Available as: QB-188, Housing (E52-0184)
RF AMPLIFIER
MODEL QB-188
Features
Maximum Ratings
Ambient OperatingTemperature ................ -55 ºC to +85 ºC
StorageTemperature .............................. -65 ºC to + 125 ºC
CaseTemperature .................................................+ 125 ºC
DCVoltage ......................................................... + 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: +21 dBm Typical
ꢀ Operating Temp. - 55 ºC to +71 ºC
ꢀ Environmental ScreeningAvailable
Specifications
CHARACTERISTIC
TYPICAL
Ta= 25 ºC
MIN/MAX
Ta = -55 ºC to +71 ºC
0.5 - 100 MHz
Note:
Frequency
0.5 - 100 MHz
1. Specifications are guaranteed when tested in a 50 Ohm system. Specifica-
Gain (dB)
15.0 ± 1.0
tions indicated as typical are not guaranteed.
Gain vs. Temperature
Gain Flatness
+0.3/ -0.3 Max.
0.5 Max.
28 Min.
0.5
28
Reverse Isolation (dB)
VSWR
In
Out
1.5:1
1.5:1
1.5:1 Max.
1.5:1 Max.
1 dB Compression (dBm)
Output Intercept point
3rd Order
2nd Order
Noise Figure (dB)
+21
+21 Min.
+37
+47
3.0
+15
100
+37 Min.
+47 Min.
3.6 Max.
+15
Power
Vdc
mA
100 Max.
Typical Performance Data
Noise Figure (dB)
Gain (dB)
Reverse Isolation (dB)
16
15
5.0
4.5
4.0
3.5
3.0
2.5
2.0
-10
-20
-30
-40
-50
-60
-70
14
13
12
11
MHz
10
MHz
10
MHz
100
1000
1000
100
1
100
1000
1
1
3rd order intermodulation distortion (dBm)
Input/Output VSWR +25ºC
1 dB Comp. (dBm)
47
24
23
2.2
2.0
1.8
45
43
41
39
37
35
22
21
1.6
1.4
1.2
Input
20
19
MHz
Output
MHz
MHz
1.0
100
1000
1
1000
100
1
100
1000
1
Legend
+ 25 ºC
+ 71 ºC - - - - - - -55 ºC
Linear S-Parameters Data
FREQ.
MHz
– – S11– –
– – S21– –
– – S12– –
– – S22– –
dB
dB Ang
dB Ang
Ang
dB
Ang
==================================================================
0.5
1
-16.4
-17.6
-18.1
-18.2
-18.1
-18.1
-18.0
-16.8
-15.3
14.8
14.9
14.8
14.8
14.8
14.8
14.8
14.7
14.5
-37.3 34.5
-37.7 21.6
-37.8 9.5
-37.5 10.5
-37.4 11.9
-36.1 18.7
-31.9 18.9
-28.5 3.6
-26.9 -12.6
-27.8
-17.9
-9.0
-10.7
-14.1
-29.2
-73.7
-128.4
-167.5
-175.0
-177.9
177.7
174.2
170.9
159.5
128.0
95.1
-20.7
-20.7
-20.8
-20.9
8.8
3.8
-4.0
-9.4
3
6
9
-20.9 -14.3
-20.8 -33.3
-20.1 -89.2
-17.1 -146.6
-14.3 176.3
20
50
80
100
71.2
03/11/05
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