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DB-54003-470
RF POWER amplifier using 1 x PD54003 N-Channel enhancement-mode lateral MOSFETs
General feature

Excellent thermal stability Frequency: 400 - 470MHz Supply voltage: 7.5V Output power: 3W Efficiency: 50% - 53% Load mismatch: 20:1 Beo free amplifier
Description
The DB-54003-470 is a common source N-Channel Enhancement-Mode Lateral Field Effect RF power amplifer designed for UHF Portable radio applications
Mechanical specification: L = 70 mm, W = 30 mm
Order Code
DB-54003-470
June 2006
Rev 1
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www.st.com 18
Contents
DB-54003-470
Contents
1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 3 4 5 6 7 8
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
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DB-54003-470
Electrical data
1
1.1
Electrical data
Maximum ratings
Table 1.
Symbol VDD ID TCASE TA Supply voltage Drain current Operating case temperature Max. ambient temperature
Absolute maximum ratings
Parameter Value 16 2 -20 to +85 +55 Unit V A C C
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Electrical characteristics
DB-54003-470
2
Electrical characteristics
TA = +25 oC, VDD = 7.5V, IDQ = 100 mA Table 2.
Symbol Freq POUT Gain ND H2 H3 VSWR @ POUT = 3W @ POUT = 3W 2 3
ND
Electrical Specification
Test Conditions Frequency range Min 400 3 4 12.1 0.3dB 50 -53 -60 53 -50 -55 20:1 Typ Max 470 Unit MHz W dB % dBc dBc
Harmonic @ POUT = 3W
RD
Harmonic @ POUT = 3W
Load mismatch all phases @ POUT = 3W
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DB-54003-470
Typical performance
3
Typical performance
Figure 1.
5
Output power vs input power Figure 2.
18 17
Gain vs output power
4
16 15
Output Power (W)
14
Gain (dB)
Vdd= 7.5 Idq= 100 V mA
3
13 12 11 10
2
1
9 8 7 Vdd= 7.5 Idq= 100 V mA
0 0,0 0,1 0,2 0,3 0,4 0,5
6 0 1 2 3 4 5
Input Power (W)
380 400 420 440 460 480 380 400
Pout (W)
420 440 460 480
Figure 3.
70 65 60 55 50
Drain efficiency vs ouptut power
Figure 4.
Gain vs frequency
18 16 14
Eff (%)
Gain (dB)
Vdd= 7.5 Idq= 100 V mA
45 40 35 30 25 20 15 10 0 1 2 3 4 5
12 10 8 6 4 360 Pout = 3W
Pout (W)
380 400 420 440 460 480
380
400
420
440
460
480
500
520
Freq (MHz)
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Typical performance Figure 5.
80 75 70 65 60
DB-54003-470 Efficiency vs frequency Figure 6.
0 -2 -4 -6
Input return loss vs frequency
RTL (dB)
Eff. (%)
55 50 45 40 35 30 25 20 360 380 400 420 440 460 480 500 520
-8 -10 -12 -14 -16 -18 360
380
400
420
440
460
480
500
520
Freq (MHz)
Freq (MHz)
3W 4W
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DB-54003-470 Figure 7. Harmonics vs frequency
-40 -45
Typical performance
Harmonics (dBc)
-50 -55 -60 -65 -70 -75 360
380
400
420
440
460
480
500
520
Freq (MHz)
H2 H3
Figure 8.
Output power vs drain supply voltage
14 12
Pin= 30dBm
10 Pout (W) 8 6 4 2 0 4 6 8 Vdd (V) 380 400 420 440 460 480 10 12 14
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Test circuit
DB-54003-470
4
Figure 9.
Test circuit
Test circuit schematic
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DB-54003-470
Circuit layout
5
Circuit layout
Figure 10. Circuit layout
PD54003
9/18
Circuit layout Table 3.
Part Type CAP CAP CAP CAP Electrolytic CAP CAP CAP CAP CAP CAP CAP TL TL TL TL TL Ferrite Bead Ferrite Bead INDUCTOR INDUCTOR INDUCTOR TRANSISTOR Resistor POT Resistor SMA-CONN SMA-CONN ZENER BOARD
DB-54003-470
Components part list for DB-54003-470
Component ID C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 TL1, TL7 TL2 TL3, TL4 TL5 TL6 B1 B2 L1 L2 L3 PD54003 R1 R2 R3 RF in RF out D1 Description Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Transmission Line Transmission Line Transmission Line Transmission Line Transmission Line Ferrite Bead Ferrite Bead Inductor Inductor Inductor LDMOS Resistor Potentiometer Resistor SMA-CONN SMA-CONN Zener Diode 5.1 V SOD110 15 ohms 10 K 1K 1206 1206 35.5nH 3.85 nH 8 nH Value 120 pF 120 pF 1 nF 10 nF 10 uF 330 pF 330pF 12 pF 39 pF 43 pF 12 pF Case size 1206 1206 1206 1206 SMT 100B 100B 100B 100B 100B 100B Manufacturer Murata Murata Murata Murata Panasonic ATC ATC ATC ATC ATC ATC W = 2.87 mmL = 7 mm W = 4.9 mm L = 5 mm W = 6 mm L = 3 mm W = 4.9 mm L = 2.5 mm W = 4.9 mm L = 2.5 mm PANASONIC PANASONIC Coilcraft Mini Spring Coilcraft Micro Spring Coilcraft Mini Spring STMicroelectronics TYCO ELECTRONICS BOURNS ELECTRONICS TYCO ELECTRONICS Johnson Johnson PHILIPS EXCELDRC35C EXCELDRC35C B09TJ 0906-4J A03TJ PD54003 01623440-1 3214W-1-103E 01623440-1 142-0701-801 142-0701-801 BZX284C5V1 Part Code GRM42-6C0G121J50 GRM42-6C0G121J50 GRM42-6C0G102J50 GRM42-6X7R104K50 EEVHB1V100P 331 331 120 390 430 120
FR-4 THk=0.060" 2OZ Cu Both Sides
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DB-54003-470
Mounting indications
6
Mounting indications
Figure 11. Standard SMD mounting
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Mounting indications
DB-54003-470
Figure 12 shows the recommeded solder for devices that have Pb-free terminal plating and where a Pb-free solder is used. Figure 12. Recommended solder profile
Figure 13 shows the recommeded solder for devices with Pb-free terminal plating used with leaded solder, or for devices with leaded terminal plating used with a leaded solder. Figure 13. Recommended solder profile for leaded devices
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DB-54003-470
Package mechanical data
7
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com
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Package mechanical data Table 4.
Dim Min A1 A2 A3 A4 a b c D D1 E E1 E2 E3 F G L R1 R2 T T1 T2 2 deg 0.8 5 deg 6 deg 10 deg 8 deg 2 deg 0.8 5.4 0.23 9.4 7.4 13.85 9.3 7.3 5.9 0 3.4 1.2 0.15
DB-54003-470
PowerSO-10RF Formed lead (Gull Wing) mechanical data
mm. Typ 0.05 3.5 1.3 0.2 0.2 5.53 0.27 9.5 7.5 14.1 9.4 7.4 6.1 0.5 1.2 1 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
Note:
Resin protrusions not included (max value: 0.15 mm per side) Figure 14. Package dimensions
Critical dimensions: - Stand-off (A1) - Overall width (L)
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DB-54003-470
Package mechanical data
Figure 15. PowerSO-10RF Tape & reel
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Package mechanical data Figure 16. Tube information
DB-54003-470
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DB-54003-470
Revision history
8
Revision history
Table 5.
Date 13-Jun-2006
Revision history
Revision 1 Initial release Changes
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DB-54003-470
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