RF AMPLIFIER MODEL QB-300

Available as: QB-300, Connectorized Housing (E52-0182)
RF AMPLIFIER
MODEL QB-300
Features
Maximum (NO DAMAGE) Ratings

High Gain: 23 dB Typical

High Power: +22 dBm Typical
 Operating Temp. - 54 ºC to +71 ºC
 Environmental Screening Available
Ambient Operating Temperature ................. -54ºC to +71 ºC
Storage Temperature .................................-62ºC to +125 ºC
Case Temperature .................................................. +125 ºC
DC Voltage .......................................................... +21 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.)
Specifications
CHARACTERISTIC
TYPICAL
Ta= 25 ºC
1 - 300 MHz
23 ± 1.0
Frequency
Gain (dB)
Gain vs. Temperature
Gain Flatness
Reverse Isolation (dB)
VSWR
In
Out
MIN/MAX
Ta = -54 ºC to +71 ºC
1 - 300 MHz
Note:
1. Specifications are guaranteed when tested in a 50 Ohm system. Specifications indicated as typical are not guaranteed.
+0.5/ -0.6 Max.
Revision 3-16-2015
1.0
-36
1.5:1
1.5:1
1 dB Compression (dBm)
Output Intercept point
3rd Order
2nd Order
Noise Figure (dB)
Power
Vdc
mA
+22
+37
+52
3.8
+20
154
20 (Max)
Typical Performance Data
26
25
Gain (dB)
24
23
22
21
1
100
10
MHz
23
22
21
20
19
1
100
MHz
1000
Legend
Noise Figure (dB)
5.0
4.0
3.0
2.0
1.0
1
1 dB Comp. (dBm)
24
Reverse Isolation (dB)
-10
-20
-30
-40
-50
-60
-70
1.6
1.5
1.4
1.3 Output
1.2
1.1
1.0
1
10
MHz
100
Input/Output VSWR +25 ºC
Input
10
MHz
+ 25 ºC
100
0.0
1
10
MHz
100
3rd order intermodulation distortion (dBm)
41
40
39
38
37
36
35
1
10
MHz
100
+ 71 ºC - - - - - - -54 ºC
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
www.SpectrumMicrowave.com Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001