Available as: QB-300, Connectorized Housing (E52-0182) RF AMPLIFIER MODEL QB-300 Features Maximum (NO DAMAGE) Ratings High Gain: 23 dB Typical High Power: +22 dBm Typical Operating Temp. - 54 ºC to +71 ºC Environmental Screening Available Ambient Operating Temperature ................. -54ºC to +71 ºC Storage Temperature .................................-62ºC to +125 ºC Case Temperature .................................................. +125 ºC DC Voltage .......................................................... +21 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.) Specifications CHARACTERISTIC TYPICAL Ta= 25 ºC 1 - 300 MHz 23 ± 1.0 Frequency Gain (dB) Gain vs. Temperature Gain Flatness Reverse Isolation (dB) VSWR In Out MIN/MAX Ta = -54 ºC to +71 ºC 1 - 300 MHz Note: 1. Specifications are guaranteed when tested in a 50 Ohm system. Specifications indicated as typical are not guaranteed. +0.5/ -0.6 Max. Revision 3-16-2015 1.0 -36 1.5:1 1.5:1 1 dB Compression (dBm) Output Intercept point 3rd Order 2nd Order Noise Figure (dB) Power Vdc mA +22 +37 +52 3.8 +20 154 20 (Max) Typical Performance Data 26 25 Gain (dB) 24 23 22 21 1 100 10 MHz 23 22 21 20 19 1 100 MHz 1000 Legend Noise Figure (dB) 5.0 4.0 3.0 2.0 1.0 1 1 dB Comp. (dBm) 24 Reverse Isolation (dB) -10 -20 -30 -40 -50 -60 -70 1.6 1.5 1.4 1.3 Output 1.2 1.1 1.0 1 10 MHz 100 Input/Output VSWR +25 ºC Input 10 MHz + 25 ºC 100 0.0 1 10 MHz 100 3rd order intermodulation distortion (dBm) 41 40 39 38 37 36 35 1 10 MHz 100 + 71 ºC - - - - - - -54 ºC Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 www.SpectrumMicrowave.com Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001