RF AMPLIFIER
MODEL
QBH-8904
Features
!
!
!
!
High Gain: 14.5 dB Typical
High Power: +24.5 dBm Typical
Operating Temp. - 40 ºC
to +70
ºC
Environmental Screening Available
CHARACTERISTIC
TYPICAL
MIN/MAX
Available as:
QBH-8904, Hybrid SM (E52-19422)
Maximum Ratings
Ambient Operating Temperature .............. -55 ºC to +125 ºC
Storage Temperature .............................. -65 ºC to + 150 ºC
Case Temperature ................................................. + 125 ºC
DC Voltage ......................................................... + 20 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.
Specifications indicated as typical are not guaranteed.
Specifications
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
850 - 950 MHz
14.5 Min.
+1.5 Max.
1.0
20
1.4:1
1.3:1
+24.5
+37
1.2
+15
85
1.5 Max.
19
2.0:1 Max.
2.0:1 Max.
+23 Min.
+34 Min.
1.7 Max.
+15
100 Max.
Ta = -40
ºC
to +70
ºC
850 - 950 MHz
Typical Performance Data
19
18
17
16
15
14
13
850
28
27
26
25
24
23
22
850
870
890
910
930
950
870
890
910
930
950
2.2
2.0
1.8
1.6
1.4
1.2
1.0
850
Output
Gain (dB)
-10
-20
-30
-40
-50
-60
-70
850
Reverse Isolation (dB)
3.0
2.0
1.0
0.0
850
39
38
37
36
35
34
33
Noise Figure (dB)
870
890
910
930
950
870
890
910
930
950
1 dB Comp. (dBm)
Input/Output VSWR +25 ºC
3rd order intermodulation distortion (dBm)
Input
870
890
910
930
950
850
870
890
910
930
950
Legend
+ 25 ºC
Linear S-Parameters Data
===================================================================
850
-12.5
15.1
-21.3 -44.8
96.6
-14.5
-18.7 -85.2
870
-14.9
15.0
-21.0 -51.6
78.1
-22.3
-18.7 -104.7
890
-17.5
14.9
-20.8 -58.4
49.0
-30.3
-18.1 -123.7
900
-18.4
14.8
-20.7 -61.9
28.2
-34.3
-17.5 -132.6
910
-18.7
14.7
-20.6 -65.1
4.7
-38.3
-17.0 -141.1
930
-16.9 -34.3
14.5
-20.5 -72.1
-46.2
-15.7 -156.5
950
-14.2 -58.5
14.2
-20.5 -78.7
-54.2
-14.5 -170.3
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
Spectrum Microwave (Europe) · 2707 Black Lake Place · Philadelphia, Pa. 19154 · PH (215) 464-4000 · Fax (215) 464-4001
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