CV211-1 The Communications Edge TM Preliminary Information PCS/DCS-band Dual-Branch Downconverter Product Features * High dynamic range downconverter with integrated LO driver and IF amplifiers * Dual channels for diversity * +27 dBm Input IP3 * +12 dBm Input P1dB * 11.5 dB Noise Figure * RF: 1710 - 1910 MHz * IF: 70 - 250 MHz * Low-side LO downconverter * Single supply operation (+5 V) * 6 x 6 mm QFN SMT package CV Actual Size Product Description Functional Diagram The CV211-1 is a dual-channel high-linearity downconverter designed to meet the performance, functionality, and cost goals of current and next generation mobile infrastructure basestations. It is ideally suited for high dynamic range receiver front ends using diversity receive channels. The module is implemented in reliable GaAs MESFET technology and requires only a small 6x6 mm footprint. 27 25 23 IF 1 8 +Vcc 21 IF amp RF LO driver amp RF 7 17 IF amp IF 9 11 13 Top View Typical applications include frequency downconversion used in CDMA/GSM/TDMA, CDMA2000, W-CDMA, and EDGE 2.5G and 3G mobile base transceiver stations. Specifications1 Parameters RF Frequency Range LO Frequency Range IF Frequency Range IF Bandwidth SSB Conversion Gain 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 1 Units Minimum MHz MHz MHz % dB dBm dBm dBm dB dBm dB dB dB dB dB dB V mA 1710 1460 70 8 -2.5 Maximum +4.75 Comments 1910 1840 250 20 10 +27 +32 +12 11.5 0 12 f = 1 MHz @ RFin = 0 dBm / tone 12.5 +2.5 9 30 35 14 14 14 +5 380 PLO = 0 dBm PLO = 0 dBm +5.25 460 Specifications when using application specific circuit with a low side LO = 0 dBm in a downconverting application at 25C. Absolute Maximum Rating2 2 Typical Ordering Information Parameters Rating Part No. Description Operating Case Temperature -40 to +85 C -65 to +100 C CV211-1 PCS/DCS-band Dual-Branch Downconverter Storage Temperature Maximum Junction Temperature +150 C Operation of this device above any of these parameters may cause permanent damage. This document contains information on a new product. Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com May 2002 CV211-1 The Communications Edge TM Preliminary Information PCS/DCS-band Dual-Branch Downconverter Application Circuit Note 1: IF Freq (MHz) 70 - 90 230 - 250 L4 (nH) 100 47 L8 (nH) 100 47 C4 (pF) 20 2.7 C11 (pF) 20 2.7 All components are of size 0603 or 0402 unless otherwise noted DNP represents: Do Not Place. Assembly Layout Functional Pin Layout Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FUNCTION Channel 1 RF Input GND +5 V GND N/C GND Channel 2 RF Input GND Channel 2 IF Mixer Output GND Channel 2 IF Amp Input GND Channel 2 IF Amp Output / +5 V GND Pin 15 16 17 18 19 20 21 22 23 24 25 26 27 28 FUNCTION N/C GND LO input GND N/C GND +5 V GND Channel 1 IF Amp Output / +5 V GND Channel 1 IF Amp Input GND Channel 1 IF Mixer Output GND This document contains information on a new product. Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com May 2002 CV211-1 The Communications Edge TM Preliminary Information PCS/DCS-band Dual-Branch Downconverter Outline Drawing Mounting Configuration Pin 1 2 3 4 6.000.050 5 6 7 8 9 10 11 12 13 14 FUNCTION RF Amp Output GND N/C GND N/C GND Mixer RF Port GND N/C GND Mixer LO Port GND LO Amp Output GND Pin 15 16 17 18 19 20 21 22 23 24 25 26 27 28 FUNCTION LO Amp Input GND N/C GND N/C GND IF Amp Output GND IF Amp Input GND Mixer IF Port GND RF Amp Input GND .325.050 .400.050 .888 4.700.050 EXPOSED PAD .650 PITCH .900.050 .203.025 (EXPOSED LEAD) .000 - .050 PAD POSITIONER This document contains information on a new product. Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com May 2002