l - package outline iqf-27l series i&q networks 20 to 200 mhz / in-circuit phase and amplitude adjustments / 10% bandwidth / hi-rel package fo r f u rther i nfor m at i on contact m err i m ac / 41 fa irfi e l d p l., w es t ca l d w e ll, nj , 07006 / 973 - 575 - 1300 / fax 973 - 575 - 0531 general notes: 1. i & q networks are integrated devices that produce two quadrature-phased, equal amplitude signals when fed rf and lo signals. 2. the iqf-27l series features in-circuit, voltage controlled phase and amplitude balance adjustments that allow fine adjustments when the device is in its normal operating environment. these features provides accuracy not previously attainable in a comparably small package. in addition, the voltage controlled phase and amplitude balance inputs facilitate closed loop, servo operation using the adjustment inputs in the feedback loops. 3. merrimac i & q networks comply with the relevant sections of mil-m-28837 and may be supplied screened for compliance with additional specifications for military and space applications requiring the highest reliability. principal specifications model lo frequency ? bandwidth number f o, mhz rf input iqf-27l-***b 20 - 200 10% of f o for complete model number replace *** with desired lo frequency in mhz. general specifications rf and lo input characteristics impedance: 50 w nom. vswr: 1.5:1 max. rf power level: 0 dbm nom. lo power level +10 dbm nom. i & q output characteristics video bandwidth: dc to ? 50 mhz nom. output impedance: 50 w nom. conversion loss (rf to i or q): 10 db typ.,12 db max. if balance (i to q) @ v c = +5v phase: 90 2 amplitude: 0 0.2 db bias controls, @ f o : 0 to +10v phase tuning: 5 nom. amplitude range: 1 db nom. temperature stability: 0.2 db, 1 max. operating temp: -- 55 to +85c weight, nominal: 0.55 oz (15.4 g) ? rf and video bandwidths are typically much greater than specified. 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. phase adjust lo input i output amplitude adjust rf input q output 29apr96
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