60 50 40 30 20 10
Efficiency vs. Output Power
(at constant frequency)
22 V 25 V 28 V
Efficiency (%)
40
1.96 GHz 1.93 GHz
30 20
Efficiency (%)
TCASE = +25C VDD = 28.0 V
TCASE = +25C f = 1.96 GHz
5 10 15 20 25 30 35 40
10 5 10 15 20 25 30 35 40
Output Power (W)
Output Power (W)
2
e
Gain and Return Loss vs. Frequency
0
PTH 31002
Small Signal Gain vs.Supply Voltage
18
18
Gain
Return Loss (dB)
-5 -10
15 Gain (dB) 12
Return Loss
Small Signal Gain (dB)
1.96 GHz
16
1.93 GHz
14
-15 -20 -25
9
TCASE = +25C POUT = 1.4 W VDD = 28.0 V
6 3 0
1.99 GHz
12
TCASE = +25C POUT = 1.4 W
12 16 20 24 28
-30 1.85
10
1.9
1.95
2
2.05
Frequency (GHz)
Supply Voltage (V)
Intermodulation Distortion vs. Output Power
-25 -35 3rd Order 5th Order 7th Order
IMD3 vs. Supply Voltage
-15 POUT = 30 W PEP -25 POUT = 16 W PEP
f = 1.96 GHz, f = 100 KHz TCASE = 25C
IMD (dBc)
-45 -55 -65 -75 0 5 10 15 20 25
IMD3 (dBc)
-35 POUT = 8 W PEP -45 POUT = 4 W PEP -55
VDD = 28.0 V, TCASE = 25C f = 1.96 GHz, f = 100 KHz
30
35
19
22
25
28
Output Power (Watts PEP)
Supply Voltage (V)
IMD vs. Quiescent Current
-45 -50 5th Order 3rd Order
3.0
Phase Delay vs. Frequency
IMD (dBc)
-55 -60 -65 -70 -75 490
Phase Delay (ns)
2.5
f = 1.96 GHz, f = 100 KHz TCASE = 25C, POUT = 4 W(PEP)
7th Order
2.0
TCASE = +25C POUT = 1.4 W
1.5
540
590
640
1.9
1.92
1.94
1.96
1.98
2
2.02
Quiescent Current (mA)
Frequency (GHz)
3
PTH 31002
Phase Linearity vs. Temperature
1.0
e
Quiescent Current vs. Bias Voltage
1200 Quiescent Current (mA) 1000 800 600 400 200 0 TCASE = +25C VDD = 28.0 V
Phase Linearity (deg.)
0.9 0.8 0.7 0.6 0.5 -20
VDD = 28.0 V POUT = 1.4 W
0 20 40 60 80 100
9
10
11 Bias Voltage (V)
12
13
Temperature (C)
Schematic
4
e
Case Outline Specifications Package 20237
PTH 31002
Ericsson Inc. Microelectronics Morgan Hill, CA 95037 USA
1-877-GOLDMOS (465-3667) United States +46 8 757 4700 International e-mail: rfpower@ericsson.com www.ericsson.com\rfpower
Specifications subject to change without notice. LP (c) 1998 Ericsson Inc. EUS/KR 1522-PTH 31002 Uen Rev. A 4-09-01
5

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