26 to 40 ghz image rejection or i/q mixers models: IR2640LC2A, ir2640lc2b, ir2640lc2c and ir2640lc2q features ? rf/lo coverage ............ 26 to 40 ghz ? if operation .................. dc to 0.5 ghz ? lo power range ............ +10 to +13 dbm ? conversion loss ............. 10 db typical ? image rejection ............. 20 db typical electrical specifications input parameters condition units min. typ. max. rf frequency range ghz 26 40 rf vswr (rf = -10 dbm, lo = +13 dbm) ratio 2:1 lo frequency range ghz 26 40 lo power range dbm +10 +13 lo vswr (rf = -10 dbm, lo = +13 dbm) ratio 2.5:1 transfer characteristics condition units min. typ. max. conversion loss (notes 1 and 2) rf > lo db 10 12.5 single-sideband noise figure db 13.5 image rejection (note 1) rf < lo db 15 20 lo-to-rf isolation db 15 20 lo-to-if isolation db 15 input power at 1 db compression lo = +13 dbm dbm +4 input two-tone third-order intercept point lo = +13 dbm dbm +14 output parameters condition units min. typ. max. if frequency (image rejection mode) IR2640LC2A mhz 20 40 ir2640lc2b mhz 40 80 ir2640lc2c mhz 100 200 if frequency (qifm, i/q demodulator mode) ir2640lc2q mhz dc 500 if vswr (rf = -10 dbm, lo = +13 dbm) ratio 1.5:1 miteqs ir series of image rejection mixers is useful for wideband test equipment or in ultra-broadband receivers requiring rejection of an unwanted sideband of signal or noise following a low-noise front-end ampli- fier. these mixers are also useful as linear single-sideband upconverters by operating in the reverse mode. higher rf input power versions are available with proportional increases in lo power. greater image rejec- tion is also available in selected bandwidths, including the ire series for the 2 to 8 and 6 to 18 ghz bands. 35
image rejection qifm, i/q demodulator 36 5:1 4:1 3:1 2:1 1:1 frequency (ghz) frequency (ghz) vswr (lo = +13 dbm) image rejection (lo = +13 dbm) conversion loss (if = 100 mhz, lo = +13 dbm) 26.4 37.28 34.56 31.84 29.12 40 26.4 37.28 34.56 31.84 29.12 40 0 4 8 12 16 20 frequency (ghz) frequency (ghz) isolation (lo to rf) (lo = +13 dbm) 0 20 40 60 80 100 0 10 20 30 40 50 lo rf 26.4 37.28 34.56 31.84 29.12 40 26.4 37.28 34.56 31.84 29.12 40 vswr (ratio) image rejection (db) conversion loss (db) isolation (db) ir2640lc2c typical data maximum ratings specifications taken at .......................... +25c operating temperature .......................... -54 to +85c storage temperature ............................ -65 to +125c available options high dynamic range operation integrated if amplifier available general notes 1. standard catalog unit aligned and tested for guaranteed rf > lo performance. rf < lo guaranteed performance is available, please contact miteq. 2. add 3 db to conversion loss for q option (dc to 500 mhz, i/q outputs). 3. guaranteed at midband rf/lo. outline drawings IR2640LC2A, b and c ir2640lc2q .375 .063 .50 port into 50 ohms. 1. term unused if note: .100 dia. mtg. hole (typ. 2 places) .50 .075 2.0 1.85 in s/n xxxxxx m/n xxxxxx lo in rf rf > lo rf < lo out if type sma field replaceable female connector (typ. 2 places) type k field replaceable female connector (typ. 2 places) 1.0 .25 .25 .75 .375 .063 .50 port into 50 ohms. 1. term unused if note: .100 dia. mtg. hole (typ. 2 places) .50 .075 2.0 1.85 in s/n xxxxxx m/n xxxxxx lo in rf q i type sma field replaceable female connector (typ. 2 places) type k field replaceable female connector (typ. 2 places) 1.0 .25 .25 .75
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