RF AMPLIFIER MODEL QBS-545 Available as: Features Typical Intermodulation Performance at 25 ºC Second Order Harmonic Intercept Point........+80 dBm (Typ.) Second Order Two Tone Intercept Point.........+76 dBm (Typ.) Third Order Two Tone Intercept Point.............+55 dBm (Typ.) High Output Power: +46 dBm Typical High Third Order Intercept: +55 dBm Typical High Second Order Intercept: +76 dBm Typical Environmental Screening Available Maximum Ratings Specifications CHARACTERISTIC Frequency Gain (dB) Power @ 1 dB Comp. (dBm) Reverse Isolation (dB) VSWR In Out Noise Figure (dB) Power Vdc mA QBS-545, SMA Connectorized Housing TYPICAL Ta= 25 ºC 30 - 512 MHz MIN/MAX Ta = -55 ºC to +85 ºC 30 - 512 MHz 19 17 Min. +46 +44 Min. 29 1.5:1 2.8:1 25 Min. 2.0:1 Max. 3.0:1 Max. 5.5 6.5 Max. +24 4500 +24 5000 Max. Ambient Operating Temperature ................ -55ºC to +125 ºC Storage Temperature ................................. -62ºC to +150 ºC Case Temperature .................................................. +125 ºC DC Voltage .......................................................... +28 Volts Continuous RF Input Power .................................. +13 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) 21 60 Noise Figure (dB) 6 45 20 19 30 18 15 0 17 Start 30 MHz +48 Reverse Isolation (dB) Stop 512 MHz 1 dB Comp. (dBm) +46 +44 4 Stop 512 MHz Start 30 MHz Input VSWR 2.0 2 3.0 Start 30 MHz Stop 512 MHz Output VSWR 1.5 1.5 +42 +40 Start 30 MHz Stop 512 MHz 1.0 Start 30 MHz Legend Stop 512 MHz 0 Start 30 MHz Stop 512 MHz +25 ºC Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 Rev. 7/8/10 www.SpectrumMicrowave.com Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001