Available as: RF AMPLIFIER MODEL TM7148 TM7148, 4 Pin TO-8 (T4) TN7148, 4 Pin Surface Mount (SM3) BX7148, Connectorized Housing (H1) Features Typical Intermodulation Performance at 25 ºC* ! ! ! ! Second Order Harmonic Intercept Point ....... +63 dBm (Typ.) Second Order Two Tone Intercept Point ........ +57 dBm (Typ.) Third Order Two Tone Intercept Point ............ +42 dBm (Typ.) Medium Gain: 13.5 dB Typical High Output Power: +25 dBm Typical Operating Temp. -55 ºC to +85 ºC Environmental Screening Available *Measured at 100 MHz. Specifications CHARACTERISTIC Frequency Gain (dB) Power @ 1 dB Comp. (dBm) Reverse Isolation (dB) VSWR In Out Noise Figure (dB) Power Vdc mA TYPICAL Ta= 25 ºC 10 - 350 MHz 13.5 MIN/MAX Ta = -55 ºC to +85 ºC 10 - 250 MHz 12 Min. +25 +23.5 Min. -17.5 -16.5 Max. <1.5:1 <1.5:1 1.8:1 Max. 1.8:1 Max. 3.2 +15 108 4.5 Max. +15 Min. 114 Max. Maximum Ratings Ambient Operating Temperature ................ -55ºC to +100 ºC Storage Temperature .................................-62ºC to +125 ºC Case Temperature .................................................. +125 ºC DC Voltage ......................................................... + 17 Volts Continuous RF Input Power .................................. +15 dBm Short Term RF Input Power ...... 50 Milliwatts (1 Minute Max.) Maximum Peak Power ................... 0.5 Watt (3 µsec Max.) Note: Care should always be taken to effectively ground the case of each unit. Typical Performance Data Gain (dB) -16.5 14 -17.0 13 -17.5 12 -18.0 -18.5 11 Start 10 MHz Noise Figure (dB) Reverse Isolation (dB) 15 Stop 250 MHz 5.0 3.0 1.0 Stop 250 MHz Start 10 MHz 1 dB Comp. (dBm) Start 10 MHz Input VSWR 27 Stop 250 MHz Output VSWR 2.0 2.0 1.5 1.5 26 25 24 23 Stop 250 MHz Start 10 MHz Legend +25 ºC 1.0 1.0 Start 10 MHz Stop 250 MHz Start 10 MHz Stop 250 MHz +85 ºC - - - - - - -55 ºC Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 Rev. 6/10/08 www.SpectrumMicrowave.com Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001