AC-RX2/CS
User Manual
Le caratteristiche tecniche possono subire variazioni senza preavviso. La AUR°EL S.p.A non si assume la responsabilità di danni causati dall’uso improprio del dispositivo.
AUR°EL S.p.A.
Via Foro dei Tigli, 4 - 47015 Modigliana (FC) – ITALY Rev. A, 2-02-2010
Tel.: +390546941124 – Fax: +390546941660 Pag 3 di 4
http://www.aurel.it
- email:
50 Ohm line
1. It must be the shortest as possible.
2. 1,8 mm wide for 1 mm thick FR4 printed circuits and 2,9 mm wide for 1,6 mm thick FR4 printed circuits.
On the same side, it must be kept 2 mm away from the ground circuit.
3.
On the opposite side a ground circuit area must be present.
Antenna connection
1. It may be utilized as the direct connection point for the radiating whip antenna.
2. It can bear the connection of the central wire of a 50
Ω
coaxial cable. Be sure that the braid is welded to
the ground in a close point.
Antenna
1. A
whip
antenna, 16,5 mm long and approximately 1 mm dia, brass or copper wire made, must be
connected to the RF input of the receiver.
2. The antenna body must be keep straight as much as possible and it must be free from other circuits or
metal parts (5 cm minimum suggested distance.)
3.
It can be utilized either vertical or horizontal, provided the connection point between antenna and
receiver input, is surrounded by a good ground plane.
N.B
:
As an alternative to the a.m. antenna it is possible to utilize the whip model manufactured by Aurel
(see related Data Sheet ed Application Notes).
By fitting whip antennas too different from the described ones, the EC Certification is not assured.
Other components
1. Keep the receiver separate from all other components of the circuit (more than 5 mm).
2. Keep particularly far away and shielded all microprocessors and their clock circuits.
3. Do not fit components around the 50 Ohm line. At least keep them at 5 mm distance.
4.
If the Antenna Connection is directly used for a radiating whip antenna connection, keep at least a 5 cm
radius free area. In case of coaxial cable connection then 5 mm radius will suffice.
Reference Rules
The
AC-RX2/CS
receiver is EC certified and in particular it complies with the European Rules ETSI
EN 300
220-2 V2.3.1 (2009-12)
in class 3 and
EN 301-489-3 V1.4.1 (2002-08)
in class 3, with max voltage
supply. The equipment has been tested according to
rule EN 60950
and it can be utilized inside a special
insulated housing that assures the compliance with the above mentioned rule. The receiver must be supplied
by a very low voltage safety source protected against short circuits The use of the receiver module is
foreseen inside housings that assure the overcoming of the rule
EN 61000-4-2
not directly applicable to
the module itself. In particular, it is at the user’ s care the insulation of the external antenna connection, and
of the antenna itself since the RF output of the receiver is not built to directly bear the electrostatic charges
foreseen by the a.m. rule.
