DMF-12A Series DOUBLEBALANCED MIXERS 500 kHz to 2 GHz / +20 to +27 dBmLO/ +28 dBmThird Order Intercept / Flatpack PRINCIPAL SPECIFICATIONS Model Number DMF-12A-250 RF/LO Frequency, MHz 0.5 - 500 IF Frequency, MHz DC - 500 DMF-12A-500 10 - 1000 DC - 1000 DMF-12A-700 10 - 1500 DC - 1000 DMF-12A-1700 500 - 2000 DC - 1000 Operating Range, MHz 0.5 - 1 1 - 300 300 - 500 10 - 50 50 - 500 500 -1000 10 - 600 600 -1000 1000 -1500 500 - 2000 Conversion Loss, dB, Max. Typ. 8.0 7.0 7.0 6.0 8.0 7.0 7.5 6.5 7.5 6.5 8.5 7.5 8.0 7.0 8.0 7.0 9.5 8.5 8.0 6.0 Port Isolation, Min. L-R L-X R-X Polarity dB dB . dB Sense 40 30 23 Pos. 40 30 23 35 20 20 35 30 25 Pos. 30 25 20 25 15 15 30 20 15 Neg. 20 12 15 20 12 8 25 20 15 Neg. All specifications are as measured in a 50Ω system, at nominal LO power, in a down converter application. Package Outline GENERAL SPECIFICATIONS LO Drive: Impedance: Noise Figure: +24 dBm nom. 50 Ω nom. Within ±1 dB of Conversion Loss 1 dB Comp. Point: +16 dBm input typ. Input Intercept Point: +28 dBm typ. Maximum Input Power: 900 mW @ 25°C (derate linearly to 0 mW @ 125°C) NOTES: 1. Tolerance on 3 place decimals .010(.25) except as noted. 2. Dimensions in inches over millimeters. 3. Dimensions marked with * apply only at body. 4. All unmarked pins are case ground. DC Offset Voltage: 8 mV typ. Weight: 0.1 oz (2.8 g) Operating Temperature: – 55° to +85°C General Notes: 1. The DMF-12A series of Double Balanced Mixers covers the frequency range of of 0.5 to 2000 MHz using a 12 diode ring modulator to produce an extremely high level mixer with high third order intercept points. 2. Merrimac offers a broad selection of Double Balanced Mixers ideal for a variety of signal processing functions with frequencies ranging from 20 kHz to 20 GHz. 3. Merrimac mixers comply with MIL-M-28837 and may be supplied screened for compliance with additional specifications for military and space applications requiring the highest reliability. 29Apr96 For further information contact MERRIMAC/ 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531