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TK16 Keyphasor® Multiplier/Divider

TK16 Keyphasor® Multiplier/Divider

The TK16 is an externally powered portable instrument that enables you to obtain data on a rotor system which does not have its own once-per-turn Keyphasor signal, but has a speed-related pulse output (typically provided by a proximity transducer or magnetic pickup). By multiplying and/or dividing the frequency of the pulse output, the user can observe the characteristics of a rotor system at multiples and submultiples of shaft rotative speed when the unit is used in conjunction with diagnostic instruments.

TK16 Keyphasor Multiplier/Divider is capable of the following:

  • Conditioning signals from proximity transducers and magnetic pickups.
  • Conditioning tape recorded signals from transducers or amplifier rack outputs.
  • Multiplying and/or dividing the input signal frequency by integer numbers from 001 to 999.
  • Maintaining the phase integrity of a signal between input and output for any multiply number when the divide number is 001.

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Specifications

Inputs

Signal Bias Voltage: +9 to -26 Vdc.
Signal Voltage Minimum: 0.25 to 3.25 volts peak-to-peak (adjustable).
Signal Frequency Minimum:
48 cpm (0.8 Hz)

Maximum:
1,200,000 cpm (20,000 Hz) divided by MULTIPLY switch setting, or 300,000 cpm (5,000 Hz) whichever is smaller.
Signal Ramp Rate: Up to ±25% of period (per period).
Signal Input Impedance: 50k Ω nominal when signal is within signal bias voltage range. 27.5 k Ω minimum.
MULTIPLY Switch Setting: Integer numbers from 001 through 999.
DIVIDE Switch Setting: Integer numbers from 001 through 999.
Power Requirements: -17.7 to -28.0 Vdc relative to common.
Power Supply Current: 20 mA typical, 30 mA maximum.

Outputs

Signal Frequency: Input frequency × M × 1/D , where M = MULTIPLY switch setting, and D = DIVIDE switch setting (steady state).
Pulse Width: 2.0 to 4.0% of output period between 48 cpm (0.8 Hz) and 60,000 cpm (1,000 Hz), 30 Es typical above 60,000 cpm (1,000 Hz).
Signal Amplitude: 0 volt (high level) to -15 volts (low level) nominal.
Signal Output Impedence: 1.5 k Ω at low level, 11.5 k at high level; can drive up to 30 feet of coaxial cable (100 picofarads/foot).
Phase Error: Less than ±2 degrees with DIVIDE switch set to 001, MULTIPLY switch set between 001 and 020, and with output frequencies up to 30,000 cpm (500 Hz).
Phase Correlations: Falling edge of output corresponds to falling edge of input.

Environmental Limits

Operating Temperature: +0°C to +55°C (+32°F to +131°F).
Storage Temperature: -40°C to +85°C (-40°F to +185°F).
Relative Humidity: To 90% noncondensing.

Physical

Size Height: 70 mm (2.75 in)
Width: 140 mm (5.5 in)
Depth: 203 mm (8 in)
Weight: 550 g (1.2 lb)

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Descriptions English
ORBIT TK16 Keyphasor Multiplier/Divider acrobat-reader
TK16 Keyphasor Multiplier/Divider Datasheet acrobat-reader


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