RF AMPLIFIER
MODEL
QBH-8720
Features
!
!
!
!
High Gain: 24.5 dB Typical
High Power: +23 dBm Typical
Operating Temp. - 40 ºC
to +70
ºC
Environmental Screening Available
Available as:
QBH-8720, 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 ......................................................... + 17 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
CHARACTERISTIC
TYPICAL
MIN/MAX
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
824 - 849 MHz
24.5
0.4
-40
1.4:1
1.4:1
+23
+36
1.2
+15
140
Ta = -40
ºC
to +70
ºC
824 - 849 MHz
+2.0
0.6
-36
2.0:1
2.0:1
+21
Max.
Max.
Min.
Max.
Max.
Min.
+33 Min.
1.7 Max.
+15
175 Max.
Typical Performance Data
27
26
25
24
23
22
21
824
26
25
24
23
22
21
20
824
829
834
839
844
849
Gain (dB)
-10
-20
-30
-40
-50
-60
-70
824
2.2
2.0
1.8
1.6
1.4
1.2
1.0
824
Input
Reverse Isolation (dB)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
824
39
38
37
36
35
Output
Noise Figure (dB)
829
834
839
844
849
829
834
839
844
849
829
834
839
844
849
1 dB Comp. (dBm)
Input/Output VSWR +25 ºC
3rd order intermodulation distortion (dBm)
34
33
824
829
834
839
844
849
829
834
839
844
849
Legend
+ 25 ºC
+ 70 ºC - - - - - - -40 ºC
Linear S-Parameters Data
===================================================================
825
-15.3 136.5
24.6
-40.8 46.4
165.6
-16.8 51.0
830
-15.4 131.8
24.5
-40.6 46.8
163.9
-16.7 48.7
835
-15.5 126.4
24.4
-40.7 48.7
162.2
-16.6 46.6
840
-15.5 121.1
24.3
-40.8 47.3
160.6
-16.5 44.5
845
-15.4 115.8
24.3
-40.7 44.6
158.8
-16.4 42.4
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
SPECTRUM [ SPECTRUM MICROWAVE, INC. ]
