K EE L OQ? 3 Development Kit User’s Guide
FIGURE 1-2:
RFRXD0420 RECEIVER BOARD
1.5.3
Transmitter Boards
FIGURE 1-3:
TRANSMITTER BOARD
The kit contains two hand-held transmitter boards:
? HCS362 K EE L OQ hardware encoder
? PIC16F636 microcontroller software encoder
These transmitters allow the user to explore a wider range of hardware configurations.
Additionally, both transmitters can be modified to add DIP sockets, enabling the user to
change the encoder device easily.
The RF transmitters use a simple Colpitts oscillator driven by a SAW (Surface Acoustic
Wave) resonator. Both transmitters are powered by a CR2032 or equivalent 3V battery
(not included in the kit).
DS41378A-page 10
? 2009 Microchip Technology Inc.
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