QBH 4028

RF AMPLIFIER
MODEL QBH-4028
Features
Available as: QBH-4028, 4 Pin TO-8 (T4)
QBH-5028, 4 Pin 0.450” Sq. Surface-Mount (SM3)
QBH-9-4028, SMA Connectorized Housing (H1)
Typical Intermodulation Performance at 25ºC

High Gain: 12.0 dB Typical

Output Power: +25.5 dBm Typical
 MIL PRF 38534 Class K Option
 Environmental Screening Available
Second Order Harmonic Intercept Point ...... +58 dBm (Typ.)
Second Order Two Tone Intercept Point ....... +52 dBm (Typ.)
Third Order Two Tone Intercept Point ........... +39 dBm (Typ.)
Specifications
CHARACTERISTIC
Frequency
Gain (dB)
Gain Flatness ( p-p )
Power @ 1 dB
Comp. (dBm)
Reverse
Isolation (dB)
VSWR
In
Out
Noise figure (dB)
200 - 3000 MHz
Power
Vdc
mA
TYPICAL
Ta= 25 ºC
20 - 3200 MHz
MIN/MAX
Ta = -55 ºC to +85 ºC
20 - 3000 MHz
12.0
±0.3
10.5 Min.
±0.8 Max.
+25.5 ^
+24.0 Min ^
19.0
1.7:1
1.7:1
2.0:1 Max.
2.0:1 Max.
3.0
+8.0
195
4.2 Max.
+8.0
210 Max.
Maximum (No Damage) Ratings
Ambient Operating Temperature ................ -55 ºC to +85 ºC
Storage Temperature .............................-62 ºC to + +150 ºC
Case Temperature .................................................. +125 ºC
DC Voltage .......................................................... +10 Volts
Continuous RF Input Power .................................. +17 dBm
Short Term RF Input Power .... 100 Milliwatts (1 Minute Max.)
Maximum Peak Power .................... 0.5 Watt (3 μsec Max.)
Revision 12/4/2015
* DC Current measured in a 50-ohm. system at +8.0 Vdc ±1% unless
otherwise specified.
^ 1.0 dB less above 2000 MHz
Typical Performance Data
Legend
+25 ºC
+85 ºC
- - - - - -55ºC
Linear S-Parameters Data
FREQ.
MHz
– – S11– –
dB
Ang
– – S21– –
dB
Ang
– – S12– –
dB
Ang
– – S22– –
dB
Ang
==================================================================
20
14.4
3.96 -157.9
0.25
-61.5
0.115
156.6
0.23
50
1.9
4.04 -173.7
0.14
-55.1
0.109
172.2
0.22
400
4.22
0.10
147.2
-89.0
0.103 -15.4
131.1
0.25
1000
4.10
0.17
95.5
-125.6
0.102 -39.2
61.0
0.26
1600
-63.0
4.02
0.22
45.7
-151.6
0.101
-5.8
0.26
2200
4.19
0.22
-6.1
174.5
0.108 -86.9
-72.7
0.24
2800
4.24
0.13
-66.7
101.6
0.126 -113.8
0.15 -149.8
3200
3.93 -112.8
0.17
9.0
0.139 -137.7
93.6
0.09
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
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