View CHT3029-99F_9046237.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

cht302 9 - 99f ref. : dscht30294330 - 26 nov 14 1 / 12 specifications subject to change without notice united monolithic semiconductors s.a.s. bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 dc - 35ghz 4 bit digital attenuator gaas monolithic microwave ic description the cht3029 - 99f is a very wide band digital attenuator , which integrate s 4 bits with a lsb of 1 db and provides a dynamic range of 15db from dc to 35ghz . it is designed for a wide range of applications, from military to commercial communication systems. the circuit is manufac tured 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 main electrical characteristics tamb. = + 25c symbol parameter min typ max unit freq frequency range dc 35 ghz il insertion loss 4.5 db rms_att_er rms of attenuation error 0.2 db dyn dynamic 15 db
cht3029 - 99f dc - 35ghz 4 bit digital attenuator ref. : dscht30294330 - 26 nov 14 2 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villeb on - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 electrical characteristics tamb. = + 25c , v + = + 5 v v - = - 5 v symbol parameter min typ max unit freq frequency range dc 35 ghz il insertion loss 4.5 db s11 input return loss 12 db s22 output return loss 14 db i p1db input power at 1db gain compression 20 db m dyn dynamic 15 db lsb attenuator elementary step 1 db att_er r attenuation error 0.5 db rms_att_ er r rms attenuation error 0.2 db phivar phase variation - 5/+20 rms_phi var rms phase variation 12 sw_t switching time 15 ns v+ positive supply voltage 5 v v - negative supply voltage - 5 v vctrl_l control voltage low level 0 0.4 v vctrl_h control voltage high level 2.4 7 v i_v+ positive supply dc current 5 ma i_v - negative supply dc current 5 ma these values are representative measurements in test fixture with bonding wire s of typically 0. 2 nh at rf accesses. absolute maximum ratings (1) tamb.= +25c symbol parameter values unit v+ maximum positive voltage 8 v v - minimum negative voltage - 8 ma ai ctrl voltage (vctrl _low, vctrl _high) - 2 to 8 v pin maximum input power 27 dbm tj junction temperature 175 c ta operating temperature range - 40 to +85 c tstg storage temperature range - 55 to +15 0 c (1) operation of this device above anyone of these parameters may cause permanent damage.
dc - 35ghz 4 bit digital attenuator cht3029 - 99f ref. : dscht30294330 - 26 nov 14 3 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 definitions n: attenuator state index with 0 ? ? attenuation error ( att_err ) att_err(n)= db_s21 ( n) - db_s21 ( 0) C x n (db) the translation of att_err (n) from db to linear is given by: att_err_lin(n) = phase variation ( phivar ) phi var(n) = phase_s21 ( n) - phase_s21( 0) () rms attenuation error (rms_att _err ) rms_att _err = (db) rms phase variation ( rms_phivar) rms_phivar = () ? ? ? ? ? ? ? ? ? ? ? ? 15 0 2 )) ( _ _ 1 ( . 16 1 1 log 20 n n lin err att 16 )) var( ( 15 0 2 ? ? n n phi 20 ) ( _ 10 n err att
cht3029 - 99f dc - 35ghz 4 bit digital attenuator ref. : dscht30294330 - 26 nov 14 4 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villeb on - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical bias conditions tamb.= +25c symbol pad n o parameter values unit a1 2 control voltage of attenuator bit 1 0 / +3.3 or +5 v a2 3 control voltage of attenuator bit 2 0 / +3.3 or +5 v a3 4 control voltage of attenuator bit 3 0 / +3.3 or +5 v a4 5 control voltage of attenuator bit 4 0 / +3.3 or +5 v v + 8 positive biasing voltage +5 v v - 7 n egative biasing voltage C attenuator control table voltage to apply on pads a1 to a4 state att (db) a4 (v) a3 (v) a2 (v) a1 (v) 0 0 0 0 0 0 1 1 0 0 0 3.3 2 2 0 0 3.3 0 3 3 0 0 3.3 3.3 4 4 0 3.3 0 0 5 5 0 3.3 0 3.3 6 6 0 3.3 3.3 0 7 7 0 3.3 3.3 3.3 8 8 3.3 0 0 0 9 9 3.3 0 0 3.3 10 10 3.3 0 3.3 0 11 11 3.3 0 3.3 3.3 12 12 3.3 3.3 0 0 13 13 3.3 3.3 0 3.3 14 14 3.3 3.3 3.3 0 15 15 3.3 3.3 3.3 3.3
dc - 35ghz 4 bit digital attenuator cht3029 - 99f ref. : dscht30294330 - 26 nov 14 5 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical on - wafer sij parameters tamb.= +25c, v + = 5v / v - = - 5v / state=0 freq (ghz) s11 (db) phs11 () s12 (db) phs12 () s21 (db) phs21 () s22 (db) phs22 () 1 - 17.93 - 12.28 - 1.94 - 15.55 - 1.95 - 15.43 - 17.49 - 8.43 2 - 17.77 - 25.59 - 2 - 30.45 - 2 - 30.28 - 17.56 - 18.14 3 - 17.59 - 38.73 - 2.05 - 45.39 - 2.05 - 45.19 - 17.75 - 27.17 4 - 17.43 - 50.85 - 2.1 - 60.17 - 2.1 - 60.06 - 18.02 - 35.54 5 - 17.28 - 62.55 - 2.16 - 75.13 - 2.16 - 74.94 - 18.28 - 43 6 - 17.17 - 73.11 - 2.22 - 89.89 - 2.23 - 89.81 - 18.54 - 49.59 7 - 17.11 - 83.64 - 2.29 - 104.81 - 2.29 - 104.65 - 18.78 - 55.74 8 - 17.05 - 93.17 - 2.36 - 119.55 - 2.36 - 119.45 - 18.93 - 61.74 9 - 17.13 - 102.36 - 2.43 - 134.42 - 2.43 - 134.23 - 19.06 - 68.09 10 - 17.4 - 111.2 - 2.5 - 149.25 - 2.51 - 148.96 - 19.33 - 74.92 11 - 17.86 - 120.15 - 2.58 - 164.12 - 2.57 - 163.77 - 19.67 - 82.08 12 - 18.46 - 128.81 - 2.65 - 179.07 - 2.65 - 178.73 - 20.53 - 88.34 13 - 18.94 - 132.89 - 2.74 166.19 - 2.73 166.42 - 20.66 - 92.09 14 - 20.89 - 140.47 - 2.82 151.08 - 2.81 151.24 - 23.19 - 93.58 15 - 24.11 - 143.82 - 2.9 135.86 - 2.91 136 - 26.53 - 81.55 16 - 29.51 - 127.35 - 3.01 120.33 - 3.02 120.59 - 27.24 - 43.86 17 - 29.52 - 64.64 - 3.15 105.15 - 3.14 105.18 - 23.34 - 22.61 18 - 23.23 - 47.71 - 3.31 89.56 - 3.32 89.78 - 19.46 - 20.22 19 - 19.53 - 50.82 - 3.47 74.33 - 3.51 74.42 - 16.7 - 26.03 20 - 17.12 - 57.9 - 3.67 58.58 - 3.68 59.4 - 14.92 - 34.21 21 - 15.01 - 66.57 - 3.9 43.71 - 3.87 43.77 - 13.46 - 44.23 22 - 13.82 - 77.18 - 4.11 28.36 - 4.1 28.56 - 12.44 - 54.33 23 - 13.06 - 86.4 - 4.32 13.04 - 4.33 13.3 - 11.83 - 64.16 24 - 12.75 - 95.03 - 4.54 - 2.24 - 4.53 - 1.83 - 11.56 - 72.84 25 - 12.81 - 101.68 - 4.77 - 17.35 - 4.78 - 17.04 - 11.61 - 80.74 26 - 12.94 - 109.49 - 4.97 - 32.46 - 4.97 - 32.18 - 11.75 - 86.94 27 - 13.74 - 115.02 - 5.13 - 47.55 - 5.14 - 47.29 - 12.29 - 90.94 28 - 14.82 - 116.72 - 5.29 - 63.03 - 5.3 - 62.73 - 12.69 - 91.53 29 - 16.1 - 110.75 - 5.44 - 78.66 - 5.45 - 78.61 - 12.88 - 90.52 30 - 16.77 - 97.38 - 5.65 - 94.85 - 5.66 - 94.58 - 12.63 - 90.06 31 - 15.16 - 83.58 - 5.86 - 111.14 - 5.88 - 110.79 - 12.16 - 90.83 32 - 12.78 - 77.91 - 6.14 - 127.63 - 6.15 - 126.95 - 11.59 - 92.37 33 - 11 - 82.34 - 6.48 - 143.89 - 6.47 - 143.4 - 11.19 - 95.25 34 - 9.5 - 86.41 - 6.79 - 160.21 - 6.78 - 159.72 - 10.9 - 97.57 35 - 8.27 - 93.8 - 7.14 - 176.1 - 7.14 - 175.71 - 10.62 - 101.52 36 - 7.62 - 100.81 - 7.41 167.62 - 7.41 168.04 - 10.63 - 103.87 37 - 7.21 - 105.84 - 7.7 151.25 - 7.72 151.58 - 10.85 - 104.31 38 - 7.1 - 111.46 - 7.91 134.39 - 7.88 134.98 - 11.07 - 103.23 39 - 6.51 - 115.07 - 8.25 117.23 - 8.25 117.59 - 10.77 - 100.78 40 - 6.57 - 118.62 - 8.54 99.4 - 8.52 99.79 - 10.19 - 98.29
cht3029 - 99f dc - 35ghz 4 bit digital attenuator ref. : dscht30294330 - 26 nov 14 6 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villeb on - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c, v+ = +5v, v - = - 5v insertion loss (attenuator state 0) input return loss all states output return loss all states
dc - 35ghz 4 bit digital attenuator cht3029 - 99f ref. : dscht30294330 - 26 nov 14 7 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c, v+ = +5v, v - = - 5v attenuation error versus frequency all states attenuation error versus states 2 ghz < frequency < 35 g h z rms attenuation error versus frequency attenuation versus states 2 ghz < frequency < 35 g h z
cht3029 - 99f dc - 35ghz 4 bit digital attenuator ref. : dscht30294330 - 26 nov 14 8 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villeb on - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c, v+ = +5v, v - = - 5v phase variation versus frequency all states phase variation versus states 2 ghz < frequency < 35 g h z rms of phase variation versus frequency
dc - 35ghz 4 bit digital attenuator cht3029 - 99f ref. : dscht30294330 - 26 nov 14 9 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 mechanical dimensions and pad allocation all dimensions are in micrometers chip size = 2610 x 1560 35m chip thickness = 100m +/ - 10m. rf pads (1 , 9) = 200 x 100m2 dc and control pads ( 2, 3, 4, 5, 6, 7, 8,) = 100 x 100m2 pin number pad name description 1 in input rf 2 a1 attenuator bit 1 3 a2 attenuator bit 2 4 a3 attenuator bit 3 5 a4 attenuator bit 4 7 v ss - 5 v supply voltage: interface 8 v cc +5v supply voltage: interface 9 out output rf 6 gnd nc
cht3029 - 99f dc - 35ghz 4 bit digital attenuator ref. : dscht30294330 - 26 nov 14 10 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villeb on - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 recommended assembly diagram . recommended circuit bonding table label type decoupling comment 1, 9 rf external dc block must be used to ensure dc decoupling input and out put accesses 2, 3, 4, 5 vctrl not required bit control pads 7 v - 1 0n f negative supply 8 v + 1 0 n f positive supply pads connections 1, 9 inductance (lbonding) < 0. 2 nh two wires: diameter 25m, length < 300 m 2, 3, 4, 5, 7, 8 inductance (lbonding) = 0.8nh one wire: diameter 25m, length 1mm c=10 nf 1 2 3 4 5 6 7 8 9
dc - 35ghz 4 bit digital attenuator cht3029 - 99f ref. : dscht30294330 - 26 nov 14 11 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 notes
cht3029 - 99f dc - 35ghz 4 bit digital attenuator ref. : dscht30294330 - 26 nov 14 12 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villeb on - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 recommended esd management refer to the application note an0020 available at http://www.ums - gaas.com for esd sensitivity and handling recommendations for the ums products. recommended environmental management ums products are compliant with the regulation in particular with the directives rohs n2011/65 and reach n1907/2006. more environmental data are available in the application note an0019 also available at http://www.ums - gaas.com . ordering information chip form : cht3029 - 99f /00 information furnished is believed to be accurate and 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 implication or otherwise under any patent or patent rights of united monolithic semiconductors s.a.s. . specifications mentioned in thi s publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. united monolithic semiconductors s.a.s. products are not authorised for use as critical components in life support devices or systems without express written approval from united monolithic semiconductors s.a.s.

▲Up To Search▲

Price & Availability of CHT3029-99F

	To Download CHT3029-99F Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .