7.6-21.2 GHz FREQUENCY MULTIPLEXER SINGLE-POLE SINGLE-THROW SWITCHES MODEL: FMX-076212 FEATURES * * * * * High reliability spaceborne application Broadband RF coverage ......... 7.6-21.2 GHz Gain ........................................... 23 dB nominal Channel-to-channel isolation.. 50 dB minimum In/out VSWR.............................. 1.5:1 typical, 1.8:1 maximum * Noise figure .............................. 4 dB typical, 6 dB maximum * Low power ................................ 130 mA (5 V) typical MITEQ's Model FMX-076212 broadband three-output frequency multiplexer precedes the second IF down conversion stage in a low earth orbit-based millimeter-wave radiometer. In combination with second IF downconverter, the system provides maximally flat frequency response over the bands of interest, high linearity of output power to input power, and high isolation between the frequency bands of interest as well as from other undesirable signals. In addition, this high reliability, spaceborne integrated assembly is optimized for small size, low power consumption, lightweight, and excellent thermal stability of operation. ELECTRICAL SPECIFICATIONS RF INPUT PARAMETERS Frequency range CONDITION RF OUTPUT PARAMETERS Number of RF output channels CONDITION VSWR Channel center frequencies Over 1300 MHz passband Normal gain Channel 20 dB rejection bandwidth Noise figure Isolation between output channels Weight MIN. MHz 1300 TYP. 3 dB -8 Over 1300 MHz passband Ratio dB 50 CONDITION UNITS MIN. At 5 V supply ENVIRONMENTAL CONDITIONS Operating temperature............................................. Storage temperature................................................ Humidity ................................................................... Vibration................................................................... mA Grams 1.8:1 MAX. 8.4081 12.7759 20.4012 23 dBm Volts MAX. 21.2 2 dB dB Connector, DC DC power consumption UNITS MHz Output power (1 dB compression) Supply voltage TYP. GHz Gain flatness OTHER PARAMETERS Connectors, RF MIN. 7.6 Ratio Channel bandwidth VSWR UNITS GHz -5 2300 4 6 1.5:1 1.8:1 TYP. SMA MAX. 15-pin, micro D 5 130 210 0 to 70C -30 to +85C 95% noncondensing 12 g's rms, 20-2000 Hz per MIL-STD-810B Method 514, Procedure 5 100 Davids Drive, Hauppauge, NY 11788 * TEL: (631) 439-9220 * FAX: (631) 436-7430 * www.miteq.com C-35C/109 FMX-076212 TYPICAL TEST DATA 3 MULTIPLEXER CHANNELIZED OUTPUTS (AT 25C) 2.8 2.6 2.4 RF GAIN (dB) 2.2 2 1.8 INPUT VSWR 1.6 VSWR (IN/OUT) 26 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 1.4 1.2 6.8 7.8 8.8 9.8 10.8 11.8 12.8 13.8 14.8 15.8 FREQUENCY (GHz) 16.8 17.8 18.8 19.8 20.8 21.8 1 FUNCTIONAL BLOCK DIAGRAMS GENERIC SYSTEM MITEQ MULTIPLEXER 1-5 ANTENNA 100 - 2500 GHz 3-21 GHz 1ST LO 5 RECEIVERS MODEL FMX-076212 MITEQ DOWNCONVERTER AMP1 2ND LO 5-19.5 GHz CW 450 MHz 3-21 GHz 1300 MHz BW TO DOWNCONV. IF OUT 250- 1550 MHz IF OUT RF IN AMP1 B17 CAL PORT CAL SOURCE B16 MUX5 B15 VOLTAGE TO FREQ. CONVER TER V-F CHANNEL B17 OUT B16 OUT B15 OUT OUTLINE DRAWING 0.43 [10.92] 0.20 [5.08] 2.40 [60.96] 0.32 [8.13] 5.87 [149.10] 2.94 [74.68] 0.25 [6.35] 1.64 [41.66] 5.75 [146.05] 0.43 [10.92] 0.25 [6.35] 2.28 [57.91] J4 J1 0.13 [3.30] J3 J5 J2 0.125 [3.175] DIA. THRU. (TYP. 6 PLACES) 4.64 [117.86] 0.13 [3.30] 1.25 [15.24] 0.60 [15.24] 1.80 [45.72] "SMA" FEMALE CONNECTOR (TYP. 4 PLACES) 0.60 [15.24] MDM-152 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GENERAL NOTES: 1. Dimensions shown in brackets [ ] are in millimeters. 2. Tolerance as follows: .xx = 0.01 [.xx = 0.25], .xxx = 0.005 [.xxx = 0.13] 100 Davids Drive, Hauppauge, NY 11788 * TEL: (631) 439-9220 * FAX: (631) 436-7430 * www.miteq.com C-35C/110