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BIOPAC Hardware | MP36/35/45 | Page 5 - 11 Updated: 12.23.2013
MP36/35/45 Specifications
Analog Inputs
Front panel DSUB 9f labeled “CH #”
Number of Channels: Isolated human-safe universal input amplifiers
MP36: 4 Channels MP45: 2 Channels
A/D Sampling Resolution: MP36: 24-bit MP45: 16-bit
Gain Ranges: 5x to 50,000x (13 steps)
Input Voltage Range: Adjustable from ± 200 µV to ± 2 V
MP36 ± 10 V with SS70L
Signal to Noise Ratio MP36: > 89 dB min MP45: > 75 dB min
Input Noise Voltage: 9 nV rms /sqrt (Hz) and 0.1 µV rms noise (0.1 Hz to 35 Hz) - nominal
Input Noise Current: 100 fA rms /sqrt (Hz) and 10 pA p-p noise (0.1 Hz to 10 Hz) - nominal
CMRR: 85 dB minimum
Filters: Programmable analog and digital (IIR) filters;
automatic or user-adjustable
Analog Output
± 1 V output
Headphone jack: 3.5 mm stereo jack connection
Sample Rate: MP36: 100,000 samples/sec each channel
MP45: 48,000 samples/sec each channel
Serial Interface Type: USB
Certification: Complies with IEC60601-1
EMC complies with IEC60601-1-2
CE Marked
Dimensions/Weight: MP36: 7 cm x 29 cm x 25 cm / 1.4 kg
MP45: 3 cm x 18 cm x 10 cm / 0.3 kg
Additional Specs MP36 Only
Analog Output: Back panel DUSB 9m labeled “Analog Out”
Voltage Output: Range -10 V to +10 V Resolution: 16-bits
Pulse Output: Width: variable, 50 µsec – 100 msec
Repetition: variable. 100 µsec – 5 seconds
Pulse Level: Adjustable from -10 V to +10 V
With BSLSTMB Stimulator: 0 – 100 V
Input Triggering Options
External Trigger: Back panel BNC labeled “Trigger”
TTL positive or negative edge
Analog Trigger: Any Input channel (front panel “CH1 – CH4”)
Digital Trigger: Any of the eight input lines (back panel DSUB 25m)
Electrode Check:
Impedance Range 0-1 M
(Checks Impedance between Vin+ and GND, Vin- and GND)
(See www.biopac.com
for detailed specifications)
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