TC3938 REV2_20070503 Packaged Single-Bias Medium Power PHEMT GaAs FETs FEATURES ! 1.0 dB Typical Noise Figure at 12 GHz PHOTO ENLARGEMENT ! High Associated Gain: Ga = 8 dB Typical at 12 GHz ! 24dBm Typical Power at 12 GHz ! 9 dB Typical Linear Power Gain at 12 GHz ! Lg = 0.25 µm, Wg = 600 µm ! 100 % DC Tested ! Micro-X Metal Ceramic Package DESCRIPTION The TC3938 is a single-bias medium power ceramic micro-x packaged device with TC1304 PHEMT GaAs FETs, which is designed to provide the single power supply application. The device is suitable for oscillator, medium power amplifier in a wide range of commercial applications. All devices are 100% DC tested to assure consistent quality. ELECTRICAL SPECIFICATIONS (TA=25 °C) Symbol NF Ga Conditions Noise Figure at VDS = 5 V, f MIN = 12GHz Associated Gain at VDS = 5 V, f = 12GHz TYP MAX UNIT 1.0 1.5 dB 7 8 dB P1dB Output Power at 1dB Gain Compression Point, f = 12GHz VDS = 5 V 23 24 dBm GL Linear Power Gain, f = 12GHz VDS = 5 V 7.5 9 dB IDS Drain-Source Current at VDS = 5 V 100 mA Rth Thermal Resistance 65 °C/W ABSOLUTE MAXIMUM RATINGS (TA=25 °C) Symbol VDS Pin PT TCH TSTG Parameter Drain-Source Voltage RF Input Power, CW Continuous Dissipation Channel Temperature Storage Temperature Rating 7.0 V 24 dBm 600 mW 175 °C -65°C to +175°C HANDLING PRECAUTIONS: The user must operate in a clean, dry environment. Electrostatic Discharge (ESD) precautions should be observed at all stages of storage, handling, assembly, and testing. The static discharge must be less than 300V. TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County, Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 P1/3 TC3938 REV2_20070503 0.2 30 165 10.0 3.0 4.0 5.0 2.0 0.8 1.0 0.6 0.4 45 0. 4 0.2 S12 15 10.0 0 75 15 0 Swp Max 18 GHz 60 2. 0 0 3. 0 4. 0 5. 90 0.8 Mag Max 0.2 5 13 Swp Max 18GHz 0 12 6 0. (TA=25 °C) VDS = 5 V 105 1.0 TYPICAL SCATTERING PARAMETERS 0 -180 -105 1.0 2. 0 6 0. 0.8 -1 35 45 5 13 0. 4 30 Swp Max 18GHz 0 3. 0 4. 0 5. S22 0.2 15 10.0 2.0 0.8 1.0 0.6 0 0 0.4 10.0 165 0.2 15 0 Swp Min 2 GHz 3.0 4.0 5.0 60 75 90 105 0 12 Swp Max 18 GHz -1 20 -1.0 .0 -2 -3 .0 -4 -5..0 0 0.05 Per Div 0 -6 Swp Min 2GHz -75 -0.8 -3 0 50 -1 -90 -0 .6 -165 5 -4 .4 -0 Mag Max 15 -15 -10.0 S11 2 -0. -180 -15 S21 ANG -94.49 -132.76 -159.33 178.81 159.19 137.96 120.43 101.29 79.82 62.52 45.99 31.82 17.78 5.23 -5.34 -14.03 -21.90 MAG 10.0886 7.9964 6.3675 5.2844 4.5319 3.9849 3.5482 3.1807 2.8945 2.6062 2.3325 2.0896 1.8510 1.6631 1.5084 1.4072 1.3512 .0 -2 -1.0 -0.8 Swp Min 2 GHz S11 MAG 0.9899 0.8248 0.7094 0.6433 0.6088 0.5983 0.6083 0.6310 0.6684 0.7080 0.7424 0.7726 0.8012 0.8184 0.8211 0.8301 0.8276 -0 .6 -105 -1 20 -1 35 5 -4 0 -6 -75 FREQUENCY (GHz) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 -90 5 Per Div .4 -0 Swp Min 2GHz S12 ANG 119.50 87.63 65.63 47.81 32.28 14.58 0.68 -15.18 -31.62 -46.80 -61.83 -77.07 -91.82 -105.62 -119.26 -131.18 -142.98 MAG 0.0700 0.0719 0.0734 0.0804 0.0878 0.0959 0.1040 0.1073 0.1151 0.1150 0.1137 0.1117 0.1079 0.1056 0.1104 0.1153 0.1279 -3 .0 -4 -5..0 0 50 -1 2 -0. -3 0 S21 -10.0 -165 S22 ANG 26.92 14.36 9.99 5.95 2.90 -6.42 -13.59 -22.99 -33.31 -44.60 -55.33 -66.93 -76.66 -87.30 -100.70 -108.69 -122.32 MAG 0.4661 0.3077 0.2125 0.1541 0.1221 0.1029 0.1188 0.1560 0.2201 0.2815 0.3533 0.4023 0.4351 0.4492 0.4559 0.4420 0.4200 ANG -84.14 -113.14 -130.99 -148.68 -170.82 154.53 122.04 94.13 82.28 69.66 59.04 46.88 36.43 26.42 16.03 7.60 0.54 TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County, Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 P2/3 TC3938 REV2_20070503 OUTLINE DIMENSIONS (in inch) Tape & Reel Package Orientation (in mm) 0.5 +0.1/-0.0 2.0 +/- 0.05 A 0.30 +/- 0.05 4.0 1.75 0.5 MIN. 5.5 +/- 0.05 Bo 12.0 +/- 0.3 A1 Ko Section A-A 8.0 Ao A Ao = A1 = Bo = B1 = Ko = Standard Reel Size Standard Reel Quantity 7.0 mm 1.45 mm 7.0 mm 0.9 mm 2.0 mm 7” 1000 TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County, Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 P3/3