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| Double-Balanced Mixer, 5 - 500 MHz V 3.00 MD-108 Features n n n n RH-3 Low Cost Conversion Loss: 7 dB Typical 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 3* 4 Function LO GND IF GND Pin No. 5 6 7* 8 Function LO GND IF RF * P3 and P7 are connected together to make IF port. 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 1 dB Compression 1 dB Desensitization Within 1 dB of Conversion Loss Max. With -10 dBm input, each input 25 MHz and 35 MHz IF -- 100 - 350 MHz 350 - 500 MHz Negative, if LO input at Pin 1 Test Conditions RF, LO Ports IF Port Frequency 5 - 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 -- 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. Double-Balanced Mixer, 5 - 500 MHz MD-108 V 3.00 Typical Performance Curves Conversion Loss (LO = +7 dBm, RF = -5 dBm, IF = 5 MHz) 8 60 Isolation (Input = +7 dBm) L-R L-X R-X Conversion Loss (dB) 7 Isolation (dB) 50 40 6 30 5 5 10 20 50 100 200 300 400 500 20 5 10 20 50 100 200 300 400 500 Frequency (MHz) Frequency (MHz) Conversion Loss vs. LO Power (LO = 200 MHz, RF = 140 MHz @ -10 dBm, IF = 60 MHz) 12 Ordering Information Part Number MD-108 PIN Package RH-3 10 Loss (dB) 8 6 4 -5 0 5 10 15 LO Power (dBm) 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 |
Price & Availability of MD-108
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