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| RF2044 4 Typical 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 * Broadband Test Equipment GENERAL PURPOSE AMPLIFIER Product Description The RF2044 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 DC biasing elements to operate as specified. With a goal of enhanced reliability, the extremely small Micro-X ceramic package offers significantly lower thermal resistance than similar size plastic packages. 45 + 1 4 0.055 + 0.005 0.020 + 0.002 0.040 + 0.002 0.070 sq. NOTES: 1. Shaded lead is pin 1. 2. Darkened areas are metallization. 0.200 sq. Typ Optimum Technology Matching(R) Applied Si BJT Si Bi-CMOS u Package Style: Micro-X Ceramic GaAs HBT SiGe HBT GaAs MESFET Si CMOS Features * DC to >6000MHz Operation * Internally matched Input and Output * 20dB Small Signal Gain * 4.0dB Noise Figure GND 4 MARKING - C4 * 50mW Linear Output Power * Single Positive Power Supply RF IN 1 3 RF OUT Ordering Information 2 GND RF2044 RF204X PCBA General Purpose Amplifier Fully Assembled Evaluation Board Functional Block Diagram RF Micro Devices, Inc. 7625 Thorndike Road Greensboro, NC 27409, USA Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com Rev A9 010110 4-7 GENERAL PURPOSE AMPLIFIERS RF2044 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. RF Micro Devices believes the furnished information is correct and accurate at the time of this printing. However, RF Micro Devices reserves the right to make changes to its products without notice. RF Micro Devices does not assume responsibility for the use of the described product(s). Parameter Overall Frequency Range 3dB Bandwidth Gain Specification Min. Typ. Max. DC to >6000 3 20.4 20.3 19.0 17.5 16.6 14.3 0.7 4.1 <1.4:1 <1.7:1 <1.2:1 <1.8:1 +33.5 +18.5 22.3 188 143 Unit MHz GHz dB dB dB dB Condition T=25 C, ICC =65mA 4 GENERAL PURPOSE AMPLIFIERS 19.3 16.5 21.3 Gain Flatness Noise Figure Input VSWR Output VSWR Output IP3 Output P1dB Reverse Isolation +30.0 dB dB dBm dBm dB C/W C Thermal ThetaJC Maximum Measured Junction Temperature at DC Bias Conditions Mean Time Between Failures Freq=100MHz Freq=850MHz Freq=2000MHz Freq=3000MHz Freq=4000MHz Freq=6000MHz 100MHz to 2000MHz Freq=1000MHz In a 50 system, DC to 5000MHz In a 50 system, 5000MHz to 6000MHz In a 50 system, DC to 3000MHz In a 50 system, 3000MHz to 6000MHz Freq=1000MHz Freq=1000MHz Freq=1000MHz ICC =65mA, PDISS =300mW TAMB =+85C TAMB =+85C TAMB =+25C TAMB =-40C With 22 bias resistor At pin 3 with ICC =65mA 1.3x103 3.1x105 1.6x109 years years years 5.3 80 V mA Power Supply Device Operating Voltage Operating Current 4.3 60 4.8 65 4-8 Rev A9 010110 RF2044 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. Keep traces physically short and connect immediately to ground plane for best performance. 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 Care should also be taken in the resistor selection to ensure that the current into the part never exceeds 90mA over the planned operating temperature. This means that a resistor between the supply and this pin is always required, even if a supply near 4.9V is available, to provide DC feedback to prevent thermal runaway. 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. Same as pin 2. RF IN 4 GENERAL PURPOSE AMPLIFIERS 4 GND Application Schematic VCC 10 n F 22 pF 4 47 nH 22 pF RF IN 1 3 RBIAS RF OUT 22 pF 2 Rev A9 010110 4-9 RF2044 Evaluation Board Schematic (Download Bill of Materials from www.rfmd.com.) P1 P1-1 1 2 NC 3 4 VCC GND Drawing 204X400R1 22 L1 100 nH 1 3 C2 100 pF C3 100 pF C4 1 F VCC P1-1 4 GENERAL PURPOSE AMPLIFIERS RF IN J1 50 strip C1 100 pF 50 strip RF OUT J2 2 Evaluation Board Layout Board Size 1.195" x 1.000" 4-10 Rev A9 010110 RF2044 21.00 Gain versus Frequency Across Temperature ICC = 65 mA -40 C 20.00 Output P1dB versus Frequency Across Temperature ICC = 65 mA - 40 C 20.00 26 C 85 C 19.00 26 C 85 C 19.00 18.00 18.00 Output Power (dBm) 17.00 Gain (dB) 17.00 16.00 16.00 15.00 15.00 14.00 4 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 14.00 13.00 13.00 0.10 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 12.00 0.10 Frequency (GHz) Frequency (GHz) 36.00 Output IP3 versus Frequency Across Temperature ICC = 65 mA -40 C 10.00 Noise Figure versus Frequency Across Temperature ICC = 65 mA -40 C 34.00 26 C 85 C 9.00 26 C 85 C 3rd Order Intercept Power (dBm) 32.00 8.00 30.00 Noise Figure (dB) 7.00 28.00 6.00 26.00 5.00 24.00 4.00 22.00 3.00 20.00 0.10 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 2.00 0.10 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 Frequency (GHz) Frequency (GHz) 2.00 Input VSWR versus Frequency Across Temperature ICC = 65 mA -40 C 26 C 85 C 2.00 Output VSWR versus Frequency Across Temperature ICC = 65 mA -40 C 26 C 85 C VSWR 1.50 VSWR 1.50 1.00 0.10 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 1.00 0.10 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 Frequency (GHz) Frequency (GHz) Rev A9 010110 4-11 GENERAL PURPOSE AMPLIFIERS RF2044 23.00 Reverse Isolation versus Frequency Across Temperature ICC = 65 mA -40 C 26 C 22.00 85 C Reverse Isolation (dB) 21.00 20.00 19.00 4 GENERAL PURPOSE AMPLIFIERS 18.00 17.00 0.10 0.69 1.28 1.87 2.46 3.05 3.64 4.23 4.82 5.41 6.00 Frequency (GHz) 50 Ohm, 65 mA 1.0 0. 6 Swp Max 6GHz 2. 0 0.8 S[2,2] 10.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 4.0 5.0 0 .4 -0 - 0. 6 .0 -2 Swp Min 3e-05GHz -0.8 4-12 -1.0 -5.0 -0.2 -10.0 -4. 0 -3 .0 0. 4 3.0 4.0 5.0 0.2 S[1,1] 10.0 Rev A9 010110 |
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