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CV110-1AF

CV110-1AF

  • 厂商:

    WJCI

  • 封装:

  • 描述:

    CV110-1AF - Cellular-band High Linearity Downconverter - WJ Communication. Inc.

  • 数据手册
  • 价格&库存
CV110-1AF 数据手册
CV110-1A Cellular-band High Linearity Downconverter Product Features • High dynamic range downconverter with integrated LO, IF, & RF amps Product Description The CV110-1A is a high linearity downconverter designed to meet the demanding issues for performance, functionality, and cost goals of current and next generation mobile infrastructure. It provides high dynamic range performance in a low profile surfacemount leadless package that measures 6 x 6 mm square. Functionality includes RF amplification, 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 for cellular frequency bands. Functional Diagram RF IN GND GND IF THRU GND 28 RF OUT 1 GND 2 N/C 3 GND 4 IF THRU 5 GND 6 RF/IF 7 27 26 25 24 23 22 21 IF OUT GND 19 N/C 18 GND 17 BIAS 16 GND 15 LO IN 13 LO OUT 14 GND IF IN • • • • • • • • • RF: 800 – 915 MHz IF: 65 – 120 MHz +37 dBm Output IP3 +20 dBm Output P1dB 5 dB Noise Figure +5V Single supply operation Pb-free 6mm 28-pin QFN package Low-side LO configuration Common footprint with other PCS/UMTS versions RF Amp IF Amp 20 GND IF Feedthru Path LO Driver Amp RF/IF LO 8 GND 9 N/C 10 GND 11 MIXLO 12 GND 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) Output IP3 Output IP2 Output 1dB Compression Point Noise Figure LO Input Drive Level LO-RF Isolation LO-IF Isolation Return Loss: RF Port Return Loss: LO Port Return Loss: IF Port Operating Supply Voltage Supply Current FIT Rating Thermal Resistance Junction Temperature Units MHz MHz MHz % MHz dB dB dBm dBm dBm dB dBm dB dB dB dB dB V mA failures /1E9 hrs °C / W °C Min Typ 800 – 915 680 – 850 65 – 120 ±7.5 75 22 ±1.5 +37 +45 +20 5 0 60 40 15 10 15 +5 360 Max Comments See note 2 See note 3 Temp = 25 °C Referenced to +25 °C See note 4 See note 4 See note 5 -2.5 +2.5 See note 6 PLO = 0 dBm +4.9 290 +5.1 480 72.1 27 160 @ 70o C ambient, 90% confidence See note 7 1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm in a downconverting application over the operating case temperature range. 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 80 ± 6 MHz. 4. Assumes the supply voltage = +5 V. OIP3 is measured with ∆f = 1 MHz with IFout = 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. L-R Isolation is referenced to an LO injection of 0 dBm. The L-R performance shown also includes the isolation due to an external SAW filter between the RF amplifier and mixer. 7. 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 RF Input (continuous) Rating -40 to +85 °C -55 to +125 °C +6 V +220 °C +2 dBm Ordering Information Part No. CV110-1AF CV110-1APCB75 Description Cellular-band High Linearity Downconverter (lead-free/RoHS-compliant 6x6mm QFN package) Fully Assembled Eval. Board, IF = 75MHz 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 4 April 2007 CV110-1A Cellular-band High Linearity Downconverter Device Architecture / Application Circuit Information RF IN GND GND IF THRU GND 28 RF OUT 1 GND 2 N/C 3 GND 4 IF THRU 5 GND 6 RF/IF 7 27 26 25 24 IF IN 23 22 21 IF OUT GND Typical Downconverter Performance Chain Analysis Stage RF Amplifier RF Filter MMIC Mixer IF Amplifier CV110-1A Gain (dB) Output P1dB (dBm) Output IP3 (dBm) NF (dB) Current (mA) 150 --60 150 360 Gain (dB) Cumulative Performance Output Output NF P1dB IP3 (dB) (dBm) (dBm) 13.5 21.0 40.0 3.5 12.0 19.5 38.5 3.5 3.0 6.1 22.1 4.5 22.0 20.3 37.0 5.0 22.0 20.3 37.0 5.0 RF Amp IF Amp 20 GND 19 N/C IF Feedthru Path 18 GND LO Driver Amp 17 BIAS 16 GND RF/IF LO 8 GND 9 N/C 10 GND 11 MIXLO 12 GND 13 LO OUT 14 GND 15 LO IN 13.5 21 40.0 3.5 -1.5 ----1.5 -9.0 8 23.0 9.8 19.0 22 39.1 2.5 Cumulative Performance RF Amp Matching RF Amp Bias IF Amp Matching IF Amp Bias RF Bandpass Filter / Attenuator Pad Printed Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness LO Amp Bias LO Amp Bias RF / IF Diplexer (used for cellular versions only) CV110-1A: The application circuit can be broken up into four main functions as denoted in the colored dotted areas above: RF/IF diplexing (purple), amplifier matching (green), filtering (red), and dc biasing (blue). There are various placeholders for chip components in the circuit schematic so that a common PCB can be used for all WJ single-branch converters. Additional placeholders for other optional functions such as filtering are also included. RF / IF Amplifier Matching: The RF amplifier requires a shunt matching element for optimal gain and input return loss performance. 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. RF Bandpass Filtering: Bandpass filtering is recommended to reject the image frequencies and achieve the best noise figure performance with the downconverter. The bandpass filter, implemented with a SAW filter on the application circuit, allows for the suppression of noise from the image frequency. It is permissible to not use a filter and use a 2 dB pad with R6, R7, and R16 instead with slightly degraded noise figure performance. Standard WJ evaluation boards will have the 2 dB pad in place. 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 four-element diplexer is used in the circuit implementation (L8 and C2 are not used). Pin 5 contains the IF signal and allows the signal to be transferred to pin 25 for the convenience of PCB layouts. DC biasing: DC bias must be provided for the RF, 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. IF Amplifier Matching Frequency (MHz) L7 (nH) C17 (pF) R8 (ohms) L4 (nH) 40 470 24 4.7 470 50 430 15 4.7 240 75 150 22 3.3 330 100 150 10 2.2 330 125 120 8.2 2.2 330 130 120 6.8 2.2 330 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 4 April 2007 CV110-1A Cellular-band High Linearity Downconverter Downconverting Application Circuit: CV110-1APCB75 RF = 800 – 915 MHz, IF = 75 MHz PCB Layout Bill of Materials Ref. Desig. R1 R2, R3, R4, R5, C2, L8 R6, R7 R8 R9, R10 R11 R16 C1, C3, C4, C5, C6 C7, C9, C16 C8, C10 C11, C12, C13, C18, C21, F1 C14 C15 C17 L2 L3 L4 L5 L6 L7 L10 U1 Component 13 Ω chip resistor, size 0805 0 Ω chip resistor 470 Ω chip resistor 3.3 Ω chip resistor 200 Ω chip resistor 27 Ω chip resistor 10 Ω chip resistor 100 pF chip capacitor 0.018 µF chip capacitor 1000 pF chip capacitor Shown in silkscreen, but not used in actual circuit. 3.9 pF chip capacitor 8.2 pF chip capacitor 22 pF chip capacitor 18 nH chip inductor 120 nH chip inductor 220 nH chip inductor, size 0805 12 nH chip inductor 22 nH chip inductor 150 nH chip inductor 10 nH chip inductor CV110-1A WJ Converter Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness All components are of size 0603 unless otherwise specified. 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 4 April 2007 CV110-1A Cellular-band High Linearity Downconverter Mechanical Information This package is lead-free/RoHS-compliant. The plating material on the pins is annealed matte tin over copper. It is compatible with both lead-free (maximum 260 °C reflow temperature) and leaded (maximum 245 °C reflow temperature) soldering processes. Outline Drawing Product Marking The component will be lasermarked with a “CV110-1AF” 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
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