SPECTRUM QBH-250

RF AMPLIFIER
MODEL QBH-250
Available as: QBH-250, F-Pack (E52-5006)
Maximum Ratings
Features
Ambient Operating Temperature .............. -55ºC to + 125 ºC
Storage Temperature ............................... -65ºC 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.)
! High Gain: 20.0 dB Typical
! High Power: +18 dBm Typical
! Environmental Screening Available
Specifications
CHARACTERISTIC
TYPICAL
MIN/MAX
Ta= 25 ºC
10 - 300 MHz
20.0 ± 0.5
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
Note: Specifications are guaranteed when tested in a 50 Ohm system.
Specifications indicated as typical are not guaranteed.
1.0
-23
1.5:1
2.0:1
+18
+30
+41
3.5
+15
51
Typical Performance Data
Gain (dB)
21
20
19
18
17
16
10
MHz
100
1000
1 dB Comp. (dBm)
22
20
3.0
2.5
2.0
14
12
1.2
MHz
100
1000
Legend
MHz
100
Input
10
1000
+ 25 ºC
MHz
100
MHz
100
1000
36
34
32
30
28
26
Output
1.0
10
10
3rd order intermodulation distortion (dBm)
Input/Output VSWR +25 ºC
2.0
1.8
1.6
1.4
4.0
3.5
10
18
16
Noise Figure (dB)
Reverse Isolation (dB)
-10
-20
-30
-40
-50
-60
-70
1000
10
MHz
100
1000
+ 85 ºC - - - - - - -55 ºC
Linear S-Parameters Data
FREQ.
MHz
– – S11– –
dB
Ang
– – S21– –
dB
Ang
– – S12– –
dB
Ang
– – S22– –
dB
Ang
===================================================================
10
-15.8
19.8 -168.7
-120.1
-45.2 76.5
-16.2 145.1
40
-19.1
20.1
-167.6
169.2
-42.5 44.6
-23.5 168.6
60
-19.3
20.1
-178.2
160.6
-41.0 43.0
-23.7 -173.0
70
-19.6
20.1
177.8
156.5
-40.3 41.6
-23.3 -166.3
90
-19.7
20.1
170.0
148.5
-38.7 40.3
-22.1 -157.8
100
-19.8
20.1
168.3
144.7
-38.1 39.9
-21.4 -155.5
200
-19.6
20.3
145.9
105.9
-33.0 22.1
-15.1 -161.1
250
-18.0
20.3
139.0
85.8
-31.1 10.0
-12.4 -173.1
300
-15.9
20.3
128.4
65.2
-29.6
-10.2 172.4
-3.4
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