QB-300 Datasheet, PDF (1/1 Pages) Spectrum Microwave, Inc. – RF AMPLIFIER

RF AMPLIFIER
MODEL QB-300
Available as: QB-300, Housing (E52-0182)
Features
! High Gain: 24.5 dB Typical
! High Power: +22 dBm Typical
! Operating Temp. - 54 ºC to +71 ºC
! Environmental Screening Available
Specifications
CHARACTERISTIC
Frequency
Gain (dB)
Gain vs. Temperature
Gain Flatness
Reverse Isolation (dB)
VSWR
In
Out
1 dB Compression (dBm)
Output Intercept point
3rd Order
2nd Order
Noise Figure (dB)
Power
Vdc
mA
TYPICAL
Ta= 25 ºC
1 - 300 MHz
24.5 ± 1.0
1.0
-36
1.5:1
1.5:1
+22
+37
+52
3.8
+20
154
MIN/MAX
Ta = -54 ºC to +71 ºC
1 - 300 MHz
+0.5/ -0.6 Max.
Maximum Ratings
Ambient Operating Temperature ................. -54ºC to +71 ºC
Storage Temperature ............................... -62ºC to + 125 ºC
Case Temperature ................................................. + 125 ºC
DC Voltage ......................................................... + 24 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.)
Note:
1. Specifications are guaranteed when tested in a 50 Ohm system. Specifica-
tions indicated as typical are not guaranteed.
Typical Performance Data
Gain (dB)
27
Reverse Isolation (dB)
-10
26
-20
25
-30
24
-40
-50
23
-60
22
1
MHz ₁₀
100
-70
1
MHz ₁₀
100
1 dB Comp. (dBm)
24
23
22
21
20
19
1
MHz ₁₀₀
1000
1.6
Input/Output VSWR +25 ºC
1.5
1.4
1.3 Output
1.2
Input
1.1
1.0
1
MHz ₁₀
100
Legend
+ 25 ºC
+ 71 ºC - - - - - - -54 ºC
Noise Figure (dB)
5.0
4.0
3.0
2.0
1.0
0.0
1
MHz ₁₀
100
3rd order intermodulation distortion (dBm)
41
40
39
38
37
36
35
1
MHz ₁₀
100
Linear S-Parameters Data
FREQ.
– – S11– –
– – S21– –
– – S12– –
– – S22– –
MHz
dB Ang
dB Ang
dB Ang
dB Ang
==================================================================
1
-24.6 31.5
24.1 11.5
-51.0 170.0
-19.2 89.9
60
-24.8 -2.0
24.2 -57.2
-49.3 177.9
-29.6 -48.6
90
-25.0 0.6
24.2 -85.5
-47.4 142.9
-29.4 -70.8
120
-24.8 4.6
24.1 -113.8
-46.4 147.7
-28.6 -93.7
180
-22.5 5.1
24.1 -171.4
-43.2 105.0
-25.4 -144.6
210
-21.2 2.2
24.2 159.5
-43.1 72.5
-23.0 -168.9
240
-19.9 -2.0
21.2 129.8
-42.6 57.5
-20.4 171.8
270
-18.6 -7.0
24.3 99.2
-41.0 40.0
-17.8 155.1
300
-17.1 -15.6
24.3 67.9
-40.5 15.0
-15.3 138.1
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