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| WJZ1020 Broadband Surface Mount Mixer Product Features x x x x x x x +27.8 dBm Input IP3 RF: 1 - 2700 MHz LO: 1 - 2700 MHz IF: 1 - 2000 MHz +17 dBm LO Drive Level No Internal Solder Connections Lead Free/RoHS-compliant SMT package x No External Bias Required Product Description The WJZ1020 is a passive double-balanced diode-ring mixer that provides high dynamic range performance in a Lead Free/ RoHS-compliant surface mount package. The mixer is nominally driven with a LO input power of +17 dBm to optimize its performance. Other WJZ models are available for other LO drive levels. Targeted applications include frequency up/down conversion, modulation and demodulation for receivers and transmitters used in 2.5G and 3G GSM/CDMA/W-CDMA systems. The device can also be used in Radar, Satellite, Test / Medical Instruments, Avionics communications and Navigation markets. Functional Diagram 1 2 3 LO 8 4 RF 7 6 IF 5 Top View Applications x x x x Up/down frequency conversion Phase Detector Image Rejection Current Controlled Attenuator Specifications Parameter www..com Units dB dB dB dB dB dB dB dBm dBm Min Typ 6.3 6.9 Max 8.5 9.5 Notes See note 1. Guaranteed at 8 dB max at 25 U& See note 1. Guaranteed at 9 dB max at 25 U& SSB Conversion Loss RF/LO = 10-1300 MHz, IF = 10-1000 MHz RF/LO = 10-2200 MHz, IF = 30-1000 MHz Port-to-Port Isolation L-R = 10-1500 MHz L-R = 10-2200 MHz L-I = 10-2000 MHz L-I = 10-2200 MHz R-I = 10-2200 MHz 3rd Order Input Intercept Point 1dB Input Compression Point VSWR RF Port = 600-1200 MHz RF Port = 1200-1800 MHz RF Port = 1800-2500 MHz LO Port = 600-1200 MHz LO Port = 1200-1800 MHz LO Port = 1800-2500 MHz IF Port LO Drive Level 21 17 20 16 38 36 31 33 25 +27.8 +13 1.6:1 1.6:1 1.7:1 1.3:1 1.9:1 2.0:1 1.8:1 +17 IF = 100 MHz IF = 100 MHz IF = 100 MHz dBm 1. Measured in a 50 ohm system with a nominal LO drive of +17 dBm, low side LO, in a downconversion application with LO = 2100 MHz, RF = 2200 MHz, IF = 100 MHz. Absolute Maximum Rating Parameter Operating Case Temperature Storage Temperature RF Input Power -40 to +85 qC -65 to +100 C +23 dBm Rating Ordering Information Part No. WJZ1020 WJZ1020-PCB Description Broadband Surface Mount Mixer Fully-Assembled Mixer Application Board Operation of this device above any of these parameters may cause permanent damage. Standard T/R reel size = 500 pieces on a 13" reel. Specifications and information are subject to change without notice Page 1 of 3 April 2007 WJ Communications, Inc x Phone 1-800-WJ1-4401 x FAX: 408-577-6621 x e-mail: sales@wj.com x Web site: www.wj.com WJZ1020 Broadband Surface Mount Mixer Performance Charts Input IP3 vs RF Frequency 40 Input IP3 (dBm) IF = 100 MHz, LO = 17 dBm, +25 UC Conversion Loss vs RF Frequency IF = 100 MHz, LO = 17 dBm, +25 UC 10 Conversion Loss (dB) 35 30 25 20 0 500 1000 1500 2000 RF Frequency (MHz) 2500 3000 9 8 7 6 5 0 500 1000 1500 2000 RF Frequency (MHz) 2500 3000 LO VSWR vs Frequency 2.4 2.2 2.0 VSWR RF VSWR vs Frequency 2.2 2.0 1.8 VSWR IF = 100 MHz, +25 oC 1.8 1.6 1.4 1.2 1.0 0 500 1000 1500 2000 Frequency (MHz) 2500 3000 www..com 1.6 1.4 1.2 1.0 0 500 1000 1500 2000 RF Frequency (MHz) 2500 3000 Isolation vs LO Frequency 60 50 40 30 20 0 500 1000 1500 2000 LO Frequency (MHz) 2500 3000 IF = 100 MHz, +25 UC L-I Isolation (dB) L-R Specifications and information are subject to change without notice WJ Communications, Inc x Phone 1-800-WJ1-4401 x FAX: 408-577-6621 x e-mail: sales@wj.com x Web site: www.wj.com Page 2 of 3 April 2007 WJZ1020 Broadband Surface Mount Mixer Mechanical Information This package is lead-free/RoHS-compliant. The plating material is lead-free Tin (Sn). It is compatible with lead-free (maximum 260qC reflow temperature) and recommend 245qC reflow temperature soldering processes. Also recommend adding active flux of 2% during solder reflow. Application Circuit WJZ1020 PIN 8 PIN 4 LO PIN 6 RF IF Notes: 1. Circuit board material: .021" FR-4, 2 layers, .025" total thickness 2. Blocking capacitors are required on the ports (pins 4, 6, 8) if any dc signal is present. Outline Drawing Product Marking The component will be marked with a "WJZ1020" designator followed by an alphanumeric lot code on the top surface of the package. www..com WJZ1020 XXXX Tape and reel specifications for this part will be located on the website in the "Application Notes" section. Functional Pin Layout 1 2 3 Land Pattern / Mounting Configuration LO 8 4 RF 7 6 IF 5 Top view Pin No. 4 6 8 1,2,3,5,7 Backside Metal Notes: 1. Ground vias are critical for RF grounding considerations. 2. A minimum of 12 ground vias underneath the device is required. 3. Trace width depends on the PC board material and thickness Function RF IF LO GND Specifications and information are subject to change without notice WJ Communications, Inc x Phone 1-800-WJ1-4401 x FAX: 408-577-6621 x e-mail: sales@wj.com x Web site: www.wj.com Page 3 of 3 April 2007 |
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