SPECTRUM QBH-838

RF AMPLIFIER
MODEL QBH-838
Available as: QBH-838, 4 Pin TO-8 (T4)
QBH-9-838, Connectorized Housing (ES E52-1501)
Maximum Ratings
Features
Ambient Operating Temperature .............. -55ºC to + 125 ºC
Storage Temperature ............................... -65ºC to + 150 ºC
Case Temperature ................................................. + 125 ºC
DC Voltage ......................................................... + 16 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: 15.0 dB Typical
! High Power: +1.0 dBm Typical
! Environmental Screening Available
Specifications
CHARACTERISTIC
TYPICAL
MIN/MAX
Ta= 25 ºC
50 - 500 MHz
15.0 ± 0.5
Frequency
Gain (dB)
Gain vs. Temperature
Gain Flatness
Reverse Isolation (dB)
VSWR
In
Out
Note: Specifications are guaranteed when tested in a 50 Ohm system.
Specifications indicated as typical are not guaranteed.
-25
2.0:1
2.0:1
1 dB Compression (dBm)
Output Intercept point
3rd Order
2nd Order
Noise Figure (dB)
Power
Vdc
mA
+1.0
+12
+16
1.7
+15
12
Typical Performance Data
Gain (dB)
17
16
15
14
13
12
10
MHz
100
1000
1 dB Comp. (dBm)
3
2
1
1.5
1.0
-1
1.2
MHz
Legend
MHz
100
1000
+ 25 ºC
1000
10
MHz
Output
100
10
MHz
100
1000
3rd order intermodulation distortion (dBm)
18
16
14
12
10
Input
1.0
10
100
Input/Output VSWR +25 ºC
2.0
1.8
1.6
1.4
Noise Figure (dB)
3.5
3.0
2.5
2.0
10
0
-2
Reverse Isolation (dB)
-10
-20
-30
-40
-50
-60
-70
1000
8
10
MHz
100
1000
+ 85 ºC - - - - - - -55 ºC
Linear S-Parameters Data
FREQ.
MHz
– – S11– –
dB
Ang
– – S21– –
dB
Ang
– – S12– –
dB
Ang
– – S22– –
dB
Ang
===================================================================
50
-16.1
15.0 172.3
-45.3
-33.8
0.1
-23.6
7.0
80
-16.8
15.0 160.8
-34.8
-33.6
-9.5
-23.4
4.6
90
-16.8
15.1 157.3
-32.7
-33.5
-23.3 -12.5
2.5
100
-16.8
15.1 154.0
-31.4
-33.5
-23.2 -15.4
3.3
200
-15.9
15.1 122.0
-43.0
-32.8
-22.7 -40.3
-4.4
300
-15.6
15.2
-75.5
90.2
-31.7 -11.3
-22.4 -69.4
400
-15.9
15.2
-120.6
57.4
-30.6 -22.6
-22.5 -104.8
500
-16.4
15.0
-179.7
23.3
-29.6 -37.3
-22.6 -150.2
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 03/11/05
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