User manual

AVALON RF, INC. Page 5
MX416 User’s Guide & Operating Manual
The receiver has the following interfaces:
2.3.4 Power Input
a) The receiver works on unregulated dc power of 6 – 14 V DC.
Current consumption is only 150 mA.
2.3.5 Speaker Output
a) The MX416 receiver is capable of supplying 30mW into a 16 ohm
headset speaker.
b) If an external amplifier will be used, the speaker/audio signal
should be terminated by a parallel combination of a 22 ohm
resistor and a 0.1uF capacitor. If you need assistance with this
arrangement, please call Avalon RF Engineering and we will
gladly help.
2.4 Interconnecting.
The interface to the transmitter is:
Pin
Number
Function
1 Power/Charge Return (-)
2 N/C (No Connection)
3 N/C (No Connection)
4 Power/Charger Input (+)
Figure B – Battery Charger Input