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| rev. 4/06 AC251 Typical Values 10 TO 200 MHz TO-8 CASCADABLE AMPLIFIER AC251 Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 dB Medium Output Power . . . . . . . . . . . . . . . . . . . . . . . . +13.2 dBm High Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 mA Current Drain High Performance Thin Film Standard Size TO-8 Package AC251 TO-8 Package for Amplifiers 0.450 (11.43) DIA. 0.208 (5.28) MAX. 0.185 0.015 (4.70 0.38) 0.018 0.002 DIA. PIN (0.46 0.05) (4) PLCS 0.504 (12.80) DIA. 50 OHM INPUT GROUND 50 OHM OUTPUT 0.025 (0.64) SPECIFICATIONS* Parameter Frequency (Min.) Small Signal Gain (Min.) Gain Flatness (Max.) 20-200 MHz 10-200 MHz Noise Figure (Max.) SWR (Max.) Input/Output Typical 10-250 MHz 8.0 dB Guaranteed 0 to 50 C -55 to +85 C 10-200 MHz 7.5^ dB 10-200 MHz 7.0^ dB 0.033 (0.84) 0.031 (0.79) 45 3 +DC VOLTAGE 0.300 (7.62) DIA. B.C. 0.2 dB 0.2 dB 1.2 dB <1.4:1 0.3 dB 0.6 dB 1.7 dB 1.5:1 0.4 dB 0.7 dB 2.2 dB 1.7:1 Power Output (Min.) @ 1 dB comp. DC Current (Max.) +13.2 dBm 11.0 mA +12.0 dBm 14.0 mA +11.5 dBm 17.0 mA AS251 * Measured in a 50-ohm system at +5 Vdc unless otherwise specified. ^ 0.5 dB lower below 20 MHz. 0.3 higher below 20 MHz. SMTO-8 Package for Amplifiers 0.450 (11.43) 0.225 (5.72) DETAIL A (NO SCALE) DC BIAS 0.016 0.002 0.010 0.002 INTERMODULATION PERFORMANCE Typical @ 25 C +5 volts +54 dBm +49 dBm +30 dBm +8 volts +58 dBm +52 dBm +33 dBm 0 50 INPUT 0.250 (6.35) 0.450 (11.43) GND 0.016 0.002 (0.41 0.05) (4) PLCS 50 OUTPUT Second Order Harmonic Intercept Point . . . . . Second Order Two Tone Intercept Point. . . . . . Third Order Two Tone Intercept Point. . . . . . . . 0 0.008 0.012 ABSOLUTE MAXIMUM RATINGS Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to +125 C +125 C Maximum Case Temperature . . . . . . . . . . . . . . . . . . . . . . . . Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +9 Volts +13 dBm Maximum Continuous RF Input Power . . . . . . . . . . . . . . . . Maximum Short Term Input Power (1 Minute Max.) . . . . . . 200 Milliwatts Maximum Peak Power (3 sec Max.) . . . . . . . . . . . . . . . . . . 0.5 Watt Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125 C +69 C/Watt Thermal Resistance1 (jc) . . . . . . . . . . . . . . . . . . . . . . . . . . Junction Temperature Rise Above Case (Tjc) . . . . . . . . . . +4.8 C 1 .0.075 (1.91) 0.225 (5.72) SEE DETAIL "A" 0 0.075 (1.91) 0.200 (5.08) 0.350 (8.89) 0.450 (11.43) 0.375 (9.53) 0.040 0.012 (1.02 0.30) (4) PLCS 0.050 (1.27) (4) PLCS 0.100 (2.54) (4) PLCS 0.170 (4.32) 0 0.031 (0.79) 0.031 (0.79) 0.010 (TYP.) (0.25) 45 0.008 0.001 (0.20 0.03) Thermal resistance is based on total power dissipation. DIMENSIONS ARE IN INCHES (MILLIMETERS) 408-522-3838 * Fax:408-522-3839 * Check for updates:www.teledyne-cougar.com A AC251 TYPICAL PERFORMANCE Gain vs Temperature Vcc = 5 9.0 GAIN - dB 8.0 7.0 6.0 5.0 5 10 30 50 100 150 200 FREQUENCY - MHz 250 300 350 KEY: +25 C +85 C -55 C Model: AC251 FREQ MHZ 5 10 20 50 100 200 300 SWR IN 1.12 1.09 1.08 1.07 1.06 1.03 1.29 TYPICAL AUTOMATIC TEST DATA SWR OUT 1.13 1.10 1.09 1.09 1.12 1.17 1.29 Vcc=+5V GAIN PHASE DB DEG 7.97 10 8.13 3 8.19 -2 8.20 -13 8.14 -27 8.17 -56 8.22 -88 GROUP DELAY NSEC Icc=10.76 REV/ISO DB -11.0 -10.9 -10.8 -10.8 -11.0 -11.4 -12.0 1.6 0.97 0.81 0.8 0.88 NOISE FIGURE - dB Noise Figure 3.0 2.0 1.0 0.0 5 10 30 50 100 150 200 FREQUENCY - MHz 250 300 350 +8 V +5 V Model: AC251 FREQ. MHz 5 10 20 50 100 200 300 Model: AC251 FREQ MHZ 5 10 20 50 100 200 300 S11 MAG 0.06 0.04 0.04 0.03 0.03 0.02 0.13 ANG 152.4 152.1 148.2 133.8 109.4 156.5 179.8 LINEAR S-PARAMETERS Vcc=+5V S21 S12 MAG ANG MAG ANG 2.50 10.1 0.281 10.4 2.55 3.2 0.287 3.3 2.57 -2.5 0.288 -2.4 2.57 -13.0 0.287 -12.4 2.55 -27.5 0.282 -26.6 2.56 -56.2 0.270 -54.6 2.58 -87.9 0.250 -85.3 Vcc=+8V GAIN PHASE DB DEG 7.74 16 7.98 6 8.11 -1 8.16 -12 8.14 -26 8.16 -55 8.23 -86 Icc=10.76 S22 MAG ANG 0.06 165.4 0.05 156.1 0.04 146.9 0.04 127.5 0.06 108.2 0.08 101.8 0.13 136.5 Icc=19.78 REV/ISO DB -11.2 -11.0 -10.9 -10.9 -11.0 -11.4 -12.1 Power Output at 1 dB Compression 20.0 OUTPUT POWER - dBm 18.0 16.0 14.0 12.0 10.0 5 10 30 50 100 150 200 FREQUENCY - MHz 250 300 350 +8 V +5 V SWR IN 1.34 1.22 1.17 1.13 1.11 1.07 1.30 SWR OUT 1.34 1.23 1.18 1.16 1.18 1.23 1.29 GROUP DELAY NSEC 1.9 1.0 0.81 0.79 0.86 Intercept Point Vcc = 8 70 INTERCEPT POINT - dBm 60 50 40 30 20 10 5 10 30 50 100 150 200 FREQUENCY - MHz 250 300 350 IP 3 IP 2 2nd HAR Model: AC251 FREQ. MHz 5 10 20 50 100 200 300 S11 MAG 0.14 0.10 0.08 0.06 0.05 0.04 0.13 ANG 137.4 141.3 143.2 137.8 122.3 135.5 171.7 LINEAR S-PARAMETERS Vcc=+8V S21 S12 MAG ANG MAG ANG 2.44 15.5 0.275 15.9 2.51 6.2 0.282 6.4 2.54 -0.6 0.285 -0.5 2.56 -11.8 0.286 -11.5 2.55 -26.4 0.281 -26.1 2.56 -55.0 0.269 -54.2 2.58 -86.1 0.250 -84.9 Icc=19.78 S22 MAG ANG 0.15 145.8 0.10 143.2 0.08 141.0 0.07 128.6 0.08 110.8 0.10 97.0 0.13 123.9 Intercept Point Vcc = 5 70 INTERCEPT POINT - dBm 60 50 IP 2 40 IP 3 30 20 10 5 10 30 50 100 150 200 FREQUENCY - MHz 250 300 350 2nd HAR PHASE NOISE dBc/Hz -110 -120 -130 -140 Amplifier Phase Noise Po =19.5 dBm / Freq.=200 MHz AC251 -150 -160 -170 10 100 1000 10000 100000 OFFSET FREQUENCY - Hz 1000000 Noise Floor 408-522-3838 * Fax:408-522-3839 * Check for updates:www.teledyne-cougar.com |
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