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RF3374General Purpose Amplifier RF3374 GENERAL PURPOSE AMPLIFIER RoHS Compliant & Pb-Free Product Package Style: SOT89 Features DC to >6000MHz Operation Internally Matched Input and Output 20dB Small Signal Gain +32dBm Output IP3 +18dBm Output Power 1 RF IN GND 4 2 GND 3 RF OUT GaAs pHEMT Si CMOS Si BJT Applications Basestation Applications Broadband, Low-Noise Gain Blocks IF or RF Buffer Amplifiers Driver Stage for Power Amplifiers Final PA for Low-Power Applications High Reliability Applications Functional Block Diagram Product Description The RF3374 is a general purpose, low-cost RF amplifier IC. The device is manufactured on an advanced Gallium Arsenide Heterojunction Bipolar Transistor (HBT) process, and has been designed for use as an easily-cascadable 50 gain block. Applications include IF and RF amplification in wireless voice and data communication products operating in frequency bands up to 6000MHz. The device is self-contained with 50 input and output impedances and requires only two external DCbiasing elements to operate as specified. Ordering Information RF3374 RF3374PCBA-410 General Purpose Amplifier Fully Assembled Evaluation Board Optimum Technology Matching(R) Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaN HEMT RF MICRO DEVICES(R), RFMD(R), Optimum Technology Matching(R), Enabling Wireless ConnectivityTM, PowerStar(R), POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. (c)2006, RF Micro Devices, Inc. Rev A8 DS050524 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 1 of 8 RF3374 Absolute Maximum Ratings Parameter Input RF Power Operating Ambient Temperature Storage Temperature Rating +13 -40 to +85 -60 to +150 Unit dBm C C Caution! ESD sensitive device. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. Parameter Overall Frequency Range 3dB Bandwidth Gain Min. Specification Typ. DC to >6000 3 Max. Unit MHz GHz dB Freq=500MHz Freq=1000MHz Freq=2000MHz Freq=3000MHz Freq=4000MHz Freq=6000MHz dB Freq=2000MHz Condition T=25 C, ICC =65mA (See Note 1.) 18.7 18.5 17.0 20.5 20.2 18.9 17.6 16.2 13.5 21.0 22.0 dB dB dB Noise Figure Input VSWR Output VSWR Output IP3 Output P1dB Reverse Isolation +29.0 3.5 <1.5:1 <2:1 <1.6:1 <2:1 +32.0 +17.5 22.0 170 132 In a 50 system, 500MHz to 3500MHz In a 50 system, 3500MHz to 5000MHz In a 50 system, 500MHz to 3000MHz In a 50 system, 3000MHz to 5000MHz dBm dBm dB C/W C Freq=2000MHz Freq=2000MHz Freq=2000MHz ICC =65mA, PDISS =274mW. (See Note 3.) VPIN =4.2V TCASE =+85C TCASE =+85C With 22 bias resistor At pin 8 with ICC =65mA at +25C At evaluation board connectors, ICC =65mA See Note 2. Thermal ThetaJC Maximum Measured Junction Temperature at DC Bias Conditions Mean Time To Failure 3050 4.50 5.95 65 4.55 6.30 80 years V V mA Power Supply Device Operating Voltage Operating Current Note 1: All specification and characterization data has been gathered on standard FR-4 evaluation boards. These evaluation boards are not optimized for frequencies above 2.5GHz. Performance above 2.5GHz may improve if a high performance PCB is used. Note 2: The RF3374 must be operated at or below 80mA in order to achieve the thermal performance listed above. While the RF3374 may be operated at higher bias currents, 65mA is the recommended bias to ensure the highest possible reliability and electrical performance. Note 3: Because of process variations from part to part, the current resulting from a fixed bias voltage will vary. As a result, caution should be used in designing fixed voltage bias circuits to ensure the worst case bias current does not exceed 80mA over all intended operating conditions. 2 of 8 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A8 DS050524 RF3374 Pin 1 Function RF IN Description RF input pin. This pin is NOT internally DC blocked. A DC blocking capacitor, suitable for the frequency of operation, should be used in most applications. DC coupling of the input is not allowed, because this will override the internal feedback loop and cause temperature instability. Ground connection. RF output and bias pin. Biasing is accomplished with an external series resistor and choke inductor to VCC. The resistor is selected to set the DC current into this pin to a desired level. The resistor value is determined by the following equation: Interface Schematic 2 3 GND RF OUT RF OUT ( V SUPPLY - V DEVICE ) R = -----------------------------------------------------I CC Because DC is present on this pin, a DC blocking capacitor, suitable for the frequency of operation, should be used in most applications. The supply side of the bias network should also be well bypassed. Care should also be taken in the resistor selection to ensure that the current into the part never exceeds 80mA over the planned operating temperature. Ground connection. RF IN 4 GND Package Drawing 1.04 0.80 0.50 0.30 1.60 1.40 3.10 2.90 0.48 0.36 2 PL 4.60 4.40 2.60 2.40 1.80 1.45 1.75 1.40 Dimensions in mm. Shaded lead is pin 1. 0.43 0.38 0.53 0.41 Rev A8 DS050524 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 3 of 8 RF3374 Application Schematic VCC 4 22 100 pF + 1 F 100 pF RF IN 1 2 3 100 nH RF OUT 100 pF Evaluation Board Schematic (Download Bill of Materials from www.rfmd.com.) P1 P1-1 1 2 3 CON3 VCC1 GND 4 R1 22 C1 100 pF L1 100 nH C2 100 pF C3 100 pF + C4 1 F VCC J1 RF IN 50 strip 1 2 3 50 strip J2 RF OUT 337x410, r.1 4 of 8 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A8 DS050524 RF3374 Evaluation Board Layout Board Size 1.195" x 1.000" Board Thickness 0.033", Board Material FR-4 Rev A8 DS050524 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 5 of 8 RF3374 Gain versus Frequency Across Temperature 25.0 Output P1dB versus Frequency Across Temperature 25.0 (ICC = 65 mA) (ICC = 65 mA) 20.0 20.0 Gain (dB) 15.0 Output Power (dBm) 15.0 10.0 10.0 5.0 -40C +25C +85C 5.0 -40C +25C +85C 0.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 0.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 Frequency (MHz) Frequency (MHz) Output IP3 versus Frequency Across Temperature 35.0 Noise Figure versus Frequency Across Temperature 5.0 (ICC = 65 mA) (ICC = 65 mA) 30.0 4.0 OIP3 (dBm) 25.0 Noise Figure (dB) -40C +25C +85C 3.0 20.0 2.0 15.0 1.0 -40C +25C +85C 10.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 0.0 0.0 500.0 1000.0 1500.0 2000.0 2500.0 3000.0 3500.0 Frequency (MHz) Frequency (MHz) Input VSWR versus Frequency Across Temperature 3.0 Output VSWR versus Frequency Across Temperature 2.5 (ICC = 65 mA) (ICC = 65 mA) 2.5 2.0 VSWR 2.0 VSWR 1.5 1.5 -40C +25C +85C 1.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 1.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 -40C +25C +85C Frequency (MHz) Frequency (MHz) 6 of 8 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A8 DS050524 RF3374 0.0 Reverse Isolation versus Frequency Across Temperature (ICC = 65 mA) -40C +25C Junction Temperature versus Power Dissipated 160.000 (TAMBIENT = +85C) -5.0 +85C 150.000 -10.0 Junction Temperature (C) 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 Reverse Isolation (dB) 140.000 -15.0 130.000 -20.0 120.000 -25.0 110.000 -30.0 100.000 0.225 0.250 0.275 0.300 0.325 0.350 Frequency (MHz) Power Dissipated (W) 0.50 0.45 0.40 Power Dissipation versus Device Voltage Across Temperature (TAMBIENT = +85C) Bias Current versus Supply Voltage Across Temperature 100.0 (At evaluation board connector, RBIAS = 22) 90.0 80.0 Power Dissipation (W) 0.35 0.30 70.0 ICC (mA) 0.25 0.20 0.15 60.0 50.0 40.0 0.10 0.05 0.00 4.10 4.15 4.20 4.25 4.30 4.35 4.40 30.0 -40C +25C +85C 20.0 5.0 5.2 5.4 5.6 5.8 6.0 6.2 6.4 6.6 6.8 7.0 VPIN (V) VCC (V) 100.0 90.0 80.0 70.0 Bias Current versus Devices Voltage Across Temperature (At pin 3) ICC (mA) 60.0 50.0 40.0 30.0 -40C 20.0 10.0 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 +25C +85C VPIN (V) Rev A8 DS050524 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 7 of 8 RF3374 8 of 8 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A8 DS050524 |
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