1 / 6 as b inc. sales@asb .co.kr tel: +82 - 42 - 528 - 7223 september 20 12 as f255 5 - 30 00 mhz mmic amplifier parameters units typical frequency mhz 70 150 300 450 900 150 gain db 22.4 22.4 22.2 21.9 21.0 22.1 s11 db - 15.5 - 18 - 18 - 16 - 11 - 18 s22 db - 15.5 - 20 - 20 - 20 - 13 - 20 output ip3 1) dbm 39 42 42 40 38 40 noise figure db 2.2 2.2 2.3 2.3 2.3 2.2 output p1db dbm 22.5 23.0 23.0 23.0 22.5 22.0 current ma 102 102 102 102 102 90 device voltage v 5 5 5 5 5 4.5 1) oip3 is measured with two tones at an output power of +8 dbm/tone separated by 1 mhz. parameters units min typ max testing frequency mhz 150 gain db 22.4 s11 db - 18 s22 db - 20 output ip3 dbm 42 noise figure db 2.2 output p1db dbm 23 current ma 102 device voltage v 5 parameters rating operating case temperature - 40 to + 85 c storage temperature - 40 to + 150 c device voltage +6 v operating junction temper a ture + 150 c input rf power ( c ontinuous) 20 dbm * please find the max. input power data from http://www.as b.co.kr/pdf/maximum_input_power_analysis.pdf feature s description typical perfor m ance absolute maximum ratings 22.4 db gain at 150 mhz 23 dbm p1db at 150 mhz 42 dbm output ip3 at 150 mhz 2.2 db nf at 150 mhz mttf > 100 years single supply minimal external comp o nents the ASF255, a if gain block amplifier mmic, has a high linearity , high gain, and high eff i ciency over a wide range of frequency, being sui t able for use in both receiver and transmitter of tel e communication systems up to 3 ghz . it has an active bias network for stable current over te m perature and process variation. the ampl i fier is available in a n sot - 89 package and passes through the stringent dc, rf, and rel i ability tests product specifications ASF255 package style: sot - 89 application circuit 50 ~ 1000 mhz (5 v) 50 ~ 1000 mhz (4.5 v, 90 ma) 50 ~ 2150 mhz (5 v) 50 ~ 1000 mhz (6 v) pin configuration pin no. function 1 rf in 2 gnd 3 rf out / bias
2 / 6 as b inc. sales@asb .co.kr tel: +82 - 42 - 528 - 7223 september 20 12 as f255 5 - 30 00 mhz mmic amplifier pin no. function 1 rf in 2 gnd 3 rf out / bias mounting recommendation (in mm) outline drawing note : 1. the number and size of ground via holes in a circuit board is critical for thermal and rf grounding consi d erations. 2. we reco mmend that the ground via holes be placed on the bottom of the lead pin 2 and exposed pad of the device for better rf and thermal performance, as shown in the drawing at the left side. esd classification hbm class 2 voltage level : 2000 v mm class b voltage level: 200 v caution: esd - sensitive device! moisture sensitivity level (msl) level 3 at 260 c reflow esd classification & moisture sensitivity level symbols dimensions (in mm) min nom max a 1.40 1.50 1.60 l 0.89 1.04 1.20 b 0.36 0.42 0.48 b1 0.41 0.47 0.53 c 0.38 0.40 0.43 d 4.40 4.50 4.60 d1 1.40 1.60 1.75 e 3.64 --- 4.25 e1 2.40 2.50 2.60 e1 2.90 3.00 3.10 h 0.35 0.40 0.45 s 0.65 0.75 0 .85 e 1.40 1.50 1.60 as f255 pxxxx lot no. part no.
3 / 6 as b inc. sales@asb .co.kr tel: +82 - 42 - 528 - 7223 september 20 12 as f255 5 - 30 00 mhz mmic amplifier 1) oip3 is measured with two tones at an output power of +8 dbm/tone separated by 1 mhz . c 1 = 1 m f l 1 = 330 nh c 2 = 1 m f vs = 5 v rf in rf out c 3 = 100 pf c 4 = 1 m f asf 255 0 200 400 600 800 1000 -30 -25 -20 -15 -10 -5 0 s22 (db) frequency (mhz) 0 200 400 600 800 1000 -25 -20 -15 -10 -5 0 s11 (db) frequency (mhz) 0 200 400 600 800 1000 0 5 10 15 20 25 30 gain (db) frequency (mhz) board layout ( fr4, 40x40 mm 2 , 0.8t) schematic s - parameters & k - factor application circuit frequency (mhz) 70 150 300 450 900 magnitude s21 (db) 22.4 22.4 22.2 21.9 21.0 magnitude s11 (db) - 15.5 - 18 - 18 - 16 - 11 magnitude s22 (db) - 15.5 - 20 - 20 - 20 - 13 output p1db (dbm) 22.5 23.0 23.0 23.0 22.5 output ip3 1) (dbm) 39 42 42 40 38 noise figure (db) 2.2 2.2 2.3 2.3 2.3 device voltage (v) 5 5 5 5 5 device current (ma) 102 102 102 102 102 50 ~ 1000 +5 v 0 500 1000 1500 2000 2500 3000 3500 0 1 2 3 4 5 stability factor frequency (mhz)
4 / 6 as b inc. sales@asb .co.kr tel: +82 - 42 - 528 - 7223 september 20 12 as f255 5 - 30 00 mhz mmic amplifier 1) oip3 is measured with two tones at an output power of +8 dbm/tone separated by 1 mhz. c 1 = 1 m f l 1 = 330 nh c 2 = 1 m f vs = 5 v rf in rf out c 3 = 100 pf c 4 = 1 m f asf 255 r 1 = 5 . 6 w 0 200 400 600 800 1000 -30 -25 -20 -15 -10 -5 0 s22 (db) frequency (mhz) 0 200 400 600 800 1000 0 5 10 15 20 25 30 gain (db) frequency (mhz) 0 200 400 600 800 1000 -25 -20 -15 -10 -5 0 s11 (db) frequency (mhz) board layout ( fr4, 40x40 mm 2 , 0.8t) schematic s - parameters & k - factor application circuit frequency (mhz) 70 150 300 450 900 magnitude s21 (db) 22.2 22.1 21.9 21.7 20.8 magnitude s 11 (db) - 15.5 - 18 - 18 - 16 - 11 magnitude s22 (db) - 15.5 - 20 - 20 - 20 - 13 output p1db (dbm) 21.5 22.0 22.0 22.0 21.0 output ip3 1) (dbm) 37.5 40.0 40.5 38.0 36.0 noise figure (db) 2.2 2.2 2.3 2.3 2.3 device voltage (v) 4.5 4.5 4.5 4.5 4.5 device current (ma) 90 90 90 90 90 50 ~ 1000 +4.5 v, 90 ma 0 500 1000 1500 2000 2500 3000 3500 0 1 2 3 4 5 stability factor frequency (mhz)
5 / 6 as b inc. sales@asb .co.kr tel: +82 - 42 - 528 - 7223 september 20 12 as f255 5 - 30 00 mhz mmic amplifier 1) oip3 is measured with two tones at an output power of +5 dbm/tone separated by 1 mhz. 0 500 1000 1500 2000 2500 -30 -25 -20 -15 -10 -5 0 s22 (db) frequency (mhz) 0 500 1000 1500 2000 2500 0 5 10 15 20 25 gain (db) frequency (mhz) 0 500 1000 1500 2000 2500 -20 -15 -10 -5 0 s11 (db) frequency (mhz) board layout ( fr4, 40x40 mm 2 , 0.8t) schematic s - parameters & k - factor application ci r cuit frequency (mhz) 50 1000 2150 magnitude s21 (db) 18.2 18.4 18.1 magnitude s11 ( db) - 8 - 10 - 14 magnitude s22 (db) - 8 - 17 - 7 output p1db (dbm) 21.5 21.5 20.0 output ip3 1) (dbm) 38 37 34 noise figure (db) 2.5 2.6 3.0 supply voltage (v) 5 5 5 current (ma) 102 102 102 50 ~ 2150 +5 v rf in rf out ASF255 vs=5 v c5=100 pf r1=680 w c3=1 pf l1=270 nh c4=1 nf c1=1 m f c6=1 m f c2=1 m f
6 / 6 as b inc. sales@asb .co.kr tel: +82 - 42 - 528 - 7223 september 20 12 as f255 5 - 30 00 mhz mmic amplifier c1=1 m f l1=330 nh c2=1 m f vs=6 v rf in rf out c3=100 pf c4=1 m f ASF255 0 250 500 750 1000 0 5 10 15 20 25 30 35 gain (db) frequency (mhz) 0 250 500 750 1000 -30 -25 -20 -15 -10 -5 0 s11 (db) frequency (mhz) 0 250 500 750 1000 -25 -20 -15 -10 -5 0 s22 (db) frequency (mhz) 1) oip3 is measured with two tones at an output power of +8 dbm/tone separated by 1 mhz. b oard layout ( fr4, 40x40 mm 2 , 0.8t) schematic s - parameters & k - factor application circuit frequency (mhz) 70 150 300 450 900 magnitude s21 (db) 22.9 22.8 22.7 22.4 21.4 magnitude s11 (db) - 15 - 18 - 18 - 15 - 10 magnitude s22 (db) - 15 - 20 - 20 - 18 - 1 1 output p1db ( dbm) 2 4 2 4 . 5 24.5 24.5 24 .5 output ip3 1) (dbm) 39 .5 42 .5 42 40 .5 38 .5 noise figure (db) 2. 4 2.4 2.5 2.5 2.5 device voltage (v) 6 6 6 6 6 device current (ma) 123 123 123 123 123 50 ~ 1000 +6 v 0 500 1000 1500 2000 2500 3000 3500 0 1 2 3 4 5 stability factor frequency (mhz)
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