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1:2 Single-Ended, Low Cost Active RF Splitter ADA4303-2
FEATURES
Ideal for CATV applications Excellent frequency response 1.7 GHz, −3 dB bandwidth 1 dB flatness to 1.2 GHz Low noise figure: 4.4 dB Low distortion Composite second order (CSO): −62 dBc Composite triple beat (CTB): −72 dBc 1 dB compression point of 8.5 dBm 3 dB of gain per output channel 24 dB isolation between output channels 75 Ω input and outputs Small package size 12-lead, 3 mm × 3 mm lead frame chip scale package
FUNCTIONAL BLOCK DIAGRAM
5V 5V
0.1µF 0.1µF
1µH
VCC
IL
VO1 VIN
0.01µF
ADA4303-2
VO2
0.01µF
0.01µF 249Ω GND
249Ω
APPLICATIONS
Set-top boxes Home gateways CATV distribution systems Splitter modules Digital cable ready (DCR) TVs
Figure 1.