TRANSCOM TC3538 Preliminary May 2002 5 ~ 6 GHz 1W MMIC FEATURES • • • • • • P-1 dB: 30 dBm Small Signal Gain: 21 dB Power Added Efficiency: 25 % IP3: 39 dBm Matched to 50 Ω operation Bias condition: 600 mA @ 7 V DESCRIPTION The TC3538 is a 2 stage PHEMT MMIC power amplifier. It is designed for use in low cost, high volume, 5 - 6 GHz band applications. The MMIC is matched to 50Ω operation. It provides a typical gain of 21 dB and P1dB power of more than 30 dBm. Typical bias condition is 7V at 600 mA. The MMIC is packaged in a low-cost surface-mountable plastic package. APPLICATIONS • Wireless Internet Access • Wireless Local Loop • Two way radio ELECTRICAL SPECIFICATIONS (Ta = 25 °C) SYMBOL FREQ SSG GOF GOF P-1 dB P-3 dB IP3 VSWR, IN VDD Vg IDD IDP-1 ηa DESCRIPTION Frequency Range Small Signal Gain Small Signal Gain Flatness @5.7 ~ 5.9 GHz Small Signal Gain Flatness @5 ~ 6 GHz Output Power at 1 dB Gain Compression Output Power at 3 dB Gain Compression Third Order Intercept Point Input VSWR Supply Voltage Gate Voltage Current Supply Without RF Current Supply @ Pout=P-1 dB Power Added Efficiency MIN 5 19 29 30 37 TYP 21 ± 0.5 ±1 30 31 39 MAX 6 UNITS GHz dB ± 0.75 ±2 dBm dBm dBm 2:1 -0.6 7 -1.0 600 600 25 -1.5 650 Volt Volt mA mA % TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science- Based Industrial Park, Shanhua Jen, Tainan County, Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 1 TRANSCOM TC3538 TEST CIRCUITS Evaluation Board Schematic Vg C3 R1 C1 C2 5 0 ohm NC NC NC Line NC NC TC3538 NC NC NC 5 0 ohm Line C4 - + C5 Vd EVALUATION BOARD DXF file of the PCB can be downloaded from our web-site at Vg www.transcominc.com.tw RF IN RF OUT PCB Material: RO4003 1156 ER = 3.38 Thickness = 20 mil Unit: mil Vd 996 TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Shanhua Jen, Tainan County Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 2 TRANSCOM TC3538 Evaluation Board Parts List Part Type Capacitor Capacitor Capacitor Resistor Reference Designator C1, C2 C3, C4 C5 R1 Description 1000pF 0603 0.1 uF 0603 4.7uF Tantalum Cap. 200 ohm 0603 Manufacturer Murata Murata Part Number GRM39C0G102J50V GRM39Y5V104Z25V CONNECTION DIAGRAM AND PIN DESCRIPTIONS RF IN 50 ohm LINE Vd 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 Pin # 4, 5 7, 8 15, 16 12, 13 Others Vg 50 ohm LINE Name RF IN Vd Vg RF OUT NC Description RF input (internally DC blocked) MMIC drain bias MMIC gate bias RF output (internally DC blocked) No Connection RF OUT TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science- Based Industrial Park, Shanhua Jen, Tainan County, Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 3 TRANSCOM TC3538 PHYSICAL DEMENSIONS (Unit: inches) DIMENSION α A A1 A2 b C D E E1 e L M O P Q R S T U y α MINIMUM 0.000 0.031 0.007 0.004 0.193 NOMINAL 0.039 0.197 0.252 0.173 0.026 0.024 0.095 0.095 0.115 0.041 0.039 0.010 0.030 0.033 0.169 0.018 0° MAXIMUM 0.045 0.004 0.041 0.012 0.008 0.201 0.177 0.030 0.004 8° O Dimensions in inches TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Shanhua Jen, Tainan County Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 4