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| Surface Mount Double-Balanced Mixer, 200 KHz - 200 MHz V 3.00 MDS-222 Features n Fully Hermetic Package n Three Decade Coverage n Impedance: 50 Ohms Nominal n Maximum Input Power: 400 mW Max @ 25C, Derated n n SF-1 linearly to 85C @ 3.2 mW/C X-Port Current: 50 mA Max. 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 2 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 0.2 - 200 DC - 200 0.2 - 50 MHz 50 - 200 MHz 0.2 - 50 MHz 50 - 200 MHz 0.2 - 50 MHz 50 - 200 MHz 0.2 - 50 MHz 50 - 200 MHz -- -- -- -- -- 100 - 200 MHz 200 - 300 MHz Units MHz MHz dB dB dB dB dB dB dB dB -- mV dBm dBm -- dB dB Min -- -- -- 35 30 35 25 25 20 -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- <3 +2 0 -- 50 36 Max -- 6.0 7.5 -- -- -- -- -- -- -- -- -- -- -- -- -- 1. All specifications apply when operated at +7 dBm available LO power with 50 ohm source and load impedance. 2. Measured at 100 MHz. Surface Mount Double-Balanced Mixer, 200 KHz - 200 MHz MDS-222 V 3.00 Bottom View of SF-1 6X .050 (+.020/-.000) 4X .099 .010 Typical Performance Curves Conversion Loss 6 Conversion Loss (dB) 4X .016 .002 .506 .385 Ref 5 .220 .165 .381 4 .002 .000 3 0.1 .367 .143 .080 .205 .305 .430 .510 Ref .000 .002 0.2 1.0 5.0 20.0 50.0 100.0 150.0 200.0 Frequency (MHz) Isolation L-R 60 L-X R-X Conversion Loss vs. LO Power 10 50 Conversion Loss (dB) Isolation (dB) 8 40 6 30 20 0.1 0.2 1.0 5.0 20.0 50.0 100.0 150.0 200.0 4 -5 0 5 10 15 Frequency (MHz) LO Power (dBm) Ordering Information Part Number MDS-222 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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