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MAX3509

Maxim
Part Number MAX3509
Manufacturer Maxim
Description Upstream CATV Amplifier
Published Jun 13, 2005
Detailed Description 19-1700; Rev 0; 4/00 UAL IT MAN TION K A ET U E L H A S EV TA WS DA FOLLO Upstream CATV Amplifier Features o Ultra-Low...
Datasheet PDF File MAX3509 PDF File

MAX3509
MAX3509

Overview
19-1700; Rev 0; 4/00 UAL IT MAN TION K A ET U E L H A S EV TA WS DA FOLLO Upstream CATV Amplifier Features o Ultra-Low Power-Up/Down Transients, 25mV (typ) at 66dBmV Output o Single-Supply Operation o Output Level Ranges from <12dBmV to 67dBmV (QPSK) o Gain Programmable in 1dB Steps o Low Transmit Output Noise Floor: -41dBmV (160kHz BW) o Low Transmit-Disable Output Noise: -70dBmV o Shutdown Mode General Description The MAX3509 is a programmable power amplifier for use in CATV upstream applications.
The device outputs up to 66dBmV QPSK through a 1:1 transformer.
It features variable gain controlled by a 3-wire digital serial bus.
Gain control is available in 1dB steps.
The device operates over a 5MHz to 65MHz frequency range.
The MAX3509 offers a transmit-disable mode, which places the device in a high-isolation state for use between bursts in TDMA systems.
In this mode, all analog functions are shut down, minimizing output noise and power consumption.
When entering and leaving tran...


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