Available as: QBH-851, 4 Pin TO-8 (T4)
QBH-9-851, Connectorized Housing (ES E52-1501)
RF AMPLIFIER
MODEL QBH-851
Features
Maximum Ratings
Ambient OperatingTemperature .............. -55ºC to + 125 ºC
StorageTemperature ............................... -65ºC to + 150 ºC
CaseTemperature .................................................+ 125 ºC
DCVoltage ......................................................... + 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.)
ꢀ High Gain: 10.0 dB Typical
ꢀ High Power: +20 dBm Typical
ꢀ Operating Temp. - 55 ºC to +85 ºC
ꢀ Environmental ScreeningAvailable
Specifications
CHARACTERISTIC
TYPICAL
MIN/MAX
Ta = -55 ºC to +85 ºC
10 - 300 MHz
Ta= 25 ºC
10 - 300 MHz
10.0
Note: Specifications are guaranteed when tested in a 50 Ohm system.
Specifications indicated as typical are not guaranteed.
Frequency
Gain (dB)
± 0.5
Gain vs. Temperature
Gain Flatness
+0.5/-0.5 Max.
0.5 Max.
0.5
Reverse Isolation (dB)
-15
-15 Min.
VSWR
In
Out
1.7:1
1.5:1
1.8:1 Max.
1.6:1 Max.
1 dB Compression (dBm)
Output Intercept point
+20
+19 Min.
3rd Order
2nd Order
Noise Figure (dB)
+38
+54
4.0
+15
90
+37 Min.
+53 Min.
4.0 Max.
+15
Power
Vdc
mA
90 Max.
Typical Performance Data
Noise Figure (dB)
Gain (dB)
Reverse Isolation (dB)
11
10
9
6.0
5.0
0
-10
-20
-30
-40
-50
-60
4.0
3.0
8
7
2.0
1.0
6
MHz
100
1000
MHz
100
1000
MHz
100
1000
10
10
10
3rd order intermodulation distortion (dBm)
Input/Output VSWR +25ºC
1 dB Comp. (dBm)
2.0
41
23
22
1.8
1.6
1.4
1.2
1.0
40
39
38
37
Input
21
20
19
18
Output
36
MHz
100
1000
MHz
100
1000
10
10
MHz
100
1000
10
Legend
+ 25 ºC
+ 85 ºC - - - - - - -55 ºC
Linear S-Parameters Data
FREQ.
MHz
– – S11– –
dB Ang
– – S21– –
dB Ang
– – S12– –
dB
– – S22– –
Ang
dB
Ang
===================================================================
10
40
-15.9
-28.1
-30.2
-32.1
-34.6
-35.6
-36.8
-29.0
-20.9
9.7
9.8
9.8
9.8
9.8
9.8
9.8
9.8
9.7
-63.6
-85.7
-83.4
-70.1
-45.7
-37.0
-30.8
-66.2
-136.2
-168.7
170.7
166.7
163.1
156.0
152.5
149.0
114.9
79.8
-16.5
-16.7
-16.7
-16.7
-16.7
-16.7
-16.7
-16.6
-16.3
-19.6
-24.2
-24.6
-25.0
-25.6
-25.8
-25.9
-23.8
-18.7
-126.2
-165.6
-169.6
-171.9
-173.1
-172.9
-171.8
-167.6
171.6
-167.8
169.6
165.2
161.2
153.8
150.1
146.6
111.9
77.6
50
60
80
90
100
200
300
03/11/05
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
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www.SpectrumMicrowave.com