74 NUCLEUS 7 SOUND PROCESSOR USER GUIDE
Operating characteristics
Processing unit
CHARACTERISTIC VALUE/RANGE
Sound input frequency range 100 Hz to 8 kHz
Wireless technology Proprietary low power bidirectional
wireless link
RF frequency 2.4 GHz
Operating voltage 2.00 V to 4.25 V
Power consumption 20 mW to 100 mW
Charge cycles ≥ 80% capacity after 400 charge/
discharge cycles at room temperature
Button functions Turn processor on and off, turn audio
streaming on and off, change program
Remote communication range Up to 2 m
Battery module
TYPE CAPACITY/VOLTAGE RANGE
Disposable battery
module
Two PR44 (zinc air) button cell batteries. 1.45 V
(nominal) each.
Cochlear recommends 675 zinc air batteries
designed for cochlear implant use.
Compact rechargeable
battery module
91 mAh / 3.7 V
Standard rechargeable
battery module
183 mAh / 3.7 V
Coil
CHARACTERISTIC VALUE/RANGE
Operating voltage 2.0 V to 2.6 V
Operating frequency 5 MHz
DRAFT ONLY FOR CLINICAL TESTING
592753_1-06_EN_CP1000_UG_EMEA.indd 74 14/06/2016 1:23:59 PM
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