2.8-9.9 GHz FREQUENCY MULTIPLEXER MODEL: 136466 FEATURES * * * * * * * * High reliability, spaceborne application Broadband RF coverage.......... 2.8-9.9 GHz RF gain ...................................... 23 dB nominal Channel-to-channel isolation.. 45 dB minimum Input/output VSWR................... 1.5:1 typ., 1.8:1 maximum Noise figure .............................. 3.5 dB typ., 4.5 dB maximum Low power ................................ 325 mA (5 V) typical Lightweight ............................... 520 grams typical MITEQ's model 136466 broadband-three output frequency multiplexer precedes the second IF down conversion stage in a low earth orbit-based millimeter-wave radiometer. In combination with the MITEQ 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 CONDITION UNITS MIN. GHz Ratio 2.8 CONDITION UNITS MIN. 1300 Over 1300 MHz passband MHz MHz GHz dB dBm dB dB Ratio CONDITION UNITS MIN. MHz MHz GHz kHz 450 CONDITION UNITS MIN. 4 BIT Binary, TTL; BIT 5 = OFF state dB dB 0 Frequency range VSWR RF OUTPUT PARAMETERS Number of RF output channels Channel 2 dB bandwidth Channel 20 dB rejection bandwidth Channel center frequencies Nominal gain Output power (1 dB compression) Noise figure Isolation between output channels VSWR VOLTAGE TO FREQUENCY OUTPUT PARAMETERS Number of output channels Channel 3 dB bandwidth Channel 30 dB rejection bandwidth Channel center frequencies Output full scale frequency OTHER PARAMETERS Digital gain control Gain control step size Connectors, RF Connectors, DC control, voltage-frequency outputs Supply voltage DC power consumption for each downconverter Weight TYP. MAX. 1.5:1 9.9 1.8:1 TYP. MAX. 3 At 5 V Supply At -5 V Supply Volts mA mA Grams 2300 -8 3.9449, 5.7085, 9.1168 23 -5 3.5 4.5 1.5:1 1.8:1 TYP. 4 MAX. 45 1000 3.06, 4.76, 7.26, 7.86 90 TYP. MAX. 7.5 0.5 SMA 21-pin, micro D 5 325 2.5 520 34 2.8-9.9 GHz FREQUENCY MULTIPLEXER (CONT.) ENVIRONMENTAL CONDITIONS Operating temperature . . . . . . . . . . 10 to 60C Storage temperature . . . . . . . . . . . -25 to +60C Vibration . . . . . . . . . . . . . . . . . . . . 6.5 Gs RMS, 20-2000 Hz Radiation . . . . . . . . . . . . . . . . . . . . 30 krads, total DOSP FUNCTIONAL BLOCK DIAGRAMS GENERIC SYSTEM MODEL 136466 WB5 MITEQ MULTIPLEXER 1-5 ANTENNA MITEQ 136460 DOWNCONVERTER MUX3 LSB=0.5dB IF OUT 250 1550 MHz IF OUT AMP1 3-21 GHz 100 2500 GHz V-F ATN WB8 ATN 4 AMP2 3-21 GHz CAL SOURCE 1300 MHz BW TO DOWNCONVERTER 1ST LO 5 RECEIVERS WB7 4 CAL PORT 2ND LO 5-19.5 GHz CW V-F V-F LSB=0.5dB WB6 RF IN 450 MHz V-F B9 AMP1 VOLTAGE TO FREQ.CONVERTER V-F CHANNEL B9 OUT B8 B8 OUT AMP3 B7 B7 OUT AMP4 OUTLINE DRAWING 6.600 [167.64] 5.165 [131.19] 0.725 [18.42] 5.040 [128.02] 0.200 [5.08] 4.915 [124.84] 0.250 [6.35] 0.250 [6.35] 2.520 [64.01] 2.813 [71.45] 0.555 [14.10] 1.768 [44.91] 1.184 [30.07] J4 0.125 [3.18] DIA. THRU. TYP. (9) PLACES 2.350 [59.69] 4.350 [110.49] 0.125 [3.18] 6.475 [164.47] 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] 35 2.318 [58.88] J3 J1 0.125 [3.18] 3.568 [90.63] J2 1.975 [50.17] 0.737 [18.72] 21 20 19 18 17 16 15 14 13 12 J5 11 10 9 8 7 6 5 4 3 2 1 5.125 [130.18] 21 20 19 18 17 16 15 14 13 12 J6 11 10 9 8 7 6 5 4 3 2 1 0.250 [6.35] 0.600 [15.24] 0.555 [14.10] "SMA" FEMALE CONNECTOR TYP. (4) PLACES MODEL 136466 TYPICAL DATA 3 2.8 2.6 2.4 2.2 VSWR IN/OUT RF GAIN (dB) 1300 MHz RF CHANNELS (AT 25C) 26 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 2 1.8 1.6 INPUT VSWR 1.4 1.2 1 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 FREQUENCY (GHz) NORMALIZED GAIN (dB) NORMALIZED GAIN (dB) NORMALIZED GAIN (dB) 100 0 90 -3 80 -6 70 -9 60 -12 50 -15 40 -18 30 -21 20 -24 10 -27 0 -30 7.36 7.46 7.56 7.66 7.76 7.86 7.96 8.06 8.16 8.26 8.36 RF INPUT FREQUENCY (GHz) DETECTED VOLTAGE TO FREQUENCY OUTPUT (kHz) DETECTED VOLTAGE TO FREQUENCY OUTPUT (kHz) 0 100 -3 90 -6 80 -9 70 -12 60 50 -15 40 -18 30 -21 20 -24 10 -27 0 -30 4.26 4.36 4.46 4.56 4.66 4.76 4.86 4.96 5.06 5.16 5.26 RF INPUT FREQUENCY (GHz) 100 0 90 -3 80 -6 70 -9 60 -12 50 -15 40 -18 30 -21 20 -24 10 -27 0 -30 6.76 6.86 6.96 7.06 7.16 7.26 7.36 7.46 7.56 7.66 7.76 RF INPUT FREQUENCY (GHz) DETECTED VOLTAGE TO FREQUENCY OUTPUT (kHz) DETECTED VOLTAGE TO FREQUENCY OUTPUT (kHz) NORMALIZED GAIN (dB) 450 MHz DETECTED VOLTAGE TO FREQUENCY OUTPUTS (AT 25C). 100 0 90 -3 80 -6 70 -9 60 -12 50 -15 40 -18 30 -21 20 -24 10 -27 0 -30 2.56 2.66 2.76 2.86 2.96 3.06 3.16 3.26 3.36 3.46 3.56 RF INPUT FREQUENCY (GHz) 36