PLC LV Evaluation Board
3.3
Hardware Description
The key sections of the low voltage PLC evaluation board are highlighted in Figure 3-1. The board is
divided into four main sections:
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■
■
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Power supply circuit
Transmit amplifier
Transmit and receive coupling circuit section
Cypress powerline transceiver and user controls
Figure 3-1. Top View of Cypress PLC LV Evaluation Board
The communication signal flow on this LV board is:
Transmit: CY8CPL10 TX Pin → Power Amplifier Circuitry → LV PLC Circuitry → LV Powerline (12 V
to 24 V AC/DC)
Receive: LV Powerline (12 V to 24 V AC/DC) → LV PLC Circuitry → Passive Low Pass Filtering →
VDD/2 Biasing → CY8CPLC10 RX Pin
2
The core of the PLC LV board is the CY8CPLC10 chip. The board contains an I C connector,
jumpers to control various functions, and a five-position DIP switch.
18
CY3273 Cypress Low Voltage Powerline Communication Evaluation Kit Guide, Doc. # 001-55382 Rev. *C
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