PRELIMINARY 5 TO 200 MHz TO-8 CASCADABLE AMPLIFIER AC238 AC238 Typical Values High Gain . . . . . . . . . . . . . . . . Low Noise . . . . . . . . . . . . . . . Medium Output Level . . . . . . High Reverse Isolation . . . . . High Efficiency High Performance Thin Film Standard Size TO-8 Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AC238 32.0 dB 2.6 dB +15.5 dBm +38 dB TO-8 Package for Amplifiers 0.450 (11.43) DIA. 0.025 (0.64) 0.208 (5.28) MAX. 0.185 ± 0.015 (4.70 ± 0.38) SPECIFICATIONS Parameter Typical Frequency (Min.) 5-300 MHz 0.018 ± 0.002 DIA. PIN (0.46 ± 0.05) (4) PLCS Guaranteed* 0 to 50° C -55 to +85° C 5-200 MHz 5-200 MHz Small Signal Gain (Min.) 32.0 dB 31.0 dB 30.0 dB Gain Flatness (Max.) ±0.2 dB ±0.4 dB ±0.7 dB Noise Figure (Max.) 2.6 dB 3.0 dB 3.5 dB 1.1:1 1.3:1 1.4:1 +15.5 dBm +14.5 dBm +14.0 dBm Reverse Isolation 38 dB — — DC Current (Max.) 64 mA 67 mA 69 mA 0.504 (12.80) DIA. GROUND 50 OHM OUTPUT 50 OHM INPUT 0.033 (0.84) Power Output (Min.) @ 1dB comp. 0.300 (7.62) DIA. B.C. AS238 SMTO-8 Package for Amplifiers * Measured in a 50-ohm system at +5 Vdc unless otherwise specified. AC238 0 +54.5 dBm +48.5 dBm +30.0 dBm 50 Ω INPUT Typical @ 25° C Second Order Harmonic Intercept Point. . . . . . . . . . . . . . Second Order Two Tone Intercept Point . . . . . . . . . . . . . . Third Order Two Tone Intercept Point . . . . . . . . . . . . . . . . 0 INTERMODULATION PERFORMANCE 0.450 (11.43) Input/Output 45° ± 3° +DC VOLTAGE 0.225 (5.72) SWR (Max.) 0.031 (0.79) DETAIL A (NO SCALE) DC BIAS 0.016 ± 0.002 0.010 ± 0.002 0.016 ± 0.002 (0.41 ± 0.05) (4) PLCS 0.250 (6.35) 0.008 0.012 50 Ω OUTPUT Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . Maximum Case Temperature . . . . . . . . . . . . . . . . . Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . Maximum Continuous RF Input Power . . . . . . . . . Maximum Short Term Input Power (1 Minute Max.) Maximum Peak Power (3 µsec Max.) . . . . . . . . . . . Burn-in Temperature . . . . . . . . . . . . . . . . . . . . . . . Thermal Resistance1 (θjc) . . . . . . . . . . . . . . . . . . . Junction Temperature Rise Above Case (Tjc) . . . . 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -62 to 125° C +125° C +10 Volts +10 dBm 50 Milliwatts 0.5 Watt +125°C —° C/Watt —° C 0.040 ± 0.012 (1.02 ± 0.30) (4) PLCS 0.375 (9.53) SEE DETAIL "A" 0.225 (5.72) ABSOLUTE MAXIMUM RATINGS 0 GND .0.075 (1.91) 0.450 (11.43) 0.170 (4.32) 0.050 (1.27) (4) PLCS 0 0.075 (1.91) 0.200 (5.08) 0.350 (8.89) 0.450 (11.43) 0.100 (2.54) (4) PLCS 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) 1 408-522-3838 • Fax: 408-522-3839 • Check for updates: www.cougarcorp.com 2003