DB-84008L-950 STMicroelectronics, DB-84008L-950 Datasheet
DB-84008L-950
Specifications of DB-84008L-950
DB-84008L-950 Summary of contents
Page 1
... Efficiency 54% ■ Load mismatch: infinite ■ BeO free amplifier Description The DB-84008L-950 is an evaluation board using PD84008L-E LDMOS transistor and designed for 2 Ways 900 MHz portable radio. For additional informations on PD84008L-E please refer to its datasheet. December 2007 DB-84008L-950 Mechanical specification mm Table 1 ...
Page 2
... Contents 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 Package mechanical data - PD84008L Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/15 DB-84008L-950 ...
Page 3
... DB-84008L-950 1 Electrical data 1.1 Maximum ratings Table 2. Absolute maximum ratings Symbol V Supply voltage DD I Drain current D T Operating case temperature CASE T Max. Ambient Temperature A 2 Electrical characteristics + Table 3. Electrical specification Symbol Freq Frequency range P OUT Gain @ Harmonic @ Harmonic @ P VSWR Load mismatch all phases @ P Parameter = 7 ...
Page 4
... DB-84008L-950 3.04 - j6.19 3.10 - j6.13 3.17 - j6.09 3.26 - j6.04 3.35 - j5.60 3.43 - j5.98 3.51 - j6.02 3.61 - j6.09 3 ...
Page 5
... DB-84008L-950 4 Typical performance Figure 2. Output power vs frequency Vdd = 7 Idq = 200 Pin=25 dBm Pin=26 dBm 1 700 720 740 760 780 800 820 840 860 Freq (MHz) Figure 4. Input return loss vs frequency Vdd = 7 Idq = 200 Pin=25 dBm - 700 720 740 760 780 800 820 840 860 880 900 920 940 960 980 1000 Freq (MHz) Figure 3 ...
Page 6
... MHz 8 0 0.5 1 1.5 2 2.5 3 Pout (W) 6/15 Figure 7. -40 -45 -50 -55 -60 -65 950 MHz -70 3.5 4 4.5 5 5.5 6 720 740 760 780 800 820 840 860 880 900 920 940 960 980 DB-84008L-950 Harmonics vs frequency Pin = 26 dBm Vdd = 7 Idq = 200 Freq (MHz) ...
Page 7
... DB-84008L-950 5 Test circuit Figure 8. Test circuit schematic MSub FR4 H=20 mil RFin TL1 Table 5. Component part list Component ID Description B1 Ferrite bead B2 Ferrite bead C1, C2 Capacitor C3 Capacitor C4 Capacitor C5 Capacitor C6, C13 Capacitor C7, C8 Capacitor C9, C10 Capacitor C11 Capacitor C10 TL2 TL3 LDMOS C9 PD 84008L ...
Page 8
... KΩ Bourns electronics 100 Ω 0603 Tyco electronics W=0.92mm L=12,5 mm W=0.92mm L=3,5 mm W=0.92mm L=2,6 mm W=0.92mm L=1,8 mm W=0.92mm L=5,3 mm W=0.92mm L=10 Ω 60 mils STMicroelectronics FR-4 THk=0.020" 2OZ Cu both sides DB-84008L-950 Part code GRQ706- Murata C0G020C100K500 Coilcraft 1606-10 3224W-1-102 01623440-1 Johnson 142-0701-801 PD84008L-E ...
Page 9
... DB-84008L-950 6 Circuit layout Figure 9. Circuit layout Circuit layout 9/15 ...
Page 10
... Mounting indications - PD84008L-E 7 Mounting indications - PD84008L-E Figure 10. Standard SMD mounting 10/15 DB-84008L-950 ...
Page 11
... DB-84008L-950 8 Package mechanical data - 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. The maximum ratings related to soldering conditions are also marked on the inner box label ...
Page 12
... DB-84008L-950 inch Min Typ Max 0.035 0.039 0.001 0.002 0.009 0.006 0.01 0.014 0.017 0.020 0.023 0.025 0.028 0.031 0.197 0.011 ...
Page 13
... DB-84008L-950 Table 7. PowerFLAT™ tape and reel dimensions - PD84008L-E Dim Figure 12. PowerFLAT™ tape and reel mm Min Typ Max 5.15 5.25 5.35 5.15 5.25 5.35 1.0 1.1 1.2 Package mechanical data - PD84008L-E inch Min Typ 0.12 0.13 0.12 0.13 0.02 0.02 Max 0 ...
Page 14
... Revision history 9 Revision history Updated Table 8. Document revision history Date 06-Dec-2007 14/15 Revision 1 Initial release DB-84008L-950 Changes ...
Page 15
... DB-84008L-950 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...