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| Preliminary RF2640 3V 900MHZ UPCONVERTER/ DRIVER AMPLIFIER 6 Typical Applications * TDMA/AMPS Cellular Systems * CDMA/AMPS Cellular Systems * Portable Battery Powered Equipment Product Description The RF2640 is a complete upconverter and power amplifier driver designed for TDMA and CDMA applications. The device features balanced IF inputs, single-ended LO input and RF output for ease of interface. Packaged in an industry standard MSOP-10 package, the device provides a low-cost solution while easing board space limitations. 0.192 0.038 0.006 0.008 0.118 6 0.004 0.002 0.0197 0.0004 0.118 0.014 TYP 6.0 0.0 0.021 0.004 0.006 0.002 Optimum Technology Matching(R) Applied Package Style: MSOP-10 uSi Bi-CMOS Si BJT GaAs HBT SiGe HBT GaAs MESFET Si CMOS Features * Single Supply 3.0V Operation * +8.5dBm Output P1dB * +19dBm Output IP3 * Power Down Control * 23dB Conversion Gain IF+ 1 IF- 2 GND1 3 LO 4 GND2 5 10 VCC 9 PD 8 GND3 7 RF GND 6 RF OUT Ordering Information RF2640 RF2640 PCBA 3V 900MHz Upconverter/ Driver Amplifier Fully Assembled Evaluation Board Functional Block Diagram RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com Rev A3 010717 6-37 MIXERS RF2640 Absolute Maximum Ratings Parameter Supply Voltage Input RF Power Operating Ambient Temperature Storage Temperature Preliminary Rating -0.5 to +3.6 +3 -30 to +80 -30 to +150 Unit VDC 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 RF Output Frequency Range Conversion Gain Noise Figure Output P1dB Output IP3 Output VSWR Specification Min. Typ. Max. Unit Condition T=25C, VCC =2.7V, RF Out=836MHz, LO=1016MHz @ -8dBm, IF=180MHz @ -30dBm 824 22 6 MIXERS +17 23.5 12 +8.5 +18.5 1.25:1 180 849 26 MHz dB dB dBm dBm Single Sideband 50 MHz dBm dB MHz dBm dBm IF Input IF Frequency IF Input Level Single-Ended Input Impedance IF to RF Isolation -60 70 45 1004 -10 1029 -6 -18 -15 LO Input LO Frequency Range LO Level LO to RF Output Leakage LO Input VSWR -8 1.25:1 2.7 45 0.0 1.2 3.3 65 10 0.6 1.8 0.1 V mA A V V mA IF Input<-24dBm 50 Power Supply Voltage Current Consumption Power Down Voltage Power Down Current Device is active (ON); VPD =1.8V Device is inactive (OFF); VPD =0.6V Device is inactive (OFF); VPD =0.6V Device is active (ON); VPD =1.8V Device is active (ON); VPD =1.8V 6-38 Rev A3 010717 Preliminary Pin 1 Function IF+ Description Balanced IF input pin. This pin is internally DC-biased and should be DC-blocked if connected to a device with a DC level present. For singleended input operation, one pin is used as an input and the other IF input is AC-coupled to ground. The single-ended input impedance is 50. Same as pin 1, except complementary input. Ground connection. For best performance, keep traces physically short and connect immediately to ground plane. Single-ended LO input pin. This pin is internally DC-biased and should be DC-blocked if connected to a device with a DC level present. The single-ended input impedance is 50. Same as pin 3, except complementary input. RF Output Pin. The output impedance is 50. This pin requires a small inductance to ground to optimize the gain and third order intercept point. See Evaluation Board Layout. The trace length on the board is approximately 65mils. Same as pin 7. Power down control. When logic "high" (between 1.2V and 1.8V) the device is active and all circuits are operating. When logic "low" (between 0.0V and 0.6V) the device is inactive and all circuits are turned off. Supply Voltage pin. External bypassing is required. External RF, LO, and IF bypassing is required. The trace length between the pin and the bypass capacitors should be minimized. The ground side of the bypass capacitors should connect immediately to ground plane. RF2640 Interface Schematic 2/26/1997 2 3 4 5 6 7 8 9 IFGND1 LO+ GND2 RF OUT RF GND GND3 PD 6 MIXERS VCC PD 50 strip J3 RF OUT VCC 10 VCC Evaluation Board Schematic RF=836MHz, LO=1016MHz (Download Bill of Materials from www.rfmd.com.) 50 strip C1 1 nF C2 1 nF 1 2 C3 22 pF 3 4 5 10 9 8 7 6 L1 12 nH P1 P1-1 1 2 P1-3 3 PD GND VCC C4 1 nF C3 22 pF C6 1 nF J1 IF IN J2 LO IN 50 strip Rev A3 010717 6-39 RF2640 Evaluation Board Layout Board Size 2.0" x 2.0" Board Thickness 0.031", Board Material FR-4 Preliminary 6 MIXERS 6-40 Rev A3 010717 Preliminary Gain versus VCC 26.0 RF2640 Noise Figure versus VCC 13.5 LO @ -8 dBm LO @ -8 dBm 25.5 13.0 24.5 Gain, -30 Gain, 26 24.0 Gain, 80 Noise Figure (dB) 25.0 12.5 Gain (dB) 12.0 NF, -30 NF, 26 11.5 NF, 80 23.5 11.0 23.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3 10.5 2.7 2.8 2.9 3.0 3.1 3.2 3.3 VCC (V) VCC (V) OIP3 versus VCC 23.0 22.5 22.0 21.5 21.0 20.5 20.0 19.5 OIP3, -30 19.0 18.5 2.7 2.8 2.9 3.0 3.1 3.2 3.3 OIP3, 26 OIP3, 80 9.2 2.7 2.8 9.4 OP1dB versus VCC 11.0 10.8 10.6 10.4 6 MIXERS OP1dB, -30 OP1dB, 26 OP1dB, 80 LO @ -8 dBm LO @ -8 dBm OP1dB (dBm) OIP3 (dBm) 10.2 10.0 9.8 9.6 2.9 3.0 3.1 3.2 3.3 VCC (V) VCC (V) ICC versus VCC 64.0 63.0 62.0 61.0 60.0 LO @ -8 dBm ICC (mA) 59.0 58.0 57.0 56.0 55.0 54.0 2.7 2.8 2.9 3.0 3.1 3.2 Icc, -30 Icc, 26 Icc, 80 3.3 VCC (V) Rev A3 010717 6-41 RF2640 Gain versus LO PIN 26.0 Preliminary Noise Figure versus LO PIN 14.0 VCC = 2.7 V VCC = 2.7 V 25.5 13.5 13.0 Noise Figure (dB) 25.0 NF, -30 12.5 NF, 26 NF, 80 12.0 Gain (dB) 24.5 Gain, -30 Gain, 26 24.0 Gain, 80 11.5 23.5 11.0 23.0 -10.0 -9.5 -9.0 -8.5 -8.0 -7.5 -7.0 -6.5 -6.0 10.5 -10.0 -9.5 -9.0 -8.5 -8.0 -7.5 -7.0 -6.5 -6.0 6 21.0 LO PIN (dBm) LO PIN (dBm) OIP3 versus LO PIN VCC = 2.7 V 10.1 10.0 20.5 9.9 20.0 9.8 OIP3, -30 OIP3, 26 19.5 OIP3, 80 OP1dB versus LO PIN VCC = 2.7 V MIXERS OP1dB (dBm) OIP3 (dBm) 9.7 9.6 9.5 9.4 OP1dB, -30 OP1dB, 26 OP1dB, 80 19.0 18.5 9.3 18.0 -10.0 9.2 -10.0 -9.5 -9.0 -8.5 -8.0 -7.5 -7.0 -6.5 -6.0 -9.5 -9.0 -8.5 -8.0 -7.5 -7.0 -6.5 -6.0 LO PIN (dBm) LO PIN (dBm) 6-42 Rev A3 010717 |
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