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| Double-Balanced Mixer, 500 KHz - 500 MHz V 3.00 MD-124 Features n n n n FP-2 Usable down to 200 KHz Conversion Loss: 6.5 dB Typical Impedance: 50 Ohms Nominal Maximum Input Power: 300 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 to the LO and RF paths to balanced lines connecting 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 GND GND GND IF Pin No. 5 6 7 8 Function LO GND GND RF Electrical Specifications1: TA = -55C to +85C Parameter Frequency Range Conversion Loss Isolation LO to RF 0.5 - 10 MHz 10 - 200 MHz 200 - 500 MHz 0.5 - 10 MHz 10 - 200 MHz 200 - 500 MHz 0.5 - 10 MHz 10 - 200 MHz 200 - 500 MHz -- -- Test Conditions RF, LO Ports IF Port Frequency 0.5 - 500 DC - 500 Units MHz MHz dB dB dB dB dB dB dB dB dB dB -- mV dBm dBm Min -- -- -- 35 30 25 30 25 20 25 15 15 -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- -- -- -- <3 +2 -2 Max -- -- 7.0 -- -- -- -- -- -- -- -- -- -- -- -- -- LO to IF RF to IF DC Polarity DC Offset RF Input Negative -- 1 dB Compression 1 dB Desensitization 1. All specifications apply when operated at +7 dBm available LO power with 50 ohm source and load impedance. Double-Balanced Mixer, 500 KHz - 500 MHz Electrical Specifications: TA = -55C to +85C Parameter SSB Noise Figure Typical Two Tone IM Ratio Test Conditions Within 1 dB of Conversion Loss Max. With -10 dBm input, each input 25 MHz and 35 MHz IF Frequency -- 100 - 400 MHz 400 - 500 MHz Units -- dB dB Min -- -- -- Typ -- >50 >40 MD-124 V 3.00 Max -- -- -- Typical Performance Curves Conversion Loss (LO = +7 dBm, RF = -5 dBm) 7 50 45 Isolation LO - RF LO - IF RF - IF Conversion Loss (dB) Isolation (dB) 0.2 1 5 20 50 100 300 500 700 40 35 30 25 6 5 20 0.2 1 5 20 50 100 300 500 700 Frequency (MHz) Frequency (MHz) Conversion Loss vs. LO Power (LO = 35 MHz, RF = 30 MHz @ -20 dBm, IF = 5 MHz) 11 10 Ordering Information Part Number MD-124 PIN Package FP-2 Loss (dB) 9 8 7 6 5 -10.0 -7.5 -5.0 -2.5 0.0 2.5 5.0 7.5 10.0 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 |
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