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DB-55015-490
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RF power amplifier using 1 x PD55015-E N-channel enhancement-mode lateral MOSFETs
Preliminary Data
Features

Excellent thermal stability Frequency: 420 - 490 MHz Supply voltage: 13.2 V Output power: 15 W Power gain: 13.5 0.7 dB Efficiency: 51 % - 62 % Load mismatch: 20:1 Beo free amplifier
Description
The DB-55015-490 is a common source N-channel enhancement-mode lateral field effect RF power amplifier designed for UHF mobile radio applications. Table 1.
Mechanical specification: L = 60 mm, W = 30 mm
Device summary
Order codes DB-55015-490
March 2009
Rev 1
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This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Contents
DB-55015-490
Contents
1 www..com Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 3 4 5 6 7 8
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
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DB-55015-490
Electrical data
1
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Electrical data
Maximum ratings
Table 2.
Symbol VDD ID PDISS TCASE TA Supply voltage Drain current Power dissipation Operating case temperature Max. ambient temperature
1.1
Absolute maximum ratings
Parameter Value 24 3 25 -20 to +85 55 Unit V A W C C
2
Electrical characteristics
TA = +25 C, VDD = 13.2 V, IDQ = 150 mA Table 3.
Symbol Freq POUT Gain ND H2 H3 VSWR @ PIN = 29 dBm @ PIN = 29 dBm 2 3
ND
Electrical specification
Test conditions Frequency range Min. 420 14 18 13.5 0.7 51 - 62 -40 -60 -35 -55 20:1 Typ. Max. 490 Unit MHz W dB % dBc dBc
Harmonic @ PIN = 27 dBm Harmonic @ PIN = 27 dBm
RD
Load mismatch all phases @ PIN = 27 dBm
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Impedance
DB-55015-490
3
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Impedance
Figure 1. Impedance graphic
D
ZDL
ZGS IN
G
S
Table 4.
Impedance data
f(MHz) 400 410 420 430 440 450 460 470 480 490 500 ZGS () 1.8 + j0,31 1.9 + j0,52 1.8 + j0,80 1.8 + j1,06 1.8 + j1,28 1.8 + j1,50 1.7+ j1,70 1.7 + j1.90 1.6 + j2,05 1.6 + j2,20 1.4 + j2,40 ZDL () 1.9 + j0,11 1.9 + j0,4 1.8 + j0,67 1.8 + j0,92 1.8 + j1.17 1.8 + j1.37 1.6 + j1.59 1.5 + j1.78 1.4 + j1,96 1.3 + j2,18 1.1 + j2,42
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Typical performance
4
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Typical performance
Gain vs output power Vdd = 13.2 V, Idq = 150 mA Figure 3. Efficiency vs output power_Vdd = 13.2 V, Idq = 150 mA
Figure 2.
Figure 4.
Output power and efficiency vs frequency_Vdd = 13.2 V, Idq = 150 mA, Pin = 29 dBm
Figure 5.
Gain vs frequency_Vdd = 13.2 V, Idq = 150mA, Pin = 29 dBm
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Typical performance Figure 6. Input return loss vs frequency_Vdd Figure 7. = 13.2 V, Idq = 150 mA, Pin = 29dBm
DB-55015-490 Harmonics vs frequency_Vdd = 13.2 V, Idq = 150 mA, Pin = 27 dBm
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DB-55015-490
Test circuit
5
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Test circuit
Test circuit schematic
Vcc
1+
Table 5.
R3
2-
MSub
FR4 H=60 mil
D1
B1
B2 C3 C4 C5
R2
C1 L1 C2
R4
R1 TL4 C9 L3 TL5 C10 C11 RFout
RFin
C6
TL1 C7 L2
TL2
TL3 C8 LDMOS PD55015
Table 6.
Components part list
Description Ferrite Bead Zener Diode Inductor Inductor Inductor Resistor Potentiometer Resistor Resistor Capacitor Capacitor Capacitor Electrolytic Capacitor Capacitor Capacitor Capacitor Capacitor Transmission line 5.1 V 39 nH 2.55 nH 5 nH 560 10 k 1 k 15 120 pF 1 nF 10 nF 220 F-35 V 470 pF 15 pF 47 pF 11 pF 1206 100B 100B 100B W = 2.83 mm, L = 10.23 mm 0603 1206 1206 1206 SOD110 Midi Micro Mini 0603 Value Case size Manufacturer PANASONIC PHILIPS COILCRAFT COILCRAFT COILCRAFT Tyco electronics Bourns electronics Tyco electronics Tyco electronics Murata Murata Murata Rubycon Murata ATC ATC ATC GRM42-6C0G121 GRM188R71H102K GRM188R71H103K N0037 MA69471JBB 150 470 110 3214W-1-103E Part code EXCELDRC35C BZX284C5V1 1812SMS-39N 0906-3 A02T
Component ID B1, B2 D1 L1 L2 L3 R1 R2 R3 R4 C1, C2 C3 C4 C5 C6, C11 C7 C8, C9 C10 TL1
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Test circuit Table 6. Components part list (continued)
Description Value Case size W = 4.9 mm, L = 1 mm W = 4.9 mm, L = 2.48 mm W = 4.9 mm, L = 2.6 mm W = 2.83 mm, L = 9.6 mm SMA-CONN LDMOS 60 mils JOHNSON STMicroelectronics FR-4 THk=0.060" 2OZ Cu both sides Manufacturer
DB-55015-490
Component ID TL2 TL3 TL4 TL5 RF in, RF out PD55015-E Board
Part code
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142-0701-801 PD55015-E
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DB-55015-490
Mounting indications
6
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Mounting indications
Figure 8. PowerSO-10 mounting indications
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Package mechanical data
DB-55015-490
7
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Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark.
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DB-55015-490
Package mechanical data
Table 7.
Dim.
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PowerSO-10RF formed lead (gull wing) mechanical data
mm. Min. Typ. 0.05 3.5 1.3 0.2 0.2 5.4 0.23 9.4 7.4 13.85 9.3 7.3 5.9 5.53 0.27 9.5 7.5 14.1 9.4 7.4 6.1 0.5 1.2 0.8 1 0.8 2 deg 5 deg 6 deg 10 deg 8 deg 2 deg 1.1 0.25 0.031 5 deg 6 deg 10 deg 8 deg 0.030 5.65 0.32 9.6 7.6 14.35 9.5 7.5 6.3 0.212 0.008 0.370 0.290 0.544 0.365 0.286 0.231 Max. 0.1 3.6 1.4 0.25 Min. 0. 0.134 0.046 0.005 Inch Typ. 0.0019 0.137 0.05 0.007 0.007 0.217 0.01 0.374 0.295 0.555 0.37 0.292 0.24 0.019 0.047 0.039 0.042 0.01 0.221 0.012 0.377 0.298 0.565 0.375 0.294 0.247 Max. 0.0038 0.142 0.054 0.009
A1 A2 A3 A4 a b c D D1 E E1 E2 E3 F G L R1 R2 T T1 T2
0 3.4 1.2 0.15
Note:
Resin protrusions not included (max value: 0.15 mm per side) Figure 9. Package dimensions
Critical dimensions: - Stand-off (A1) - Overall width (L)
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Package mechanical data
DB-55015-490
Figure 10. PowerSO-10RF tape and reel
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DB-55015-490
Revision history
8
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Revision history
Table 8.
Date 18-Mar-2009
Document revision history
Revision 1 Initial release. Changes
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DB-55015-490
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