RF AMPLIFIER MODEL QBS-258 Available as: QBS-258, SMA Connectorized Housing Features Spectrum Microwave can also customize this amplifier to your unique requirements in a timely manner. Customization and delivering prototypes with demanding specifications is what separates Spectrum Microwave from other power amplifier vendors. High Power: +41.5 dBm Typical High Gain: 32 dB Typical Efficient Class AB Design Environmental Screening Available Specifications CHARACTERISTIC Frequency TYPICAL Ta= 25 ºC 1920- 1990 MHz MIN/MAX Ta = -55 ºC to +85 ºC 1920- 1990 MHz Gain (dB) Power @ 1 dB Comp. (dBm) 32 30.5 Min. +41 +39.5 Min. Reverse Isolation (dB) 46 41 Min. VSWR Power In Out Vdc mA 1.5:1 1.5:1 +28 1500 Maximum Ratings Ambient Operating Temperature ................ -55ºC to +125 ºC Storage Temperature ................................. -62ºC to +150 ºC Case Temperature .................................................. +125 ºC DC Voltage .......................................................... +30 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.) 2.0:1 Max. 2.0:1 Max. +28 1600 Max. Note: Care should always be taken to effectively ground the case of each unit. Typical Performance Data Gain (dB) 34 45 33 32 30 31 15 30 +43 Reverse Isolation (dB) 60 Start 1920 MHz 1 dB Comp. (dBm) Stop 1990 MHz 0 Start 1920 MHz Input VSWR 3.0 Stop 1990 MHz 3.0 Output VSWR +42 +41 2.0 2.0 +40 +39 Start 1920 MHz Stop 1990 MHz 1.0 Start 1920 MHz Legend Stop 1990 MHz 1.0 Start 1920 MHz Stop 1990 MHz +25 ºC Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 Rev. 7/26/10 www.SpectrumMicrowave.com Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001