Legend +25 ºC +70 ºC - - - - - - -40 ºC
RF AMPLIFIER
MODEL QBH-8702
Available as: QBH-8702, Hybrid SM (E52-19422)
Specifications Absolute Maximum (No Damage) Ratings
Ambient Operating Temperature ................-55ºC to +125 ºC
Storage Temperature .................................-65ºC to +150 ºC
Case Temperature .................................................. +125 ºC
DC Voltage ....................................................... +15.5 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: 28.0 dB Typical
High Power: +25 dBm Typical
Environmental Screening Available
CHARACTERISTIC TYPICAL MIN/MAX
Ta= 25 ºC
Frequency 1850 - 1910 MHz
Power Vdc +12
mA 190
Noise Figure (dB) 1.2
VSWR In 1.5:1
Out 1.5:1
Reverse Isolation (dB) -44
Gain (dB) 28.0
Gain Flatness 0.9
Output Intercept Point
3rd Order +37
2nd Order
Gain vs. Temperature
1 dB Compression (dBm) +25
±1.0
Typical Performance Data
Note: Specifications are guaranteed when tested in a 50 Ohm system.
Specifications indicated as typical are not guaranteed.
Rev.
6/14/10
Linear S-Parameters Data
FREQ. – – S11– – – – S21– – – – S12– – – – S22– –
MHz AngdBAng
dB
AngdBAngdB
1850
1860
1870
1880
1890
1900
1910
-29.3
-30.1
-33.0
-31.3
-27.4
-23.0
-20.5
24.2
48.5
73.4
136.3
149.6
152.2
151.2
28.2
28.1
28.0
27.9
27.9
27.8
27.7
-91.9
-95.3
-98.5
-101.3
-104.5
-107.7
-111.3
-47.5
-46.4
-47.9
-48.5
-45.9
-49.1
-48.7
177.2
167.4
178.2
178.0
-175.9
177.8
162.7
-13.4
-13.5
-13.8
-14.1
-14.1
-14.0
-13.9
144.1
141.7
139.8
139.6
139.2
137.1
134.3
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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
