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QBH-8904 Datasheet, PDF (1/1 Pages) Spectrum Microwave, Inc. – RF AMPLIFIER
RF AMPLIFIER
MODEL QBH-8904
Available as: QBH-8904, Hybrid SM (E52-19422)
Features
! High Gain: 14.5 dB Typical
! High Power: +24.5 dBm Typical
! Operating Temp. - 40 ºC to +70 ºC
! Environmental Screening Available
Specifications
CHARACTERISTIC
Frequency
TYPICAL
Ta= 25 ºC
850 - 950 MHz
MIN/MAX
Ta = -40 ºC to +70 ºC
850 - 950 MHz
Gain (dB)
14.5 Min.
Gain vs. Temperature
+1.5 Max.
Gain Flatness
1.0
1.5 Max.
Reverse Isolation (dB)
20
19
VSWR
In
1.4:1
Out
1.3:1
2.0:1 Max.
2.0:1 Max.
1 dB Compression (dBm)
Output Intercept point
3rd Order
2nd Order
Noise Figure (dB)
Power
Vdc
mA
+24.5
+37
1.2
+15
85
+23 Min.
+34 Min.
1.7 Max.
+15
100 Max.
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.
Gain (dB)
19
18
17
16
15
14
13
850
28
27
26
25
24
23
22
850
870 890 910 930 950
1 dB Comp. (dBm)
870 890 910 930 950
Legend
+ 25 ºC
Typical Performance Data
-10
Reverse Isolation (dB)
-20
-30
-40
-50
-60
-70
850 870 890
910 930 950
Input/Output VSWR +25 ºC
2.2
2.0
1.8
1.6
Input
1.4
1.2
Output
1.0
850 870 890
910 930 950
Noise Figure (dB)
3.0
2.0
1.0
0.0
850 870 890
910 930 950
3rd order intermodulation distortion (dBm)
39
38
37
36
35
34
33
850 870 890 910 930 950
Linear S-Parameters Data
FREQ.
– – S11– –
– – S21– –
– – S12– –
– – S22– –
MHz
dB Ang
dB Ang
dB Ang
dB Ang
===================================================================
850
-12.5 96.6
15.1 -14.5
-21.3 -44.8
-18.7 -85.2
870
-14.9 78.1
15.0 -22.3
-21.0 -51.6
-18.7 -104.7
890
-17.5 49.0
14.9 -30.3
-20.8 -58.4
-18.1 -123.7
900
-18.4 28.2
14.8 -34.3
-20.7 -61.9
-17.5 -132.6
910
-18.7 4.7
14.7 -38.3
-20.6 -65.1
-17.0 -141.1
930
-16.9 -34.3
14.5 -46.2
-20.5 -72.1
-15.7 -156.5
950
-14.2 -58.5
14.2 -54.2
-20.5 -78.7
-14.5 -170.3
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