154
Specifi cations
Rotary pulse
Input impedance 100 kΩ or more
Input voltage range
0 V to 10 V (Open collector supported, TTL supported)
Threshold level
Approx. 2.5 V
Counting method Periodic counting
Measurable revolution speed range
200 rpm to 600,000 rpm (1 pulse / rotation)
Output section
Output connectors
Playback output × 4 (2.5 mm dia.) playback recorded signal
Monitor out
× 1 (3.5 mm dia. stereo mini jack)
When recording:
Analog signal output of a selected channel
When playing back:
Playback output (including voice menu) of a selected
channel
Playback output
Playback output connector
Output impedance
600 Ω
Frequency response
DC to 1 Hz:
±1.0 dB
1 Hz to 12.5 kHz:
±0.5 dB
12.5 kHz to 20 kHz: ±1.0 dB
Output voltage ±3.16 V (corresponding voltage at range full scale)
Maximum output voltage
±4.0 V
Offset
1.5% or less of maximum output
S/N ratio
72 dB or more
(within frequency band, including overload)
Inter-channel phase lag
1 deg max. (within frequency band)
Summary of Contents for DA-21
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