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ACA2401 Dataheets PDF



Part Number ACA2401
Manufacturers ANADIGICS
Logo ANADIGICS
Description 750/870 MHz CATV Power Doubler Line Amplifier
Datasheet ACA2401 DatasheetACA2401 Datasheet (PDF)

ACA2401 750/870 MHz CATV Power Doubler Line Amplifier FEATURES · · · · · · · · · · 21.5 dB Gain Very Low Distortion Excellent 75-Ohm Input and Output Match Stable with High VSWR Load Conditions Monolithic Design for Consistent Performance Part-to-Part Low DC Power Consumption Surface Mount Package Compatible with Automatic Assembly Low Cost Alternative to Hybrids Meets Cenelec Standards CATV Line Amplifiers, System Amplifiers, Distribution Nodes Data Sheet - Rev 2.0 www.DataSheet4U.com APPLIC.

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ACA2401 750/870 MHz CATV Power Doubler Line Amplifier FEATURES · · · · · · · · · · 21.5 dB Gain Very Low Distortion Excellent 75-Ohm Input and Output Match Stable with High VSWR Load Conditions Monolithic Design for Consistent Performance Part-to-Part Low DC Power Consumption Surface Mount Package Compatible with Automatic Assembly Low Cost Alternative to Hybrids Meets Cenelec Standards CATV Line Amplifiers, System Amplifiers, Distribution Nodes Data Sheet - Rev 2.0 www.DataSheet4U.com APPLICATIONS S7 Package 16 Pin Wide Body SOIC with Heat Slug PRODUCT DESCRIPTION The ACA2401 is a highly linear, monolithic GaAs RF amplifier that has been developed to replace, in new designs, standard CATV hybrid amplifiers. Offered in a convenient surface mount package, the MMIC consists of two pairs of parallel amplifiers that are optimized for exceptionally low distortion and noise figure. A hybrid equivalent that provides flat gain response and excellent input and output return loss over the 40 to 870 MHz CATV downstream band is formed when one ACA2401 is cascaded between two appropriate transmission line baluns. RF Input 1A 2A 1B 2B RF Output ACA2401 Figure 1: Hybrid Application Diagram 08/2001 ACA2401 1 2 3 4 5 6 7 www.DataSheet4U.com GND 2AIN GND 1AIN 1BIN ISET 2BIN GND Figure 2: Pin Out GND 1AOUT Bias 1A 2AOUT 2BOUT Bias 1B 1BOUT GND 16 15 14 13 12 11 10 9 8 Table 1: Pin Description PIN 1 2 3 4 5 6 7 8 N AME GND 2AIN GND 1AIN 1BIN ISET 2BIN GND D ESC R IPTION Ground Ampli fi er 2A Input Ground Ampli fi er 1A Input Ampli fi er 1B Input C urrent Adjust Ampli fi er 2B Input Ground PIN 9 10 11 12 13 14 15 16 N AME GND 1BOUT B i as 1B 2BOUT 2AOUT B i as 1A 1AOUT GND D ESC R IPTION Ground Ampli fi er 1B Output Bi as for 1B Ampli fi er Ampli fi er 2B Output and Supply Ampli fi er 2A Output and Supply Bi as for 1A Ampli fi er Ampli fi er 1A Output Ground 2 Data Sheet - Rev 2.0 08/2001 ACA2401 ELECTRICAL CHARACTERISTICS Table 2: Absolute Mimimum and Maximum Ratings PAR AMETER Supply (pi ns 12, 13) RF Power at Inputs (pi ns 4, 5) Storage Temperature Solderi ng Temperature Solderi ng Ti me www.DataSheet4U.com MIN 0 -65 - MAX +28 +75 +150 +260 5.0 U N IT VD C dBmV °C °C S ec Stresses in excess of the absolute ratings may cause permanent damage. Functional operation is not implied under these conditions. Exposure to absolute ratings for extended periods of time may adversely affect reliability. Notes: 1. Pins 2, 4, 5 and 7 should be AC-coupled. No external DC bias should be applied. 2. Pin 6 should be AC-grounded and/or pulled to ground through a resistor for current control. No external DC bias should be applied. 3. Pins 11 and 14 are bias feeds for input amplifiers 1A and 1B. No external DC bias should be applied. 4. Pins 10 and 15 receive DC bias directly from pins 11 and 14. No other external bias should be applied. Table 3: Operating Ranges PAR AMETER Supply: VDD (pi ns 12, 13) RF Frequency C ase Temperature MIN 40 -40 TYP +24 - MAX 870 +110 U N IT VD C MHz °C The device may be operated safely over these conditions; however, parametric performance is guaranteed only over the conditions defined in the electrical specifications. Data Sheet - Rev 2.0 08/2001 3 ACA2401 Table 4: AC and DC Electrical Specifications (TA = +25 °C, VDD = +24 VDC) PAR AMETER Gai n @870 MHz (1) C able Equi valent Slope Gai n Flatness Noi se Fi gure (1) (1) MIN 20.8 18 - TYP 21.3 0 ± 0.2 4.0 -70 -70 -69 -72 -66 -61 -64 -64 -62 22 390 - MAX 21.8 4.5 -68 -64 -62 3.8 U N IT dB dB dB dB C OMMEN TS @ 870 MHz (1) C TB (1) 77 C hannels (2) 110 C hannels (3) 128 C hannels (4) www.DataSheet4U.com dB c C SO (1) 77 C hannels (2) 110 C hannels (3) 128 C hannels (4) XMOD (1) 77 C hannels (2) 110 C hannels (3) 128 C hannels (4) Return Loss (Input/Output) (1) Supply C urrent Thermal Resi stance dB c dB c dB mA o 75 Ohm system C /W Notes: (1) Measured with baluns on the input and output of the device. See Figure 3 for test setup. (2) Parts measured with 77 channels, +56 dBmV power, 13.5 dB tilt at 870 MHz. (3) Parts measured with 110 channels, +52 dBmV power, 13.5 dB tilt at 870 MHz. (4) Parts measured with 128 channels, +50 dBmV power, 13.5 dB tilt at 870 MHz. 4 Data Sheet - Rev 2.0 08/2001 +24 V 330pF www.DataSheet4U.com Figure 3: Test Circuit Schematic 1 2 GND 2AIN GND 1AIN 1BIN ISET 2BIN GND ACA2401 GND 1AOUT Bias 1A 16 15 14 390nH 0.01uF 390 nH TVS 0.01uF RF Ou (75 Oh Data Sheet - Rev 2.0 08/2001 RF Input (75 Ohms) 3 0.01uF 4 5 2AOUT 13 2BOUT Bias 1B 1BOUT GND 12 11 10 9 330pF 0.01uF 0.01uF 6 7 8 330pF 0.01uF 390nH 390nH +24 V 330 pF ACA2401 5 ACA2401 PERFORMANCE DATA Figure 4: Noise Figure vs. Frequency 5 4.5 Noise Figure (dB) www.DataSheet4U.com 4 3.5 3 2.5 2 0 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) Figure 5: Gain (S21) vs. Frequency 24 23.5 23 22.5 Gain (dB) 22 21.5 21 20.5 20 19.5 19 0 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) 6 .


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