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| Surface Mount Double-Balanced Mixer, 10 - 500 MHz V 3.00 MDS-223 Features n n n n n SF-1 Fully Hermetic Package Low Cost Conversion Loss: 7 dB Typical Midband Impedance: 50 Ohms Nominal Maximum Input Power: 400 mW Max @ 25C, Derated to 85C @ 3.2 mW/C n IF Port Current: 50 mA Max. n MIL-STD-883 Screening Available Description Transformers convert the LO and RF paths to balanced lines connecting to a low barrier, Schottky diode ring quad. These transformers help provide excellent isolation between ports. Conversion loss is low. The direct connection of the IF port to the diode quad allows these mixers to be used as phase detectors and bi-phase modulators. Pin Configuration Pin No. 1 2 Function GND IF Pin No. 3 4 Function LO RF Electrical Specifications1: TA = -55C to +85C Parameter Frequency Range Conversion Loss Isolation LO to RF LO to IF RF to IF DC Polarity DC Offset RF Input SSB Noise Figure Typical Two-Tone IM Ratio Negative -- 1 dB Compression 1 dB Desensitization Within 1 dB of Conversion Loss Max with a -10 dBm input, each input, 25 MHz and 35 MHz IF Test Conditions RF, LO Ports IF Port Frequency 10 - 500 DC - 500 5 - 150 MHz 150 - 500 MHz 5 - 150 MHz 150 - 500 MHz 5 - 150 MHz 150 - 500 MHz 5 - 150 MHz 150 - 500 MHz -- -- -- -- -- 100 - 350 MHz 350 - 500 MHz Units MHz MHz dB dB dB dB dB dB dB dB -- mV dBm dBm -- dB dB Min -- -- -- 40 35 35 25 25 20 -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- <1 +2.5 0 -- 55 40 Max -- 7.0 9.0 -- -- -- -- -- -- -- -- -- -- -- -- -- 1. All specifications apply when operated at +7 dBm available LO power with 50 ohm source and load impedance. Surface Mount Double-Balanced Mixer, 10 - 500 MHz Bottom View of SF-1 6X .050 (+.020/-.000) 4X .099 .010 MDS-223 V 3.00 Typical Performance Curves Conversion Loss (LO = +7 dBm, RF = -5 dBm, IF = 5 MHz) 8 4X .016 .002 .506 .385 Ref Conversion Loss (dB) 7 .220 .165 .381 6 .002 .000 5 5 .367 .143 .080 .205 .305 .430 .510 Ref .000 .002 10 20 50 100 200 300 400 500 Frequency (MHz) Isolation (Input = +7 dBm) L-R 60 L-X R-X Conversion Loss vs. LO Power (RF = 200 MHz, RF = 140 MHz @ -10 dBm, IF = 60 MHz) 10 50 Conversion Loss (dB) Isolation (dB) 8 40 6 30 20 5 10 20 50 100 200 300 400 500 4 -10 -5 0 5 10 15 Frequency (MHz) LO Power (dBm) Ordering Information Part Number MDS-223 PIN Package SF-1 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 2 |
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