ISG56526
5 TO 65 MHz SILICON CATV
26 dB HYBRID AMPLIFIER
FEATURES
OUTLINE DIMENSIONS (Units in mm [inches])
FLATGAINRESPONSEFROM5TO65MHz:f=±0.2dB
ISG56526
45.08 [1.775] MAX
38.10 ± 0.25 [1.500 ± .010]
3.49 [.137]
INPUTANDOUTPUTMATCHINGTO75OHMS:RL =>19dB
3.96 [.156]
+0.14
2× φ4.00
+.006
-.009
[
φ.157
]
THRU
-0.24
+0.13
-0.20
+.005
]
-.008
8.00
[
.315
14.85 [.585] MAX
LOWDISTORTION:P1dB=78dBmV
8.04 [.317]
27.30 [1.075] MAX
VCC
5
LOWNOISE:3.0dB
1
9
IN
OUT
AUTOMATEDSURFACEMOUNT CONSTRUCTION
5.08 ± 0.13 [.200 ± .005]
2.54 ± 0.13 [.100 ± .005]
2
3 7 8
0.51 ± 0.05 [.020 ± .002]
GND
DESCRIPTION
+4.15
-3.85
+.163
2× φ
[
φ
]
-.152
21.08 [.830]
The ISG56526 is a low noise, low distortion hybrid amplifier specified
for use in return path HFC Cable TV applications. The ISG56526 is
comprised of 100% surface mount components, including high
performance silicon transistors. It features excellent noise, gain, and
thermal stability across a wide range of operating conditions and
frequencies.The amplifiers are manufactured to ISO9002 standards
are very rugged and exhibit excellent unit to unit uniformity.
+0.25
-0.89
+.010
-.035
12.70
[
.500
]
8.60 ± 0.25
[.340 ± .010]
10.75 ± 0.25 [.423 ± .010]
2.54 ± 0.38 [.100 ± .015]
4.20 ± 0.13 [.165 ± .005]
2× 6-32 UNC-2B
10.20 ± 0.25 [.402 ± .010]
9.84 [.387] 25.40 ± 0.25 [1.000 ± .010]
17.44 [.687]
ELECTRICAL CHARACTERISTICS (VCC = 24 V, ± 10% TA = 25°C, 75 Ω System)
PARTNUMBER
ISG56526
SYMBOLS
PARAMETERS
Frequency Range
CONDITIONS
UNITS
MIN
TYP
MAX
Min (fL) to Max (fH) +5%
FH = 65 MHz
MHz
dB
5
65
G
Gain (S21)
24.9
25.5
26.4
±0.2
GF
Gain Flatness
FL to FH
dB
±0.15
RLIN
RLIN
Input Return Loss (S11)
Input Return Loss (S11)
Output Return Loss
Output Return Loss
5-10 MHz
11-65 MHz
5-10 MHz
11-65 MHz
dB
dB
dB
dB
29
19
24
19
35
21
25
15
RLOUT
RLOUT
NF
Noise Figure
5-65 MHz NF
RFOUT to RFIN,
over FH to FL
dB
dB
3.0
29
3.3
Reverse Isolation (S12)
CTB
XM
Composite Triple Beat
See Note 1
See Note 1
dBc
dBc
dBc
dB
-70
-60
-72
-10
Cross Modulation
CSO
Composite 2nd Order Distortion
RFIN to DC and DC to RFOUT
Output Level at 1 dB Gain Compression
See Note 1
0.3 MHz-5 MHz
P1dB
Single tone at
any channel frequency
dBmV
V
78
24
VCC
IOP
Supply Voltage
Operating Current
mA
180
190
200
Ω
Input & Output Impedance
ohms
75
Note:
1. Composite Triple Beat, Cross Modulation, 2nd Order Distortion are all measured with 7 channels (T7 through T13) at 50 dBmV/ch output and
at 25°C.
PerformancetestsandratingsforSirenzaMicrodevicesproductswereperformedinternallybySirenzaandmeasuredusingspecificcomputersystemsand/orcomponentsandreflect
the approximate performance of the products as measured by those tests. Any difference in circuit implementation, test software, or test equipment may affect actual performance.
The information provided herein is believed to be reliable at press time and Sirenza Microdevices assumes no responsibility for the use of this information. All such use shall be
entirelyattheusersownrisk. PricesandspecificationsforSirenzaMicrodevicesproductsaresubjecttochangewithoutnotice. BuyersshouldconsultSirenzaMicrodevices
standard terms and conditions of sale for Sirenzas limited warranty with regard to its products. No patent rights or licenses to any of the circuits described herein are implied or
granted to any third party. Sirenza Microdevices does not authorize or warrant any product for use in life-support devices and/or systems.
303 S. Technology Court, Broomfield, CO 80021
303-327-3030
www.sirenza.com
4/1/2005
REV. C
1
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