CV210-2A

CV210-2A Product Features • High dynamic range downconverter with integrated LO and IF amplifiers The Communications Edge TM Product Information Cellular-band Dual-Branch Downconverter Product Description The CV210-2A is a dual-channel high-linearity downconverter designed to meet the demanding performance, functionality, and cost goals of current and next generation mobile infrastructure basestations. It provides high dynamic range performance in a low profile leadfree/RoHS-compliant surface-mount leadless package that measures 6x6 mm square. It is ideally suited for high dynamic range receiver front ends using diversity receive channels. Functionality includes frequency conversion and IF amplification, while an integrated LO driver amplifier powers the passive mixer. The MCM is implemented with reliable and mature GaAs MESFET and InGaP HBT technology. Typical applications include frequency downconversion used in CDMA/GSM/TDMA, CDMA2000, W-CDMA, and EDGE 2.5G and 3G mobile base transceiver stations. Functional Diagram AMP1 INPUT IF1 OUTPUT 23 GND MIXER IF/RF1 GND 28 N/C 1 GND 2 BIAS 3 GND 4 N/C 5 GND 6 N/C 7 8 GND 9 MIXER IF/RF2 27 GND 26 25 24 • • • • • • • • • Dual channels for diversity +29.5 dBm Input IP3 +12 dBm Input P1dB RF: 800 – 960 MHz IF: 200 – 250 MHz +5V Single supply operation Pb-free 6mm 28-pin QFN package Low-side LO configuration Common footprint with other PCS/UMTS/cellular versions RF/IF IF Amp 1 GND 22 21 BIAS 20 GND 19 N/C 18 GND 17 LO 16 GND 15 N/C 14 GND LPF LO Driver Amp IF Amp 2 RF/IF 10 GND 11 AMP2 INPUT 12 GND 13 IF2 OUTPUT Top View Specifications (1) Parameters RF Frequency Range LO Frequency Range IF Center Frequency Range % Bandwidth around IF center frequency IF Test Frequency SSB Conversion Gain Gain Drift over Temp (-40 to 85° C) Input IP3 Input IP2 Input 1 dB Compression Point Noise Figure LO Input Drive Level LO-RF Isolation LO-IF Isolation Branch-Branch Isolation Return Loss: RF Port Return Loss: LO Port Return Loss: IF Port Operating Supply Voltage Supply Current Thermal Resistance Junction Temperature Units MHz MHz MHz % MHz dB dB dBm dBm dBm dB dBm dB dB dB dB dB dB V mA °C / W °C Min Typ 800 – 960 550 – 760 200 – 250 ±7.5 240 10 ±0.3 +29.5 +39 +12 10.2 0 18 32 45 20 20 12 +5 360 Max Comments See note 2 See note 3 12 1.5 Temp = 25 °C Referenced to 25 °C See note 4 See note 4 See note 4 See note 5 PLO = 0 dBm PLO = 0 dBm 8 -1.5 +25 +33 -2.5 +2.5 320 475 27 160 See note 6 1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm and IF = 240 MHz in a downconverting application at 25° C. 2. IF matching components affect the center IF frequency. Proper component values for other IF center frequencies than shown can be provided by emailing to applications.engineering@wj.com. 3. The IF bandwidth of the converter is defined as 15% around any center frequency in its operating IF frequency range. The bandwidth is determined with external components. Specifications are valid around the total ±7.5% bandwidth. ie. with a center frequency of 240 MHz, the specifications are valid from 240 ± 18 MHz. 4. Assumes the supply voltage = +5 V. IIP3 is measured with Δf = 1 MHz with RFin = -5 dBm / tone. 5. Assumes LO injection noise is filtered at the thermal noise floor, -174 dBm/Hz, at the RF, IF, and Image frequencies. 6. The maximum junction temperature ensures a minimum MTTF rating of 1 million hours of usage. Absolute Maximum Rating Parameter Operating Case Temperature Storage Temperature DC Voltage Junction Temperature -40 to +85 °C -55 to +150 °C +5.5 V +220 °C Rating Ordering Information Part No. CV210-2AF CV210-2APCB240 Description Cellular-band Dual-Branch Downconverter (lead-free/RoHS-compliant 6x6mm QFN package) Fully-Assembled Eval. Board, IF = 240MHz Operation of this device above any of these parameters may cause permanent damage. Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj..com Page 1 of 6 March 2006 CV210-2A AMP1 INPUT IF1 OUTPUT GND MIXER IF/RF1 GND 28 N/C 1 GND 2 BIAS 3 GND 4 N/C 5 GND 6 N/C 7 8 GND 9 MIXER IF/RF2 27 GND 26 25 24 23 GND 22 21 BIAS The Communications Edge TM Product Information Cellular-band Dual-Branch Downconverter Device Architecture / Application Circuit Information RF/IF IF Amp 1 Typical Downconverter Performance Chain Analysis (Each Branch) 20 GND 19 N/C 18 GND Stage LO Amp / MMIC Mixer IF Amplifier CV210-2A Gain (dB) -9 19 Input P1dB (dBm) Input IP3 (dBm) NF (dB) Current (mA) 85 150 385* Gain (dB) LPF LO Driver Amp IF Amp 2 17 LO 16 GND 15 N/C 11 30 9.3 2 22 1.8 Cumulative Performance Cumulative Performance Input Input NF P1dB IP3 (dB) (dBm) (dBm) -9 11 30 9.3 10 8 27.5 11 10 +8 +27.5 11 RF/IF 10 GND 11 AMP2 INPUT 12 GND 13 IF2 OUTPUT 14 GND * The 2nd branch includes another mixer and IF amplifier, which increases the total current consumption of the MCM to be 385 mA. Printed Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness CV210-2A: The application circuit can be broken up into three main functions as denoted in the colored dotted areas above: RF/IF diplexing (blue), IF amplifier matching (green), and dc biasing (purple). There are various placeholders for chip components in the circuit schematic so that a common PCB can be used for all WJ dual-branch converters. Further details are given in the Application Note located on the website titled “CV2xx Series - PWB Design Guidelines”. External Diplexer: In a downconversion application, the incoming RF signal impinges on the switching elements of the mixer; the interaction with these switches produces a signal at the IF frequency. The two signals (RF and IF) are directed to the appropriate ports by the external diplexer. A six-element diplexer is used in the circuit implementation. IF Amplifier Matching: The IF amplifier requires matching elements to optimize the performance of the amplifier to the desired IF center frequency. Since IF bandwidths are typically on the order of 5 to 10%, a simple two element matching network, in the form of either a high-pass or low-pass filter structure, is sufficient to match the MMIC IF amplifier over these narrow bandwidths. Proper component values for other IF center frequencies can be provided by emailing to applications.engineering@wj.com. DC biasing: DC bias must be provided for the LO and IF amplifiers in the converter. R1 sets the operating current for the last stage of the LO amplifier and is chosen to optimize the mixer LO drive level. Proper RF chokes and bypass capacitors are chosen for proper amplifier biasing at the intended frequency of operation. The “+5 V” dc bias should be supplied directly from a voltage regulator. Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj..com Page 2 of 6 March 2006 CV210-2A The Communications Edge TM Product Information Cellular-band Dual-Branch Downconverter Application Circuit: IF = 240 MHz (CV210-2APCB240) Bill of Materials Ref. Desig. R1 R2, R3, R4 R6, R7 C1, C5, C10, C15 C2, C8 C3, C9 C4, C11 C6, C12, C14 C7, C13 C16, C17 L1 L2, L6 L3, L7 L4, L8 L5, L9 L10, L11 C19, C20, C21, C22 U1 Component 11.3 Ω chip resistor 0 Ω chip resistor 2.2 Ω chip resistor 1000 pF chip capacitor 5.6 pF chip capacitor 12 pF chip capacitor 3.9 pF chip capacitor .01 μF chip capacitor 100 pF chip capacitor 8.2 pF chip capacitor 120 nH chip inductor 12 nH chip inductor 33 nH chip inductor 56 nH chip inductor 220 nH chip inductor 15 nH chip inductor Do Not Place CV210-2A WJ Converter Size 0805 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0805 0603 QFN PCB Layout Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj..com Page 3 of 6 March 2006 CV210-2A Conversion Gain vs IF Frequency LO = 0 dBm, LO = 595 MHz, low-side LO The Communications Edge TM Product Information Cellular-band Dual-Branch Downconverter CV210-2APCB240 Application Circuit Performance Plots Input IP3 vs IF Frequency LO = 0 dBm, LO = 595 MHz, low-side LO Input IP2 vs IF Frequency LO = 0 dBm, LO = 595 MHz, low-side LO Conversion Gain (dB) 12 Input IP3 (dBm) 11 10 9 8 7 215 -40° C +25° C +85° C 34 32 30 28 26 24 265 215 -40° C +25° C +85° C 42 Input IP2 (dBm) 40 38 36 34 32 265 215 -40° C +25° C +85° C 225 235 245 255 225 235 245 255 225 235 245 255 265 IF Frequency (MHz) Conversion Gain vs RF Frequency 25° C, IF = 240 MHz, low-side LO IF Frequency (MHz) Input IP3 vs RF Frequency 25° C, IF = 240 MHz, low-side LO IF Frequency (MHz) Input IP2 vs RF Frequency 25° C, IF = 240 MHz, low-side LO Conversion Gain (dB) 12 Input IP3 (dBm) 11 10 9 8 7 800 825 850 875 LO = -2.5 dBm LO = 0 dBm LO = 2.5 dBm 34 32 30 28 26 24 800 825 850 875 LO = -2.5 dBm LO = 0 dBm LO = 2.5 dBm 44 Input IP2 (dBm) 42 40 38 36 34 800 825 850 875 LO = -2.5 dBm LO = 0 dBm LO = 2.5 dBm 900 925 900 925 900 925 RF Frequency (MHz) Conversion Gain vs RF Frequency LO = 0 dBm, IF = 240 MHz, low-side LO RF Frequency (MHz) Input IP3 vs RF Frequency LO = 0 dBm, IF = 240 MHz, low-side LO RF Frequency (MHz) Input IP2 vs RF Frequency LO = 0 dBm, IF = 240 MHz, low-side LO Conversion Gain (dB) 12 Input IP3 (dBm) 11 10 9 8 7 800 -40° C +25° C +85° C 34 32 30 28 26 24 925 800 -40° C +25° C +85° C 42 Input IP2 (dBm) 40 38 36 34 32 925 800 -40° C +25° C +85° C 825 850 875 900 825 850 875 900 825 850 875 900 925 RF Frequency (MHz) Conversion Gain vs RF Frequency 25° C, LO = 0 dBm, IF = 240 MHz, low-side LO RF Frequency (MHz) Input IP3 vs RF Frequency 25° C, LO = 0 dBm, IF = 240 MHz, low-side LO RF Frequency (MHz) Input IP2 vs RF Frequency 25° C, LO = 0 dBm, IF = 240 MHz, low-side LO 12 Conversion Gain (dB) Input IP3 (dBm) 11 10 9 8 7 800 825 850 875 34 32 30 28 26 24 800 825 850 875 Input IP2 (dBm) 42 40 38 36 34 32 800 825 850 875 Vdd = 4.9 V Vdd = 5.0 V Vdd = 5.1 V 900 925 Vdd = 4.9 V Vdd = 5.0 V Vdd = 5.1 V 900 925 Vdd = 4.9 V Vdd = 5.0 V Vdd = 5.1 V 900 925 RF Frequency (MHz) RF Frequency (MHz) RF Frequency (MHz) Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj..com Page 4 of 6 March 2006 CV210-2A L-R Isolation vs LO Frequency Referenced with LO = 0 dBm The Communications Edge TM Product Information Cellular-band Dual-Branch Downconverter CV210-2APCB240 Application Circuit Performance Plots (cont’d) L-I Isolation vs LO Frequency Referenced with LO = 0 dBm Branch-Branch Isolation vs RF Frequency 25° C 30 L-R Isolation (dB) 25 20 15 10 5 500 -40° C +25° C +85° C 45 L-I Isolation (dB) Isolation (dB) -40° C +25° C +85° C 50 40 30 20 10 0 750 800 825 850 875 900 925 40 35 30 25 20 550 600 650 700 750 500 550 600 650 700 LO Frequency (MHz) RF Return Loss vs RF Frequency 25° C LO Frequency (MHz) IF Return Loss vs IF Frequency 25° C RF Frequency (MHz) LO Return Loss vs LO Frequency 25° C 0 Return Loss (dB) Return Loss (dB) 5 10 15 20 25 30 800 825 850 875 900 925 0 5 10 15 20 25 30 215 225 235 245 255 265 Return Loss (dB) 0 5 10 15 20 25 30 500 550 600 650 700 750 RF Frequency (MHz) Noise Figure vs Temperature RF = 835 MHz, IF = 240 MHz, LO = 0 dBm @595 MHz IF Frequency (MHz) Input P1dB vs Temperature RF = 835 MHz, IF = 240 MHz, LO = 0 dBm @595 MHz LO Frequency (MHz) 14 12 10 8 6 4 -40 -20 0 20 40 60 80 14 Input P1dB (dBm) 12 10 8 6 4 -40 -20 0 20 40 60 80 Noise Figure (dB) Temperature (°C) Temperature (°C) Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj..com Page 5 of 6 March 2006 CV210-2A The Communications Edge TM Product Information Cellular-band Dual-Branch Downconverter This package is lead-free/RoHS-compliant. It is compatible with both lead-free (maximum 260°C reflow temperature) and leaded (maximum 245°C reflow temperature) soldering processes. The plating material on the pins is annealed matte tin over copper. CV210-2AF Mechanical Information Outline Drawing Product Marking The component will be lasermarked with a “CV210-2AF” product label with an alphanumeric lot code on the top surface of the package. Tape and reel specifications for this part will be located on the website in the “Application Notes” section. ESD / MSL Information ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard: Class 1B Passes 500V to