DB-84008L-950 PD84008L-E 84008L EXCELDRC35C GRM39C0G151J50D500

Evaluation board using PD84008L-E for 900 MHz 2-way radio Features Excellent thermal stability Frequency: 740 - 950 MHz Supply

DB-84008L-950 DB-84008L-950 Evaluation board using PD84008L-E PD84008L-E for 900 MHz 2-way radio Features Excellent thermal stability Frequency: 740 - 950 MHz Supply voltage: 7.2 V Output power: 5 W Power gain: 11 ± 1.0 dB Efficiency: 48 % - 54% Load mismatch: infinite BeO free amplifier Mechanical specification: L = 60 mm, W = 30 mm Description The DB-84008L-950 DB-84008L-950 is an evaluation board using PD84008L-E PD84008L-E LDMOS transistor and designed for 2 Ways 900 MHz portable radio. Table 1. Order code For additional informations on PD84008L-E PD84008L-E please refer to its datasheet. December 2007 Device summary DB-84008L-950 DB-84008L-950 Rev 1 1/15 www.st.com 15 Contents DB-84008L-950 DB-84008L-950 Contents 1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Mounting indications - PD84008L-E PD84008L-E . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 Package mechanical data - PD84008L-E PD84008L-E . . . . . . . . . . . . . . . . . . . . . . . . 11 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/15 DB-84008L-950 DB-84008L-950 Electrical data 1 Electrical data 1.1 Maximum ratings Table 2. Absolute maximum ratings Symbol VDD ID Parameter Value Unit Supply voltage 16 V Drain current 2.5 A TCASE -20 to +85 °C TA 2 Operating case temperature Max. Ambient Temperature +55 °C Electrical characteristics TA = +25 oC, VDD = 7.5 V, Idq = 50 mA Table 3. Electrical specification Symbol Freq Test conditions Frequency range POUT Min Typ Unit 950 740 Max MHz 5 W Gain @ PIN = 26 dB 11 ± 1.0 dB ND @ PIN = 26 dB 49 - 54 % H2 2ND Harmonic @ PIN = 26 dB -46 / -60 dBc -54 / -60 dBc H3 VSWR 3 RD Harmonic @ PIN = 26 dB Load mismatch all phases @ POUT = 5 W Infinite 3/15 Impedance 3 DB-84008L-950 DB-84008L-950 Impedance Figure 1. Impedance graphic D ZDL ZIN ZGS G S Table 4. Impedance data F(MHz) ZDL 740 1.87 - j5.74 3.04 - j6.19 750 1.84 - j5.65 3.10 - j6.13 760 1.83 - j5.55 3.17 - j6.09 770 1.81 - j5.43 3.26 - j6.04 780 1.79 - j5.30 3.35 - j5.60 790 1.74 - j5.19 3.43 - j5.98 800 1.70 - j5.13 3.51 - j6.02 810 1.67 - j5.05 3.61 - j6.09 820 1.68 - j4.97 3.70 - j6.20 830 1.69 - j4.89 3.82 - j6.32 840 1.69 - j4.80 3.91 - j6.48 850 1.68 - j4.72 3.94 - j6.70 860 1.67 - j4.68 3.90 - j6.96 870 1.66 - j4.61 3.82 - j7.22 880 1.66 - j4.54 3.67 - j7.48 890 1.66 - j4.48 3.47 - j7.65 900 1.61 - j4.37 3.17 - j7.74 910 1.54 - j4.26 2.85 - j7.79 920 1.48 - j4.18 2.48 - j7.81 930 1.43 - j4.12 2.12 - j7.77 940 1.36 - j4.04 1.77 - j7.67 950 4/15 ZGS 1.33 - j3.98 1.49 - j7.51 DB-84008L-950 DB-84008L-950 Typical performance 4 Typical performance Figure 2. Output power vs frequency Vdd = 7.2 V - Idq = 200 mA Figure 3. Gain vs frequency Vdd = 7.2 V - Idq = 200 mA 14 6 Pin=25 dBm Pin=26 dBm 13 5 12 Pout (W) Gain (dB) 4 11 3 10 2 Pin=25 dBm 9 Pin=26 dBm 8 700 720 740 760 780 800 820 840 860 880 900 920 940 960 980 1000 1 700 720 740 760 780 800 820 840 860 880 900 920 940 960 980 1000 Freq (MHz) Freq (MHz) Figure 4. Input return loss vs frequency Vdd = 7.2 V - Idq = 200 mA Figure 5. Efficiency vs frequency Vdd = 7.2 V - Idq = 200 mA 60 0 -1 Pin=25 dBm Pin=26 dBm -2 50 Eff (%) IRL (dB) -3 -4 -5 40 -6 -7 Pin=25 dBm Pin=26 dBm 30 -8 700 720 740 760 780 800 820 840 860 880 900 920 940 960 980 1000 Freq (MHz) 700 720 740 760 780 800 820 840 860 880 900 920 940 960 980 1000 Freq (MHz) 5/15 Typical performance Figure 6. DB-84008L-950 DB-84008L-950 Gain vs output Vdd = 7.2 V - Idq = 200 mA Figure 7. 16 Harmonics vs frequency Pin = 26 dBm Vdd = 7.2 V - Idq = 200 mA -40 15 -45 H2 H3 14 -50 Harmonics (dBc) Gain (dB) 13 12 11 -55 -60 10 -65 9 740 MHz 850 MHz 950 MHz 8 0 0.5 1 1.5 2 2.5 3 3.5 Pout (W) 6/15 4 4.5 5 5.5 6 -70 720 740 760 780 800 820 840 860 880 900 920 940 960 980 Freq (MHz) DB-84008L-950 DB-84008L-950 Test circuit 5 Test circuit Figure 8. Test circuit schematic Vcc 1+ MSub R3 C3 B1 C4 + C5 2- B2 FR4 H=20 mil C1 R2 L1 C2 R1 TL4 TL5 C10 RFin C6 TL1 C7 Table 5. TL2 C8 TL6 C 11 C13 RFout C12 TL3 C9 LDMOS PD 84008L 84008L Component part list Component ID Description B1 Value Case size Manufacturer Part code Ferrite bead Panasonic EXCELDRC35C EXCELDRC35C B2 Ferrite bead Panasonic EXCELDRC35C EXCELDRC35C C1, C2 Capacitor 150 pF 0603 Murata GRM39C0G151J50D500 GRM39C0G151J50D500 C3 Capacitor 1 nF 0603 Murata GRM39COG102J50D500 GRM39COG102J50D500 C4 Capacitor 10 nF 0603 Murata GRM39X7R103K50C560 GRM39X7R103K50C560_ C5 Capacitor 10 uF SMT Panasonic EEVHB1V100P EEVHB1V100P C6, C13 Capacitor 39 pF 0603 Murata GRM39C0G390J50D500 GRM39C0G390J50D500 C7, C8 Capacitor 3,9 pF 0603 Murata GRM39C0G3R9C50Z500 GRM39C0G3R9C50Z500 C9, C10 Capacitor 18 pF 0603 Murata GRQ706C0G180J50K500 GRQ706C0G180J50K500 C11 Capacitor 8.2 pF 0603 Murata GRM39C0G8R2D50Z500 GRM39C0G8R2D50Z500 7/15 Test circuit Table 5. DB-84008L-950 DB-84008L-950 Component part list (continued) Component ID Description Value Case size Manufacturer Part code C12 Capacitor 2 pF 0603 Murata GRQ706C0G020C100K500 GRQ706C0G020C100K500 L1 Inductor 12.55 nH Coilcraft 1606-10 R1 Resistor 510 R2 Potentiometer 1 K R3 Resistor 100 0603 TL1 Transmission Line W=0.92mm L=12,5 mm TL2 Transmission Line W=0.92mm L=3,5 mm TL3 Transmission Line W=0.92mm L=2,6 mm TL4 Transmission Line W=0.92mm L=1,8 mm TL5 Transmission Line W=0.92mm L=5,3 mm TL6 Transmission Line W=0.92mm L=10.0 mm RF in, RF out SMA-CONN 50 60 mils PD84008L-E PD84008L-E LDMOS Board 8/15 0603 Tyco electronics Bourns electronics 3224W-1-102 Tyco electronics 01623440-1 Johnson 142-0701-801 STMicroelectronics PD84008L-E PD84008L-E FR-4 THk=0.020" 2OZ Cu both sides DB-84008L-950 DB-84008L-950 6 Circuit layout Circuit layout Figure 9. Circuit layout 9/15 Mounting indications - PD84008L-E PD84008L-E 7 Mounting indications - PD84008L-E PD84008L-E Figure 10. Standard SMD mounting 10/15 DB-84008L-950 DB-84008L-950 DB-84008L-950 DB-84008L-950 8 Package mechanical data - PD84008L-E PD84008L-E Package mechanical data - PD84008L-E PD84008L-E In order to meet environmental requirements, ST offers these devices in ECOPACK® 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 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 11/15 Package mechanical data - PD84008L-E PD84008L-E Table 6. DB-84008L-950 DB-84008L-950 PowerFLATTM mechanical data - PD84008L-E PD84008L-E mm inch Dim. Min Typ Max A 0.90 A1 0.02 A3 Min Typ Max 1.00 0.035 0.039 0.05 0.001 0.002 0.24 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 Figure 11. PowerFLATTM package dimensions 12/15 0.104 DB-84008L-950 DB-84008L-950 Package mechanical data - PD84008L-E PD84008L-E Table 7. PowerFLATTM tape and reel dimensions - PD84008L-E PD84008L-E 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 12. PowerFLATTM tape and reel 13/15 Revision history 9 DB-84008L-950 DB-84008L-950 Revision history Updated Table 8. Document revision history Date 06-Dec-2007 14/15 Revision 1 Changes Initial release DB-84008L-950 DB-84008L-950 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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