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AV681TX-Kit, Rev C
Page 1
© Nov-03-2008
AV681TX 5.8GHZ A/V TRANSMITTER KIT
Rev-C Hardware
INTRODUCTION
This 5.8Ghz 100mW A/V transmitter kit provides a custom printed circuit
board set and quality electronic components. All you need to add is an
antenna of your choice and about three hours of your time.
NOTICE: This kit involves precision SMD soldering and it is NOT intended for
beginners to assemble. It is suitable for amateur radio hobbyists and RF
technicians. The builder must have good quality soldering tools, an anti-static
work environment, and electronic assembly experience.
Note: This transmitter will require a ham radio license for hobby applications. Some
countries may prohibit use. Please consult your government’s spectrum regulations
before using this device.
B
ILL OF
M
ATERIALS
QTY
DESCRIPTION
DESIGNATOR
NOTES
====
===================
============
=========================
3
.1uF Cap
C1, C3, C8
0805 pkg.
4
47uF 6V Cap
C6, C7, C20, C22
Observe polarity. 3528-21pkg.
1
47uF 16V Cap
C21
Observe polarity. 6032-28 pkg.
3
330uF Cap
C2, C4, C5
Observe polarity. 7343-31 pkg.
3
2.2K Resistor
R1, R2, R3
0805 pkg.
1
22uH Inductor
L1
3225 pkg.
1
DL4001 Diode
D20
Observe polarity. MELF pkg.
2
KF50BDT
U20, U21
TO-252 pkg.
1
DIP Switch
S1
SOIC Package
1
SMA-RP Connector
N/A
Antenna connector
1
Tall Post Header, 4-pin
PCB Assy
Cut into one 2-pin and two 1-pin
1.75"
Heatshrink, 2" Size
N/A
See text
1
Double-sided foam pad N/A
See text
1
AWM681TX Module
#AWM681TX
Static sensitive, handle with care.
1
Printed Circuit Board Set
PCB, Rev-C
2-piece PCB set
The following accessories are available separately. You may use our recommendations or any
suitable equivalent:
AVAILABLE ACCESSORIES
5.8GHz 8dBi Patch Antenna, #HG5808P-SMA and Coax Cable #CSR400 or #CSR316.
5.8GHz 5dBi Patch Antenna, #AWM5.8ANT
5.8GHz 4dBi Dipole Antenna, #ANTDRP-5.8.
5.8GHz 2dBi Dipole Antenna, #ANTTRP-5.8.
Tiny-Mic Amplified Microphone, #MIC-001