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| 0.5 W, 2.4 GHz Power Amplifier V 1.4 AM52-0024 Features * * * * * Ideal for 802.11b ISM Applications Single Positive Supply Output Power 27.5 dBm 57% Typical Power Added Efficiency Downset MSOP-8 Package Functional Schematic PIN 1 PIN 8 Description M/A-COM's AM52-0024 is a 0.5 W, 2.4 GHz GaAs MMIC, power amplifier in a low-cost MSOP-8 package. It employs some external matching to obtain optimum input return loss and output power performance. The AM520024 may be operated with supply voltages of +3.3 V to +5.5 V. The AM52-0024 may be used in a wide variety of applications including WLAN, WDECT, and Bluetooth. The AM52-0024 is fabricated using M/A-COM's SelfAligned MSAG MESFET process to realize high power efficiency, single supply voltage, and small size. The process features full passivation for increased performance and reliability. Ordering Information Part Number AM52-0024TR AM52-0024TR-3000 AM52-0024SMB Package 7 inch, 1000 Piece Reel 13 inch, 3000 Piece Reel Sample Test Board Electrical Specifications Characteristic Frequency Output Power Power Added Efficiency Current Under Drive Current Under Linear Operation Small Signal Gain Harmonics Input VSWR Off Isolation 1,2 : TS = +37C (temperature measured at the soldering point of the downset paddle) Min 2.4 25.5 27.5 57 300 130 230 29.0 -40 1.4:1 40 25 40 No Degradation in Power Output All non-harmonically related outputs more than 60 dB below desired signal 2.0:1 300 Typ Max 2.5 Unit GHz dBm % mA mA dB dBc dB C/W dBm F = 2450 MHz, PIN = -2 dBm F = 2450 MHz, PIN = -2 dBm F = 2450 MHz, PIN = -2 dBm F = 2450 MHz, POUT = +20 dBm F = 2450 MHz, POUT = +20 dBm F = 2450 MHz, PIN = -2 dBm F = 2450 MHz, PIN = -2 dBm F = 2450 MHz, V DD = 0 V F = 2450 MHz, PIN = -2 dBm F1 = 2450 MHz, PIN = -20 dBm F2 = 2451 MHz, PIN = -20 dBm V DD = 5.5 V, VSWR = 8:1, PIN = 0 dBm PIN = -2 to +2 dBm, V DD = 0 to 5.5 V, Load VSWR = 6:1, all phases Test Conditions Thermal Resistance, junction to package bottom Third Order Intercept Point Load Mismatch Stability 1. 2. VDD = +3.3 Volts, P IN = -2 dBm, Frequency = 2450 MHz, and Duty Cycle = 100% unless otherwise specified. All Measurements taken in a 50 system unless otherwise specified. 0.5 W, 2.4 GHz Power Amplifier MSOP-8EP Plastic Package Dimensions Measurement (mm) Min A A1 A2 b D D1 E E1 E2 e L Theta () 0.80 0.026 0.75 0.25 2.90 Max 1.10 0.076 0.95 0.40 3.10 Measurement (inches) Min 0.0315 0.0010 0.0295 0.0098 0.1142 Max 0.0433 0.0030 0.0374 0.0157 0.01220 AM52-0024 V 1.4 1.85 ref. 1.85 ref. 4.90 basic 2.90 1.73 ref 0.65 basic 0.40 0 4.90 basic 3.10 1.73 ref. 0.65 basic 1.70 6 0.073 ref. 0.073 ref. 0.1929 basic 0.1142 0.1929 basic 0.1220 0.068 ref. 0.068 ref. 0.0256 basic 0.0157 0 0.0256 basic 0.0276 60 Pin Configuration Pin 1 2 3 4 5 6 7 8 Function V D1 RFIN/V G1 GND V G2 V G3 GND RFOUT /V D3 V D2 3 Note: All dimensions per JEDEC MO-187 Var. AA (issue B) except for D1, E2, and A1. See JEDEC or contact M/A-COM for additional dimensional and tolerance information. Description Drain Voltage for First Stage RF input and Gate Voltage for First Stage Ground Gate Bias for Second Stage Gate Bias for Third Stage Ground RF Output and Drain Voltage for Third Stage Drain Voltage for Second Stage Absolute Maximum Ratings Rating DC Supply Voltage RF Input Power Junction Temperature Storage Temperature Range Operating Temperature Symbol V DD PIN TJ TSTG TOPER 4 Value 5.5 10 150 -40 to +150 -40 to +100 Unit V mW C C C 3. Package bottom is electrical and thermal ground 4. Exceeding these limits may cause permanent damage. Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 2 0.5 W, 2.4 GHz Power Amplifier Application Information AM52-0024 V 1.4 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 3 0.5 W, 2.4 GHz Power Amplifier Evaluation Board Schematic +VDD T7 R1 T1 C1 T2 L1 T3 C2 C3 C4 3 8 AM52-0024 V 1.4 T8 L2 RFIN 1 RF OUT T5 C5 T6 C6 2 7 3 6 T4 4 5 Full-Downset Paddle To Board Ground List of components: C1 - C4 = 100 pF multilayer ceramic chip capacitor (Dielectric Labs C11AH101K5TXL) C5 = 2.0 pF multilayer ceramic chip capacitor (Dielectric Labs C11AH2R0B5TXL) C6 = 1.2 pF multilayer ceramic chip capacitor (Dielectric Labs C11AH1R2B5TXL) R1 = 300 chip resistor (P300ECT -ND) L1 = 1.8 nH chip inductor (Toko TKS2360CT -ND) L2 = 27 nH chip inductor (Coilcraft 1008CS-270XKBB) Transmission Line T1 T2 T3 T4 T5 T6 T7 T8 Length 0.15 inches 0.21 inches 0.11 inches 0.16 inches 0.13 inches 0.16 inches 0.13 inches 0.07 inches Width 0.077 inches 0.077 inches 0.077 inches 0.026 inches 0.077 inches 0.077 inches 0.026 inches 0.026 inches * Lengths and widths are given for a 0.060 inch thick FR-4 board (distance between RF and ground planes) with dielectric constant of approximately 4.3. Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 4 0.5 W, 2.4 GHz Power Amplifier Typical Performance Curves Gain vs. Frequency, over Temperature AM52-0024 V 1.4 Input Return Loss vs. Frequency, over Temperature 30 29 -40C +25C +85C Gain (dB) 28 27 26 25 2.2 2.3 2.4 2.5 2.6 Frequency (GHz) Drain Current vs. Frequency, over Temperature Gain and Drain Current vs. Voltage, TS = +37 C 35 450 Gain (dB) 25 20 15 1 2 3 4 5 250 Gain Idd 150 50 Vdd (volts) Output Power and Drain Current vs. Input Power, TS = +37 C Idd (mA) 5 30 350 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 0.5 W, 2.4 GHz Power Amplifier Designing With the AM52-0024 AM52-0024 V 1.4 The AM52-0024 is built using a near-enhancement mode FET that operates from a single supply voltage. A negative voltage is not required because the FET is designed to operate with a +0V DC gate bias. To duplicate AM52-0024 data sheet performance, the circuit board must present the same impedances realized on this evaluation board. The table below has impedance measurements looking into the traces on the evaluation board, Frequency GHz 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 V DD1 Pin 1 MAG 0.98890 0.88449 0.96296 0.98166 0.98669 0.98659 0.98701 0.98696 0.98757 0.98793 0.98766 0.98685 0.98253 0.91016 0.97895 0.98693 0.98885 0.98968 0.99001 0.98939 0.9079 0.99100 0.99134 0.99146 0.99178 0.99134 0.98781 0.96980 0.95172 0.98242 0.99063 0.99392 0.99353 0.99183 0.98528 0.98115 0.99055 0.99468 0.99541 ANG 168.89 130.14 162.21 159.36 150.11 142.94 136.46 130.40 124.64 119.13 113.79 108.52 103.08 98.26 96.95 91.94 87.51 83.39 79.46 75.68 72.12 68.61 65.25 61.98 58.73 55.49 52.20 48.90 48.55 46.16 43.08 40.27 37.51 34.87 32.36 30.74 28.59 26.15 23.85 RF IN /V GG1 Pin 2 MAG 0.98437 0.97810 0.96932 0.96033 0.95221 0.94257 0.93372 0.92399 0.91521 0.90655 0.89741 0.88850 0.87922 0.87041 0.85901 0.84867 0.83780 0.82602 0.81268 0.79856 0.78264 0.76563 0.74652 0.72506 0.70186 0.67587 0.64683 0.61470 0.57400 0.52740 0.48956 0.44620 0.40182 0.35797 0.31683 0.28368 0.26456 0.26206 0.27526 ANG 158.43 148.00 138.02 128.52 119.37 110.68 102.50 94.78 87.48 80.60 74.13 68.01 62.20 56.61 51.24 46.25 41.39 36.67 32.09 27.65 23.35 19.11 14.96 10.91 6.91 2.97 -0.91 -4.81 -8.86 -11.19 -13.34 -15.29 -16.23 -15.65 -13.12 -7.89 -0.17 8.43 16.18 V GG2 Pin 4 MAG 0.98990 0.98811 0.98733 0.98729 0.98779 0.98796 0.98912 0.98928 0.99004 0.99099 0.99165 0.99162 0.99228 0.99283 0.99372 0.99362 0.99411 0.99457 0.99405 0.99409 0.99430 0.99427 0.99425 0.99399 0.99400 0.99331 0.99282 0.99214 0.99108 0.98954 0.98827 0.98684 0.98579 0.98338 0.98114 0.97774 0.97527 0.97149 0.96801 ANG 157.75 147.07 136.83 126.92 117.53 108.67 100.34 92.48 85.10 78.16 71.67 65.55 59.78 54.27 49.02 44.08 39.33 34.73 30.31 26.02 21.85 17.75 13.76 9.82 5.85 1.90 -2.00 -5.98 -9.98 -13.99 -18.12 -22.42 -26.81 -31.29 -36.02 -40.95 -46.15 -51.66 -57.48 RF O U T/V D D 3 Pin 7 MAG 0.96758 0.93440 0.89791 0.85525 0.80306 0.75165 0.70235 0.65785 0.61674 0.58189 0.55207 0.52778 0.51054 0.50134 0.50184 0.51099 0.52890 0.55378 0.58373 0.61689 0.65283 0.68573 0.71788 0.74798 0.77528 0.79976 0.82079 0.83832 0.85400 0.86663 0.87801 0.88698 0.89353 0.89823 0.90042 0.89832 0.88711 0.85217 0.78439 ANG 88.92 52.01 28.02 8.85 -8.42 -23.19 -36.51 -49.03 -61.22 -73.60 -86.36 -99.76 -113.87 -128.62 -143.72 -159.03 -174.06 171.57 158.06 145.85 133.76 123.12 113.31 104.32 95.95 88.27 81.13 74.49 68.30 62.57 57.07 51.92 46.93 42.18 37.52 32.95 28.34 23.98 25.69 V DD2 Pin 8 MAG 0.98740 0.87259 0.95647 0.97951 0.98325 0.98331 0.98362 0.98291 0.98248 0.98325 0.98254 0.98097 0.97567 0.88506 0.96660 0.97912 0.98174 0.98247 0.98252 0.96646 0.98349 098395 0.98474 0.98447 0.98507 0.98381 0.98006 0.96403 0.90400 0.95087 0.97696 0.98397 0.98539 0.98374 0.97595 0.97468 0.98255 0.98187 0.97076 ANG 170.03 126.11 168.46 165.71 157.06 150.64 144.92 139.57 134.49 129.55 124.75 119.95 14.77 109.11 110.93 105.76 101.51 97.56 93.75 89.86 87.18 83.71 80.41 77.23 74.04 70.83 67.52 63.91 62.55 63.65 60.24 57.19 54.35 51.69 49.24 47.68 45.41 42.91 41.20 6 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. |
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