07/2009
ACA3747
870 MHz, 25 dB Gain
CATV Power Doubler Amplier
ADVANCED PRODUCT INFORMATION - Rev 0.2
Figure 1: Simplied Hybrid Internal Arrangement
FEATURES
• 25dB Gain
• 40 to 870MHz Operating Range
• +/- 0.2dB Gain Flatness
• 24V Supply
• Supply Current – 440mA (Typ.)
• Very Low Distortion & Noise
• Robust Design and Insensitive to Voltage
Transients
• GaAs Monolithic IC-Based
• Standard SOT115J Package
APPLICATIONS
• Distribution Nodes and Line Extenders in CATV
Systems
PRODUCT DESCRIPTION
The ACA3747 is a GaAs Hybrid Amplier for CATV
HFC distribution systems. It consists of two pairs of
parallel ampliers that are optimized for exceptionally
low distortion and noise gure. The ACA3747 is
offered in a standard SOT115J package.
Hybrid Pinout
Figure 2: Hybrid Pinout
Table 1: SOJ115J Pinning
PIN Description
1RF Input
2GND
3GND or No Connection
524 V
7, 8 GND
9RF Output
2ADVANCED PRODUCT INFORMATION - Rev 0.2
07/2009
ACA3747
Table 2: Absolute Minimum and Maximum Ratings
Table 4: Electrical Characteristics
(Test condition: 40 to 870 MHz, TMB = 308C, 75 V loading, see note 1)
Note:
1. 79 at analog channels @ 48 dBmV output to 550 MHz, plus 75 at analog channels @ +38 dBmV to 1 GHz.
Symbol Min Typ Max Unit Conditions
Power Gain G
P
-25 -dB
Slope cable equivalent SL -0.4 -dB
Gain Flatness FL - +0.2 -dB
Input Return Loss S
11
- - -18 dB
Output Return Loss S
22
- - -18 dB
CTB - - -70 -dBc See note 1
CSO - - -72 -dBc See note 1
XMOD - - -68 -dBc See note 1
Noise Figure - - 3.5 5.0 dB
Supply Current - - 440 -mA
Table 3: Operating Ranges
Symbol Min Typ Max Unit Conditions
Supply Voltage V
DD
-+24 +28 V
DC
RF Power at inputs - - - +70 dBmV single tone
Operating mounting Base temperature T
MB
-20 -+100 8C
Storage Temperature T
STG
-40 +100 8C
Symbol Min Typ Max Unit Conditions
RF Frequency -40 -870 MHz
wARNINg
ANADIGICS products are not intended for use in life support appliances, devices or systems. Use of an ANADIGICS product
in any such application without written consent is prohibited.
IMPORTANT NOTICE
ANADIGICS, Inc.
141 Mount Bethel Road
Warren, New Jersey 07059, U.S.A.
Tel: +1 (908) 668-5000
Fax: +1 (908) 668-5132
URL: http://www.anadigics.com
E-mail: Mktg@anadigics.com
ANADIGICS, Inc. reserves the right to make changes to its products or to discontinue any product at any time without notice.
The product specications contained in Advanced Product Information sheets and Preliminary Data Sheets are subject to
change prior to a product’s formal introduction. Information in Data Sheets have been carefully checked and are assumed
to be reliable; however, ANADIGICS assumes no responsibilities for inaccuracies. ANADIGICS strongly urges customers
to verify that the information they are using is current before placing orders.
ADVANCED PRODUCT INFORMATION - Rev 0.2
07/2009
3
ACA3747
Figure 3: Hybrid Line Amp Physical Outline