Telequipment Oscilloscope Calibrator C3
The Telequipment C3 is a solid state oscilloscope calibrator.
From the manual:
The Calibration Unit Type C3 is a small portable mains-operated instrument for use in service centres. It provides a wide range of output signals, with a high degree of accuracy as shown in the Specification, for test and calibration purposes.
|Markers|| 100 nsec, to 5 secs. in 1-2-5 sequence (24 position switch).|
Pulse amplitude ~1 V approximately.
|Amplitude Calibrator|| Square waves switched at 10kHz, 1kHz, 50Hz, 10Hz, 1Hz, also DC.|
Amplitude 100 volts to 0.025 volts and 100mV to 0.025mV in 1-2-5 sequence (11 position switch with 1000:1 attenuator).
|Fast Rise Signal|| Square waveform switched at 100kHz, 1MHz, 10MHz.|
Risetime ≤ 1 nsec.
|Television Waveform|| A 625 line signal, +ve and —ve modulation.|
Amplitude 1.6V peak to peak. Output impedance 75ohm.
Also modulation can be switched on and off at 1 sec rate.
|Auxiliary Outputs|| Available on 4mm sockets at the side.|
Square waves at 10 MHz, 1 MHz, 100 kHz, 10 kHz, 1 kHz, 100 Hz, 10 Hz, 1 Hz.
|Ext Clock||External clock frequencies of 2V peak to peak amplitude may be fed to the 10 MHz Auxiliary Output socket.|
|Power Supply||100, 110, 120, 200, 220, 240 V, 48 to 440 Hz, 13 VA.|
|Size|| Height 107 mm|
Width 228 mm