RF AMPLIFIER
MODEL
QBS-227
Features
!
!
!
!
High Gain: 42.0 dB Typical
High Power: +39 dBm Typical
Operating Temp. - 20 ºC
to +60
ºC
Environmental Screening Available
Available as:
QBS-227, Housing (E52-19659)
Maximum Ratings
Ambient Operating Temperature ................ -20 ºC to +60 ºC
Storage Temperature .............................. -55 ºC to + 125 ºC
Case Temperature ................................................. + 125 ºC
DC Voltage ......................................................... + 30 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.
Specifications
CHARACTERISTIC
TYPICAL
MIN/MAX
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
Power
Vdc
mA
Ta= 25
ºC
860 - 910 MHz
42.0
± 1.0
1.5
-60
2.0:1
2.0:1
+39
+49
24
3500
Ta = -20
ºC
to +60
ºC
860 - 910 MHz
+2.0/ -2.0 Max.
-60
2.0:1
2.0:1
+38
Min.
Max.
Max.
Min.
+48 Min.
24
3600 Max.
Typical Performance Data
Gain (dB)
44
43
42
41
40
39
38
860
Reverse Isolation (dB)
-20
-30
-40
-50
-60
-70
-80
860
56
55
54
53
52
51
50
870
880
890
1.6
1.5
1.4
1.3
1.2
1.1
870
880
890
900
910
1.0
860
870
880
900
910
3rd order intermodulation distortion (dBm)
870
880
890
44
43
42
41
40
39
38
860
900
910
860
870
880
890
900
910
1 dB Comp. (dBm)
Input/Output VSWR +25 ºC
Output
Input
890
900
910
Legend
+ 25 ºC
Linear S-Parameters Data
==================================================================
860
-29.7 40.8
41.2
-56.9 144.5
-123.0
-28.1 -145.3
870
26.9
-29.3 55.6
41.0
-59.1
-148.4
-25.6 124.6
880
-9.1
-27.5 59.1
41.1
-53.3
-173.0
-27.2 131.0
890
93.5
-26.0 50.3
41.3
-68.1
160.2
-20.5
89.4
900
27.7
-25.8 46.9
41.3
-54.3
132.3
-19.9
111.9
910
-25.4 28.5
41.2
-71.1 -32.2
104.4
-21.0
93.4
FREQ.
MHz
– – S11– –
dB
Ang
– – S21– –
dB
Ang
– – S12– –
dB
Ang
– – S22– –
dB
Ang
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03/11/05
www.SpectrumMicrowave.com
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