RF AMPLIFIER
MODEL
QBS-158
Features
!
!
!
!
High Gain: 21.5 dB Typical
High Power: +33 dBm Typical
Operating Temp. - 40 ºC
to +85
ºC
Environmental Screening Available
Available as:
QBS-158, Housing (E52-19250)
Maximum Ratings
Ambient Operating Temperature ................ -40 ºC to +85 ºC
Storage Temperature .............................. -55 ºC to + 125 ºC
Case Temperature ................................................. + 125 ºC
DC Voltage ......................................................... + 28 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
Noise Figure (dB)
Power
Vdc
mA
Ta= 25
ºC
800 - 960 MHz
21.5
± 0.5
1.0
24
1.5:1
1.5:1
+33
+50
2.5
14-28
790
Ta = -40
ºC
to +85
ºC
800 - 960 MHz
+0.5/ -0.2 Max.
1.0 Max.
1.5:1 Max.
1.5:1 Max.
+33 Min.
+50 Min.
3.0 Max.
14-28
Typical Performance Data
24
23
22
21
20
19
18
800
36
35
34
33
800
840
880
920
960
840
880
920
960
Gain (dB)
-10
-20
-30
-40
-50
-60
-70
800
2.2
2.0
1.8
1.6
1.4
1.2
1.0
800
Reverse Isolation (dB)
4.0
3.0
2.0
1.0
800
60
58
56
54
52
Noise Figure (dB)
840
880
920
960
840
880
920
960
1 dB Comp. (dBm)
Input/Output VSWR +25 ºC
3rd order intermodulation distortion (dBm)
Output
Input
50
48
920
960
800
840
880
920
960
840
880
Legend
+ 25 ºC
+ 85 ºC - - - - - - -40 ºC
Linear S-Parameters Data
==================================================================
800
16.9
-17.1
21.2
-29.5
12.0
79.7
-20.1 14.1
840
-11.5
-27.0
21.0
-28.8
-74.8
51.4
-18.6
4.0
880
-40.8
-20.9
21.1
-28.4
179.8
21.9
-17.9 -12.7
920
-71.3
-19.5
21.4
-27.7
158.2
-9.8
-18.5 -37.9
960
-15.1 -159.8
22.0
-26.7 -108.6
-47.8
-22.2 -96.6
FREQ.
MHz
– – S11– –
dB
Ang
– – S21– –
dB
Ang
– – S12– –
dB
Ang
– – S22– –
dB
Ang
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
03/11/05
www.SpectrumMicrowave.com
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