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04/2010 ABA3130 50-1100 mhz low noise amplifer/ attenuator with gain control preliminary d a t a sheet - r ev 1.2 s26 package 12 pin qfn 3 mm x 3 mm x 1 mm fea tures ? -33 to +5 db gain (user adjustable) ? accepts single-ended or differential inputs ? differential output ? high linearity, low distortion ? 37 db of gain control range ? wideband operation: to above 1.1 ghz ? 4.5 db typical noise figure at 5 db gain ? single +5 v supply ? rohs compliant/lead-free package ? 3 mm x 3 mm x 1 mm qfn package applica tions ? catv digital set top boxes ? television receiver front-ends ? replacement for passive balun with separate gain stage product description the ABA3130 is a low noise amplifer with gain control that accepts a single-ended or differential rf input in the 50 mhz to 1.1 ghz frequency range and provides a balanced rf output with minimal degradation in signal quality. this highly integrated device amplifes the input signal using a highly linear, low noise amplifcation stage. alternately, it can be used as a signal attentuator using the appropriate gain/attenuation control voltage. the overall linearity is maintained across a wide gain figure 1: functional block diagrams control range, ensuring low distortion effects on the output signal. requiring a single +5 v supply, the ABA3130 design is implemented using anadigics own high-reliability gaas mesfet process. the small, surface mount qfn packaging makes this device ideal for use in cable tv set-top boxes, television receiver front-ends, and other low noise applications. the device is characterized for both 75 v and 50 v systems. ABA3130 single ended input (no balun required) differential input rf input rf output + rf output - gnd gain/ attenuation contr ol bias suppl y rf input + rf output + rf output - gnd gain/ attenuation contr ol bias suppl y rf input -
2 preliminary data sheet - rev 1.2 04/2010 10 e 1: esto e 2: ot o e n n n 1 4 2 10 11 12 n e n n n 1 2 n n n 1 rf in+ rf input (+) 2 rf in- rf input (-) 3 gnd ground 4 gnd ground 5 rf out+ rf output (+) 6 rf out- rf output (-) 7 v agc gain/attenuation control 8 gnd ground 9 v dd supply voltage 10 gnd ground 11 v bias1 bias1 voltage 12 v bias2 bias2 voltage
preliminary data sheet - rev 1.2 04/2010 ABA3130 3 elect rical characteristics t able 2: absolute minimum and maximum ratings s tresses in excess of the absolute ratings may cause permanent damage. functional operation is not implied under these conditions. exposure to absolute ratings for extended periods of time may adversely affect reliability. t able 3: operating ranges t he device may be operated safely over these conditions; however, parametric performance is guaranteed only over the conditions defned in the electrical specifcations. parameter min max unit comments supply voltage (v cc ) +8 v agc input voltage (v agc ) +5 v rf input power (p in ) +25 dbmv parameter min typ max unit comments operating frequency (f) supply voltage (v dd ) +3.3 +5.0 +5.5 v agc input voltage (v agc ) +5 v rf input power (p in ) +15 dbmv case temperature (t c ) -40 +85 c
4 preliminary data sheet - rev 1.2 04/2010 ABA3130 table 4: electrical specifcations - 75 ? system (t c = +25 c, v dd = +5 v, i dd = 80 ma) notes: (1) 79 fat analog channels at +15 dbmv input power, plus 53 digital channels at +9 dbmv input power, and an output power of -7 dbmv. parameter min typ max unit comments gain at maximum v agc 4 4.3 db gain at maximum v agc 2.8 db at 853 mhz gain at minimum v agc -41 -33 -30 db gain flatness 2 db agc input voltage (v agc ) 0.3 3.0 v max. gain at +3 v noise figure at maximum gain 4.5 db v agc = +3 v ctb (1) -63 dbc cso (1) -48 dbc xmod (1) -63 dbc reverse isolation -30 db input return loss -13 db 75 n , single-ended output return loss -13 db 75 n , differential supply current (i dd )
preliminary data sheet - rev 1.2 04/2010 ABA3130 5 table 5: electrical specifcations - 50 ? system (t c = +25 c, v dd = +5 v, i dd = 78 ma) parameter min typ max unit comments gain at maximum v agc 4.2 db at 450 mhz gain at minimum v agc -34 db at 450 mhz gain flatness ? db agc input voltage (v agc ) 0.3 3.0 v max. gain at +3 v noise figure at maximum gain 4.2 5.5 db v agc = +3.0 v oip 3 15.5 15.0 dbm dbm two tones: 510 and 511 mhz two tones: 860 and 861 mhz p out per tone = -5 dbm oip 2 51.0 48.6 dbm dbm two tones: 222 and 228 mhz two tones: 427 and 433 mhz p out per tone = -5 dbm p1db (output power at 1db compression) 8.3 dbm at 450 mhz, v agc = 3.0 v notes: v m ? m
6 preliminary data sheet - rev 1.2 04/2010 10 -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 0 1 00 20 0 3 00 40 0 5 00 60 0 7 00 800 90 0 1 00 0 1 10 0 mhz 22 0 06 10 1 18 22 26 0 -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 5 0 100 20 0 3 00 40 0 5 00 60 0 7 00 800 900 100 0 1 10 0 mhz 21 a 0 06 10 1 18 22 26 0 ma a a - 5 v -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 0 1 00 20 0 3 00 400 500 60 0 7 00 800 90 0 1 00 0 1 10 0 mhz 11 t t o -7 0 -6 5 -6 0 -5 5 -5 0 -4 5 -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 0 3 00 60 0 9 00 1200 150 0 1 80 0 2 10 0 2 40 0 2 70 0 3 00 0 mhz 12 oato 3. 0 3. 5 4. 0 4. 5 5. 0 5. 5 6. 0 0 1 00 20 0 3 00 400 500 600 70 0 8 00 90 0 1 00 0 mhz o -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 5 0. 0 0 .5 1. 0 1 .5 2. 0 2 .5 3. 0 a ota a
preliminary data sheet - rev 1.2 04/2010 ABA3130 7 figure 9: ctb vs. frequency (t c = +25 c, v dd = +5 v, 132 channels, +15 dbmv input, +6dbmv output) figure 10 cso vs. frequency (t c = +25 c, v dd = +5 v, 132 channels, +15 dbmv input, +6dbmv output) figure 11: gain flatness at v agc = 0 v (t c = +25 c, v cc = +5 v) figure 12: gain flatness at v agc = +3 v (t c = +25 c, v dd = +5 v) -8 0 -7 -7 -7 4 -7 -7 4 300 40 700 frequenc y (mhz ) ctb (dbc ) -8 0 -7 -7 -7 4 -7 -7 4 300 40 700 frequenc y (mhz ) cso (dbc) -3 -3 7 -3 -3 -3 4 -3 3 -3 300 40 700 frequenc y (mhz) s21 (db) 0 1 2 3 4 300 40 700 frequenc y (mhz) s21 (db)
8 preliminary data sheet - rev 1.2 04/2010 10 n 0 v note: 50 v characterization is for reference only. part is not tested at 50 v in production. -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 5 0 1 00 20 03 00 40 05 00 60 07 00 80 09 00 1000 1100 mhz t t o 15 oato 12 o a 25 o 5 -5 0 -4 5 -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 0 1 00 20 03 00 40 05 00 60 07 00 80 09 00 1000 1100 mhz oato 0v 1.0v 2.0v 3.0v -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 0 1 00 20 0 3 00 40 0 5 00 60 0 7 00 80 0 9 00 1000 1100 mhz tt t o 0v 1.0v 2.0v 3.0v 0.00 1.00 2.00 3.00 4.00 5.00 6.00 0 200 40 0 6 00 800 1000 mhz a 3.00 4.00 5.00 6.00 7.00 8.00 9.00 gain nf -3 6 -3 1 -2 6 -2 1 -1 6 -1 1 -6 -1 4 0 1 00 20 0 3 00 40 0 5 00 60 0 7 00 80 0 9 00 1000 1100 mhz a 0v 1.0v 2.0v 3.0v
preliminary data sheet - rev 1.2 04/2010 ABA3130 9 applica tion informa tion figure 18: t est circuit *note: c1 & l3 are required for matching to a 75 v low cost f connector at the rf input. higher quality connectors may not require such matching. parts list c1: 0.5 pf c2-c9: 0.1 m f l1, l2: 470 nh l3: 9.5 nh (75 v input matching) 5.6 nh (50 v input matching) r1, r2: 150 v t1: balun (see detail, figure 14)
10 preliminary data sheet - rev 1.2 04/2010 10 e 1: et t 0024 notes: ferrite core: fair-rite #2843002702 wire: mws wire ind. #t-2361429-20 balun winding - 3 1/2 turns through core
preliminary data sheet - rev 1.2 04/2010 ABA3130 11 package ou tline figure 15: s26 package outline - 12 pin 3 mm x 3 mm x 1 mm qfn
w arning anadigics products are not intended for use in life support appliances, devices or systems. use of an anadigics product in any such application without written consent is prohibited. import ant notice anadigics, inc. 141 mount bethel road warren, new jersey 07059, u.s.a. tel: +1 (908) 668-5000 fax: +1 (908) 668-5132 url: http://www.anadigics.com anadigics, inc. reserves the right to make changes to its products or to discontinue any product at any time without notice. the product specifcations contained in advanced product information sheets and preliminary data sheets are subject to change prior to a products formal introduction. information in data sheets have been carefully checked and are assumed to be reliable; however, anadigics assumes no responsibilities for inaccuracies. anadigics strongly urges customers to verify that the information they are using is current before placing orders. preliminary data sheet - rev 1.2 04/2010 12 ABA3130 ordering informa tion order number temperature range package description component packaging ABA3130rs26q1 -40 c to +85 c rohs compliant 12 pin 3 mm x 3 mm x 1 mm qfn package tape and reel, 1000 pieces per reel

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