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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