Legend +25 ºC +70 ºC - - - - - - -40 ºC
RF AMPLIFIER
MODEL QBH-8709
Available as: QBH-8709, Hybrid SM (E52-19422)
Specifications Absolute Maximum (No Damage) Ratings
Ambient Operating Temperature .............. -55 ºC to +125 ºC
Storage Temperature ............................... -65 ºC to +150 ºC
Case Temperature .................................................. +125 ºC
DC Voltage .......................................................... +18 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.)
Features
High Gain: 16.0 dB Typical
High Power: +18.5 dBm Typical
Operating Temp. -40 ºC to +70 ºC
Environmental Screening Available
CHARACTERISTIC TYPICAL MIN/MAX
Ta= 25 ºC Ta = -40 ºC to +70 ºC
Frequency 1930 - 1990 MHz 1930 - 1990 MHz
Power Vdc +12 +12
mA 85 100 Max.
Noise Figure (dB) 1.5 2.0 Max.
VSWR In 1.4:1 2.0:1 Max.
Out 1.4:1 2.0:1 Max.
Reverse Isolation (dB) -26 -25 Min.
Gain (dB) 16.0 Min.
Gain Flatness 0.5 0.8 Max.
Output Intercept Point
3rd Order +30 +28 Min.
2nd Order
Gain vs. Temperature +1.5 Max.
1 dB Compression (dBm) +18.5 +16 Min.
Typical Performance Data
Rev.
6/15/10
Note: Specifications are guaranteed when tested in a 50 Ohm system.
Specifications indicated as typical are not guaranteed.
Linear S-Parameters Data
FREQ. – – S11– – – – S21– – – – S12– – – – S22– –
MHz AngdBAng
dB
AngdBAngdB
1930
1945
1960
1975
1990
-15.1
-15.9
-16.3
-16.0
-15.4
-46.8
-63.8
-82.9
-102.5
-120.3
16.3
16.2
16.1
16.0
15.9
152.8
147.8
142.7
137.6
132.5
-26.3
-26.4
-26.4
-26.5
-26.5
77.7
73.1
69.7
64.1
60.5
-15.3
-15.4
-15.4
-15.4
-15.2
-39.7
-49.9
-61.2
-73.7
-86.6
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Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001
www.SpectrumMicrowave.com
