chr2297 rohs compliant ref.: dschr22970204 - 23 jul 10 1/6 specifications subject to change without notice united monolithic semiconductors s.a.s. route dpartementale 128 - b.p.46 - 91401 orsay cede x france tel. : +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 36-44ghz multifunction down-converter gaas monolithic microwave ic description the chr2297 is a multifunction chip (mfc) which integrates a lo buffer amplifier, an if amplifier and a single cold fet mixer. it is usable for down-conversion. it is designed for a wide range of applications, from military to commercial communication systems. the backside of the chip is both rf and dc grounds. this helps to simplify the assembly process. the circuit is manufactured with a phemt process, 0.25m gate length, via holes through the substrate, air bridges and electron beam gate lithography. it is available in chip form. main features broadband performance: 36-44ghz 2.5db conversion gain 0dbm lo input power +4dbm input power (1db gain comp.) dc power consumption, 65ma @ 4v chip size: 1.33x1.68x0.10mm conversion gain 0 1 2 3 4 5 6 7 8 9 10 34 35 36 37 38 39 40 41 42 43 44 45 46 rf frequency (ghz) conversion gain (db) f_if= 2ghz f_if= 6ghz main characteristics tamb.=+25c symbol parameter min typ max unit f rf rf frequency range 36 44 ghz f lo lo frequency range 30 39 ghz f if if frequency range 2 6 ghz g c conversion gain 2.5 db esd protection: electrostatic discharge sensitive d evice. observe handling precautions! down converter lo if rf
chr2297 36-44ghz mfc down-converter ref.: dschr22970204 - 23 jul 10 2/6 specifications subject to change without notice route dpartementale 128, b.p.46 - 91401 orsay ced ex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 electrical characteristics tamb=+25c symbol parameter min typ max unit f rf rf frequency range 36 44 ghz f lo lo frequency range 30 39 ghz f if if frequency range 2 6 ghz g c conversion gain 2.5 db p lo lo input power 0 dbm lo_if lk lo leakage on if (for p lo =0dbm) -28 dbm lo_rf lk lo leakage on rf (for p lo =0dbm) -22 dbm rf_if lk rf leakage on if (for p rf =-5dbm) -50 dbm p1db input power at 1db gain compression +4 dbm lo match lo matching (1) 2.0:1 rf match rf matching (1) 2.0:1 if match if matching 2.0:1 vd drain bias voltage (pads vd1, vd2) 4 v vg gate bias voltage (pad vg) -1 v id drain bias current 65 ma (1) a wire bond of typically 0.1 to 0.15 nh will im prove the input and output matching. absolute maximum ratings (1) tamb = +25c symbol parameter values unit vd drain bias voltage 4.5 v id drain bias current 100 ma p lo maximum lo input power 5 dbm ta operating temperature range -40 to +85 c tstg storage temperature range -55 to +125 c (1) operation of device above anyone of these para meters may cause permanent damage.
36-44ghz mfc down-converter chr2297 ref.: dschr22970204 - 23 jul 10 3/6 specifications subject to change without notice route dpartementale 128, b.p.46 - 91401 orsay ced ex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 typical on wafer measurement tamb: 25c, vd=4v, vg= -1v, p lo = 0dbm conversion gain versus rf frequency 0 1 2 3 4 5 6 7 8 9 10 34 35 36 37 38 39 40 41 42 43 44 45 46 rf frequency (ghz) conversion gain (db) f_if= 2ghz f_if= 6ghz conversion gain versus rf input power 0 1 2 3 4 5 6 7 8 9 10 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 rf input power (dbm) conversion gain (db) rf=36ghz, if=2ghz rf=40ghz, if=2ghz rf=36ghz, if=6ghz rf=40ghz, if=6ghz rf=44ghz, if=6ghz
chr2297 36-44ghz mfc down-converter ref.: dschr22970204 - 23 jul 10 4/6 specifications subject to change without notice route dpartementale 128, b.p.46 - 91401 orsay ced ex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 lo leakage on rf port -40 -35 -30 -25 -20 -15 -10 -5 0 34 35 36 37 38 39 40 41 42 43 44 45 46 rf frequency (ghz) lo leakage on rf port (dbm) f_if= 2ghz f_if= 6ghz lo leakage on if port -40 -35 -30 -25 -20 -15 -10 -5 0 34 35 36 37 38 39 40 41 42 43 44 45 46 rf frequency (ghz) lo leakage on if port (dbm) f_if= 2ghz f_if= 6ghz
36-44ghz mfc down-converter chr2297 ref.: dschr22970204 - 23 jul 10 5/6 specifications subject to change without notice route dpartementale 128, b.p.46 - 91401 orsay ced ex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 recommanded assembly plan 25m wedge bonding is recommended recommended esd management refer to the application note an0020 available at http://www.ums-gaas.com for esd sensitivity and handling recommendations for the um s products.
chr2297 36-44ghz mfc down-converter ref.: dschr22970204 - 23 jul 10 6/6 specifications subject to change without notice route dpartementale 128, b.p.46 - 91401 orsay ced ex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 mechanical data tol: 35m (chip thickness: 100m. all dimensions are in micro meters) ordering information chip form : chr2297-98f/00 information furnished is believed to be accurate an d reliable. however united monolithic semiconductors s.a.s. assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by impli cation or otherwise under any patent or patent rights of united monolithic semiconductors s.a.s. . specifications mentioned in this publication are subject to change without notice. this publication supersedes and re places all information previously supplied. united monolithic semiconductors s.a.s. products are not authorised for use as critical components in life support devices or s ystems without express written approval from united monolithic semiconductors s.a.s.
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