Intermediate Frequency Transmitter,
800 MHz to 4000 MHz
High linearity: supports modulations to 1024 QAM
Tx IF range: 200 MHz to 700 MHz
Tx RF range: 800 MHz to 4000 MHz
Tx power control: 25 dB
SPI controlled interface
32-lead, 5 mm × 5 mm LFCSP package
Point to point communications
Wireless microwave backhaul systems
FUNCTIONAL BLOCK DIAGRAM
The HMC8200LP5ME is a highly integrated intermediate
frequency (IF) transmitter chip that converts the industry
standard 300 MHz to 400 MHz IF input signals to an 800 MHz to
4000 MHz single-ended radio frequency (RF) signal at its output.
The IF transmitter chip is housed in a compact 5 mm × 5 mm
LFCSP package and supports complex modulations up to
1024 QAM. The HMC8200LP5ME simultaneously reduces the
design complexity of traditional microwave radios while realizing
significant size and cost improvements. With IF input power
ranges from −31 dBm to +4 dBm, the HMC8200LP5ME
provides 35 dB of digital gain control in 1 dB steps and an
analog voltage gain amplifier (VGA) continuously controls the
transmitter output power from −20 dBm to +5 dBm.
The device also features three integrated power detectors. The
first detector (LOG_IF) can be utilized to monitor the IF input
power. The second detector (SLPD_OUT) is a square law power
detector that monitors the power entering the mixer. The third
power detector (LOG_RF) is used to monitor the output power,
which can be used for fine output power adjustment.
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