STEVAL-TDR003V1 2-stage RF power amp: PD84001 + PD54008L-E + LPF N-channel enhancement-mode lateral MOSFETs Feature ■ Excellent thermal stability ■ Frequency: 135 - 175 MHz ■ Supply voltage: 7.2 V ■ Output power: 5 W ■ Current < 1.5 A ■ Input power < 10 dBm ■ Harmonics level < -70 dBc ■ Load mismatch 20:1 ■ VAPC 5 V max ■ BeO free amplifier ■ RoHS compliant Mechanical specification: L = 40 mm, W = 20 mm Description The STEVAL-TDR003V1 is a 2-stage RF power amplifier including output low-pass filter (LPF) for harmonics rejection, specifically designed for portable two-way VHF radio communication. March 2010 Table 1. Doc ID 17343 Rev 1 Device summary Order code STEVAL-TDR003V1 1/20 www.st.com 20 Contents STEVAL-TDR003V1 Contents 1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Circuit schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6.1 PowerFLAT™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.1.1 6.2 Thermal pad and via design - SOT-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 6.2.1 7 2/20 Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Soldering profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Doc ID 17343 Rev 1 STEVAL-TDR003V1 Electrical data 1 Electrical data 1.1 Maximum ratings Table 2. Absolute maximum ratings Symbol VDD ID TCASE TA 2 Parameter Value Unit Supply voltage 15 V Drain current 2.5 A -20 to +85 °C +55 °C Operating case temperature Max. ambient temperature Electrical characteristics TA = +25 °C, VDD = 7.2 V, VAPC adjusted Table 3. Symbol Freq. PIN Electrical specification Test conditions Frequency range @ POUT = 5 W Min Typ Max Unit 135 175 MHz 5 10 dBm 1.5 A 5 V -70 dBc ITOTAL @ POUT = 5 W and PIN = 8 dBm PAE @ POUT = 5 W and PIN = 8 dBm 47% - 52% VAPC @ POUT = 5 W and PIN = 8 dBm 4 Harmonics @ POUT = 5 W Doc ID 17343 Rev 1 3/20 Typical performance STEVAL-TDR003V1 3 Typical performance Figure 1. Current vs frequency Figure 2. 1.35 Efficiency vs frequency 70 68 1.3 66 1.25 64 Drain Eff. (%) 1.2 1.15 62 60 58 56 1.1 54 Id (%) 5 dBm 1.05 Eff (A) 5 dBm Eff (%) 8 dBm Id (A) 8 dBm 52 1 50 135 140 145 150 155 160 165 170 175 135 140 145 150 155 Freq. (MHz) Figure 3. Gain vs frequency 33 Gain (dB) 32 31 Vdd = 7.2V Pout = 5W V APC adjusted 30 29 28 130 140 150 160 170 180 Frequency (MHz) Pin = 8dBm 4/20 Pin = 5dBm Doc ID 17343 Rev 1 160 165 170 175 STEVAL-TDR003V1 Figure 4. Typical performance Gain vs input power Figure 5. 40 34 38 33 Vdd = 7.2V Idq = 100m A 36 Vdd = 6V Idq = 300m A 32 Gain (dB) Gain (dB) Gain vs input power 34 32 31 30 29 28 30 27 28 26 -4 -2 0 2 4 6 8 10 -4 -2 0 Input Pow er (dBm ) 135 MHz Figure 6. 155 MHz 2 4 6 8 10 Input Pow er (dBm ) 175 MHz 135 MHz Gain vs input power 155 MHz 175 MHz p 34 33 Vdd = 5V Idq = 300m A Gain (dB) 32 31 30 29 28 27 26 25 24 -4 -2 0 2 4 6 8 10 Input Power (dBm) 135 MHz Drain current vs output power 2 2 1.6 1.6 1.2 0.8 Vdd = 6V Idq = 300m A 0.4 0 175 MHz Figure 8. Drain current (A) Drain current (A) Figure 7. 155 MHz Drain current vs output power p 1.2 0.8 Vdd = 5V Idq = 300m A 0.4 0 26 27 28 29 30 31 32 33 34 35 36 37 38 26 Output Pow er (dBm ) 135 MHz 155 MHz 27 28 29 30 31 32 33 34 35 36 Output Pow er (dBm ) 175 MHz Doc ID 17343 Rev 1 135 MHz 155 MHz 175 MHz 5/20 Typical performance STEVAL-TDR003V1 Figure 9. S21 response - low pass filter 0 -10 -20 S21 (dB) -30 -40 -50 -60 -70 -80 -90 -100 0 500000000 1000000000 Frequency (Hz) 6/20 Doc ID 17343 Rev 1 1500000000 2000000000 STEVAL-TDR003V1 Table 4. Typical performance Component list Designator Manufacturer Size Value Comment C1, C5, C16 Murata 0603 nc Capacitor C6 Murata 0603 1 uF Capacitor C1F Murata 0603 3.3 pF Capacitor GRM1885C1H3R3CZ01 C2, C3, C4, C7, C8, C9, C10 Murata 0603 330 pF Capacitor GRM1885C1H391JA01 C2F Murata 0603 18 pF Capacitor GRM1885C1H180JA01 C3F Murata 0603 12 pF Capacitor GRM1885C1H120JA01 C4F, C6F Murata 0603 22 pF Capacitor GRM1885C1H220JA01 C5F, C12 Murata 0603 27 pF Capacitor GRM1885C1H270JA01 C7F Murata 0603 15 pF Capacitor GRM1885C1H150JA01 C11 Murata 0603 56 pF Capacitor GRM1885C1H560JA01 C13 Murata 0603 33 pF Capacitor GRM1885C1H330JA01 C14 Murata 0603 100 pF Capacitor GRM1885C1H101JA01 C15 Murata 0603 39 pF Capacitor GRM1885C1H390JA01 DC-CON1 Phoenix contact 2.54 mm, 5 pole DC connector 1725685 L1 Coilcraft 1812 24 nH Inductor 1812SMS-33NJ L1F Coilcraft 1008 39 nH Inductor 1008CS-390NX_BW L2 Coilcraft 1812 33 nH Inductor 1812SMS-33NJ L2F Coilcraft 1008 22 nH Inductor 1008CS-220NX_BW L3 Coilcraft 1812 35.5 nH Inductor 1812SMS-22NJ L3F Coilcraft 1008 27 nH Inductor 1008CS-270NX_BW L4 Coilcraft 0603 18 nH Inductor 0603HC-18NX_BW L5 Coilcraft Minispring A 18.5 nH Inductor A05T PD54008L-E STMicroelectronics QFN 5x5 RF power transistor PD54008L-E PD84001 STMicroelectronics SOT89 RF power transistor PD84001 R1, R4 Tyco Electronics / Neohm 0603 62 kΩ Resistor R2 Tyco Electronics / Neohm 0603 430 kΩ Resistor R3 Tyco Electronics / Neohm 0603 240 Ω Resistor R5 Tyco Electronics / Neohm 0603 150 kΩ Resistor R6 Tyco Electronics / Neohm 0603 11 Ω Resistor Doc ID 17343 Rev 1 Part number CRG series thick film 7/20 Typical performance Table 4. STEVAL-TDR003V1 Component list (continued) Designator Manufacturer RF IN, RF OUT amplifier, RF OUT filter Johnson Size Value Comment Part number SMA 142-0701-801 Substrate FR-4 Substrate H = 20 mil h = 2 oz TL1 W = 0.9 2mm L = 3 mm Z = 50 Ω TL2 W = 0.92 mm L = 7.2 mm Z = 50 Ω TL3 W = 0.92 mm L = 6.2 3mm Z = 50 Ω TL4 W = 0.92 mm L = 6.62 mm Z = 50 Ω TL5 W = 0.92 mm L = 5.8 mm Z = 50 Ω Transmission line TL6 W = 0.92 mm L = 2.2 mm Z = 50 Ω TL7 W = 0.92 mm L = 11 mm Z = 50 Ω TL8 W = 0.92 mm L = 12.4 mm Z = 50 Ω TL9 W = 0.92 mm L = 2 mm Z = 50 Ω 8/20 Doc ID 17343 Rev 1 STEVAL-TDR003V1 4 Circuit layout Circuit layout Figure 10. Test fixture component layout Figure 11. Test circuit photomaster Doc ID 17343 Rev 1 9/20 Circuit schematics 5 STEVAL-TDR003V1 Circuit schematics Figure 12. Circuit schematic Figure 13. Bias schematic Figure 14. Filter schematic 10/20 Doc ID 17343 Rev 1 STEVAL-TDR003V1 Circuit schematics Figure 15. Input matching schematic Figure 16. Inter matching schematic Figure 17. Output matching schematic Doc ID 17343 Rev 1 11/20 Package mechanical data 6 STEVAL-TDR003V1 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 12/20 Doc ID 17343 Rev 1 STEVAL-TDR003V1 6.1 Package mechanical data PowerFLAT™ mechanical data Table 5. PowerFLAT™ mechanical data mm inch Dim. Min Typ Max A 0.90 A1 0.02 A3 0.24 Min Typ Max 1.00 0.035 0.039 0.05 0.001 0.002 0.009 AA 0.15 0.25 0.35 0.006 0.01 0.014 b 0.43 0.51 0.58 0.017 0.020 0.023 c 0.64 0.71 0.79 0.025 0.028 0.031 D 5.00 0.197 d 0.30 0.011 E 5.00 0.197 E2 2.49 2.57 2.64 0.098 0.101 e 1.27 0.050 f 3.37 0.132 g 0.74 0.03 h 0.21 0.008 0.104 Figure 18. PowerFLAT™ package dimensions Doc ID 17343 Rev 1 13/20 Package mechanical data Table 6. STEVAL-TDR003V1 PowerFLAT™ tape and reel dimensions mm. inch Dim. Min Typ Max Min Typ Max Ao 5.15 5.25 5.35 0.12 0.13 0.13 Bo 5.15 5.25 5.35 0.12 0.13 0.13 Ko 1.0 1.1 1.2 0.02 0.02 0.02 Figure 19. PowerFLAT™ tape and reel 14/20 Doc ID 17343 Rev 1 STEVAL-TDR003V1 6.1.1 Package mechanical data Mounting indications Figure 20. Standard SMD mounting Doc ID 17343 Rev 1 15/20 Package mechanical data 6.2 STEVAL-TDR003V1 Thermal pad and via design - SOT-89 Thermal vias are required in the PCB layout to effectively conduct heat away from the package. The via pattern has been designed to address the thermal, power dissipation and electrical requirements of the device. The via pattern is based on through-hole vias with 0.203 mm to 0.330 mm finished hole size on a 0.5 mm to 1.2 mm grid pattern with 0.025 plating on via walls. If micro vias are used in a design, it is suggested that the quantity of vias be increased by a 4:1 ratio to achieve similar results. Figure 21. Pad layout details 16/20 Doc ID 17343 Rev 1 STEVAL-TDR003V1 6.2.1 Package mechanical data Soldering profiles Figure 22 shows the recommended solder profile for devices that have lead-free terminal plating and where a lead-free solder is used. Figure 22. Recommended solder profile - lead-free Figure 23 gives the recommended solder profile for devices with lead-free terminal plating used with leaded solder, or for devices with leaded terminal plating used with leaded solder. Figure 23. Recommended solder profile - leaded Doc ID 17343 Rev 1 17/20 Package mechanical data STEVAL-TDR003V1 Figure 24. Reel information 18/20 Doc ID 17343 Rev 1 STEVAL-TDR003V1 7 Revision history Revision history Table 7. Document revision history Date Revision 31-Mar-2010 1 Changes Initial release. Doc ID 17343 Rev 1 19/20 STEVAL-TDR003V1 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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