Adcom A723 Mobility Aid User Manual


 
58
Receiver
Sensitivity (10 db S/N) -93 (A720)
-105(A723)
dBm
Image Frequency Attenuation (1st IF = 45 MHz) 35 dB
Local Oscillator Leakage 2 nW
Adjacent Channel Attenuation (both versions) 55 dB
RSSI Dynamic 90 dB
Operating Current (incl. onboard microcontroller)
c
15 mA
Transmitter (all measurements made on a 50 resistive load)
Output Power 7 9 10 dBm
Spurious Radiation (0 to 862 MHz) 2 nW
Spurious Radiation (862 MHz to 3.5 GHz) 200 nW
Adjacent Channel Power (12.5 kHz version) -32 dBm
Adjacent Channel Power (25 kHz version) -44 dBm
Occupied Bandwidth (12.5 kHz version) 8.5 kHz
Occupied Bandwidth (25 kHz version) 15 kHz
Operating Current (incl. onboard microcontroller) 50 mA
A720/A723 only
Analog Inputs 0 2.5 V
Analog to Digital Converter Resolution 8 (A720)
10 (A723)
bits
Digital Inputs V
il
0.5 V
Digital Inputs V
ih
2.5 V
Pulse Counter Input Frequency
d
1.5 Hz
Pulse Counter Resolution 8 (A720)
16 (A723)
bits
Digital Outputs Sink/Source 2 mA
Digital Outputs V
ol
0.3 V
Digital Outputs V
oh
2.9 V
Table 6. Operational Parameters (Continued)
Parameter Min Typ Max Unit