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| RF AMPLIFIER MODEL TM7281 Features ! High Gain: 25.5 dB Typical ! Low Noise Figure: 2.4 dB Typical ! Operating Temp. - 55 C to +85 C ! Environmental Screening Available Available as: TM7281, 4 Pin TO-8 (T4) TN7281, 4 Pin Surface Mount (SM3) FP7281, 4 Pin Flatpack (FP4) BX7281,Connectorized Housing (H1) Typical Intermodulation Performance at 25 C Second Order Harmonic Intercept Point .......+40 dBm (Typ.) Second Order Two Tone Intercept Point ........+35 dBm (Typ.) Third Order Two Tone Intercept Point.............+31 dBm (Typ.) Specifications CHARACTERISTIC Frequency Gain (dB) Power @ 1 dB Comp. (dBm) Reverse Isolation (dB) VSWR In Out TYPICAL Ta= 25 C 10-300 MHz 25.5 +17.5 -32 <1.5:1 <1.75:1 2.4 +15 30 MIN/MAX Ta = -55 C to +85 C 20-250 MHz 23 Min. +15.5 Min. -30 Max. 2.0:1 Max. 2.0:1 Max. 3.3 Max. +15 Min. 33 Max. Maximum Ratings Ambient Operating Temperature .............. -55C to + 100 C Storage Temperature ............................... -62C to + 125 C Case Temperature ................................................. + 125 C DC Voltage ......................................................... + 18 Volts Continuous RF Input Power ................................. + 10 dBm Short Term RF Input Power ...... 50 Milliwatts (1 Minute Max.) Maximum Peak Power .................... 0.5 Watt (3 sec Max.) Noise Figure (dB) Power Vdc mA Note: Care should always be taken to effectively ground the case of each unit. Typical Performance Data Gain (dB) 27 26 25 24 23 Start 20 MHz Stop 250 MHz 0 - 10 - 20 - 30 - 40 Reverse Isolation (dB) 3 2 1 Start 20 MHz Stop 250 MHz Start 20 MHz Noise Figure (dB) Stop 250 MHz 1 dB Comp. (dBm) +19 +18 +17 +16 +15 Start 20 MHz Stop 250 MHz 2.0 1.5 1.0 Start 20 MHz Input VSWR 2.0 1.5 1.0 Stop 250 MHz Start 20 MHz Output VSWR Stop 250 MHz Legend + 25 C + 85 C - - - - - - -55 C Spectrum Microwave * 2144 Franklin Drive N.E. * Palm Bay, Florida 32905 * PH (888) 553-7531 * Fax (888) 553-7532 6/30/04 www.spectrummicrowave.com Spectrum Microwave (Europe) * 2707 Black Lake Place * Philadelphia, Pa. 19154 * PH (215) 464-4000 * Fax (215) 464-4001 |
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