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| to-8 package for amplifiers rev. 10/00 100-400 mhz 48 2001 408-522-3838 ?fax 408-522-3839 ?www.cougarcorp.com ac251 10 to 200 mhz to-8 cascadable amplifier ac251 specifications typical values ac251 low noise figure . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 db medium output power . . . . . . . . . . . . . . . . . . . . . . +13.2 dbm high efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 ma current drain high performance thin film to-8 package small signal gain (min.) 8.0 db 7.5 db 7.0 db gain flatness (max.) 0.2 db 0.3 db 0.4 db noise figure (max.) 1.2 db 1.7 db 2.2 db swr (max.) input/output <1.4:1 1.5:1 1.7:1 power output (min.) @ 1 db comp. +13.2 dbm +12.0 dbm +11.5 dbm dc current (max.) 11.0 ma 14.0 ma 17.0 ma guaranteed* parameter typical 0 to 50 c -55 to +85 c frequency (min.) 10-250 mhz 10-200 mhz 10-200 mhz typical @ 25 c +5 volts +8 volts second order harmonic intercept point . . . . . 54 dbm 58 dbm second order two tone intercept point . . . . . 49 dbm 52 dbm third order two tone intercept point . . . . . . . 30 dbm 33 dbm storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to 125 c maximum case temperature . . . . . . . . . . . . . . . . . . . . . . . +125 c maximum dc voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 volts maximum continuous rf input power . . . . . . . . . . . . . . . +13 dbm maximum short term input power (1 minute max.) . . . . . . 50 milliwatts maximum peak power (3 sec max.) . . . . . . . . . . . . . . . . . 0.5 watt burn-in temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125 c thermal resistance 1 ( jc) . . . . . . . . . . . . . . . . . . . . . . . . . +69 c/watt junction temperature rise above case (tjc) . . . . . . . . . . +4.8 c 1 thermal resistance is based on total power dissipation. intermodulation performance absolute maximum ratings * measured in a 50-ohm system at +5 vdc unless otherwise specified. dimensions are in inches (millimeters) 50 ohm input +dc voltage 0.031 (0.79) 50 ohm output ground 45 3 0.033 (0.84) 0.018 0.002 (0.46 0.05) (4) plcs 0.300 (7.62) dia. b.c. 0.504 (12.80) dia. 0.025 (0.64) 0.450 (11.43) dia. 0.208 (5.28) max. 0.185 0.015 (4.70 0.38) dia. pin 0 50 ? input 0.250 (6.35) 0.450 (11.43) 0 0.075 (1.91) 0.350 (8.89) 0.200 (5.08) 0.450 (11.43) 0 0.225 (5.72) 0.450 (11.43) 0 .0.075 (1.91) 0.225 (5.72) 0.375 (9.53) 50 ? output 0.040 0.012 (1.02 0.30) (4) plcs dc bias 0.016 0.002 (0.41 0.05) (4) plcs gnd 0.050 (1.27) (4) plcs 0.100 (2.54) (4) plcs 0.010 (0.25) 0.008 0.001 (0.20 0.03) 0.170 (4.32) (typ.) 0.031 (0.79) 0.031 (0.79) 45 0.016 0.002 0.010 0.002 0.008 0.012 see detail "a" detail a (no scale) smto-8 package for amplifiers AS251
49 2001 408-522-3838 fax 408-522-3839 www.cougarcorp.com gain - db frequency - mhz 5 10 30 50 100 150 200 250 300 350 gain vs temperature vcc = 5 3.0 2.0 1.0 0.0 noise figure - db noise figure key: +25 c +85 c -55 c 20.0 18.0 16.0 14.0 12.0 10.0 output power - dbm power output at 1 db compression 70 60 50 40 30 20 10 intercept point - dbm intercept point vcc = 8 frequency - mhz frequency - mhz frequency - mhz 2nd har ip 3 ip 2 5 10 30 50 100 150 200 250 300 350 5 10 30 50 100 150 200 250 300 350 5 10 30 50 100 150 200 250 300 350 70 60 50 40 30 20 10 intercept point - dbm intercept point vcc = 5 frequency - mhz 2nd har ip 3 ip 2 5 10 30 50 100 150 200 250 300 350 9.0 8.0 7.0 6.0 5.0 +8 v +5 v +8 v +5 v typical performance typical automatic test data ac251 100-400 mhz model:ac251 vcc=+5v icc=10.76 freq swr swr gain phase group delay rev/iso mhz in out db deg nsec db 5 1.12 1.13 7.97 10 -11.0 10 1.09 1.10 8.13 3 -10.9 20 1.08 1.09 8.19 -2 1.6 -10.8 50 1.07 1.09 8.20 -13 0.97 -10.8 100 1.06 1.12 8.14 -27 0.81 -11.0 200 1.03 1.17 8.17 -56 0.8 -11.4 300 1.29 1.29 8.22 -88 0.88 -12.0 linear s-parameters model:ac251 vcc=+5v icc=10.76 freq. s11 s21 s12 s22 mhz mag ang mag ang mag ang mag ang 5 0.06 152.4 2.50 10.1 0.281 10.4 0.06 165.4 10 0.04 152.1 2.55 3.2 0.287 3.3 0.05 156.1 20 0.04 148.2 2.57 -2.5 0.288 -2.4 0.04 146.9 50 0.03 133.8 2.57 -13.0 0.287 -12.4 0.04 127.5 100 0.03 109.4 2.55 -27.5 0.282 -26.6 0.06 108.2 200 0.02 156.5 2.56 -56.2 0.270 -54.6 0.08 101.8 300 0.13 179.8 2.58 -87.9 0.250 -85.3 0.13 136.5 model:ac251 vcc=+8v icc=19.78 freq swr swr gain phase group delay rev/iso mhz in out db deg nsec db 5 1.34 1.34 7.74 16 -11.2 10 1.22 1.23 7.98 6 -11.0 20 1.17 1.18 8.11 -1 1.9 -10.9 50 1.13 1.16 8.16 -12 1.0 -10.9 100 1.11 1.18 8.14 -26 0.81 -11.0 200 1.07 1.23 8.16 -55 0.79 -11.4 300 1.30 1.29 8.23 -86 0.86 -12.1 linear s-parameters model:ac251 vcc=+8v icc=19.78 freq. s11 s21 s12 s22 mhz mag ang mag ang mag ang mag ang 5 0.14 137.4 2.44 15.5 0.275 15.9 0.15 145.8 10 0.10 141.3 2.51 6.2 0.282 6.4 0.10 143.2 20 0.08 143.2 2.54 -0.6 0.285 -0.5 0.08 141.0 50 0.06 137.8 2.56 -11.8 0.286 -11.5 0.07 128.6 100 0.05 122.3 2.55 -26.4 0.281 -26.1 0.08 110.8 200 0.04 135.5 2.56 -55.0 0.269 -54.2 0.10 97.0 300 0.13 171.7 2.58 -86.1 0.250 -84.9 0.13 123.9 |
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