RF AMPLIFIER MODEL QB-968 Available as: QB-968, SMA Connectorized Housing (080-22930) Preliminary Features Ultra Broadband Amplifier High Gain: 24 dB Typical Low Noise Figure: 3 dB Typical High Reverse Isolation Single Supply Operation (Other Supply Voltages Available) Absolute Maximum (No Damage) Ratings Ambient Operating Temperature ...................... -40ºC to +85 Storage Temperature ................................. -65ºC to +125 ºC DC Voltage .......................................................... +16 Volts RF Input Power (CW)2 .......................................................................... +20 dBm Specifications1 CHARACTERISTIC Frequency Gain (dB) Gain var. Over Temp. (dB) Gain Flatness (dB) Reverse Isolation (dB) VSWR In Out Output Power @ 1 dB Compression (dBm) Noise Figure (dB) Output Intercept Point (dBm) 3rd Order Power Vdc mA TYPICAL MIN/MAX Ta= 25 ºC 2 - 18 GHz 24 +0.3 / -1.2 +0.8 70 1.5:1 1.7:1 Ta = -40 ºC to +85 ºC 2 - 18 GHz 23 / 25 +1.0 / -2.0 +1.0 Max. 45 Min. 2.0:1 Max. 2.0:1 Max. +16 3.0 +13.5 Min. 5.0 Max. +28 +12 120 +25 Min. +12 130 Max. Notes: 1. All specification ratings are based on measurements in a 50 ohm system with a DC supply voltage tolerance of +1%. 2. RF output terminated into 50 ohms. Outline Drawing Typical Performance Data Legend +25 ºC Rev. Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 5/13/10 www.SpectrumMicrowave.com Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001