Telequipment Oscilloscope Calibrator C3: Difference between revisions

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The '''Telequipment C3''' is a solid state oscilloscope calibrator.
The '''Telequipment C3''' is a solid state oscilloscope calibrator.


From the manual:<br />
From the manual:
<blockquote>
The Calibration Unit Type C3 is a small portable mains-operated instrument for use in service centres.


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.
It provides a wide range of output signals, with a high degree of accuracy as shown in the Specification, for test and calibration purposes.
</blockquote>


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Markers | 100 ns to 5 s, 1-2-5; pulse amplitude ~1 V; pulse width ~2% of period; accuracy ±0.01% }}
{{Spec | Markers             | 100 ns to 5 s, 1–2–5; pulse amplitude ~1 V; pulse width ~2% of period; accuracy ±0.01% }}
{{Spec | Amplitude Calibrator | Square waves switched at 10kHz, 1kHz, 50Hz, 10Hz, 1Hz, also DC; amplitude 100 V to 0.025 V and 100 mV to 0.025 mV, 1-2-5; rise time ≤ 100 ns; 50 Hz output has rise time of 400 μs. Accuracy ±0.2% when loaded with 1 MΩ except 0.05 V/mV ±0.3% and 0.025 V/mV ±0.35%; output impedance varies from 5 kΩ at 50 V and 50 mV down to 75Ω at ≤ 0.5 V and 0.5 mV. }}
{{Spec | Amplitude Calibrator | 10 kHz / 1 kHz / 50 Hz / 10 Hz / 1 Hz square wave, or DC; amplitude 100 V to 0.025 V and 100 mV to 0.025 mV, 1–2–5; rise time ≤ 100 ns; 50 Hz output has rise time of 400 μs. Accuracy ±0.2% when loaded with 1 MΩ except 0.05 V/mV ±0.3% and 0.025 V/mV ±0.35%; output impedance varies from 5 kΩ at 50 V and 50 mV down to 75 Ω at ≤0.5 V and 0.5 mV. }}
{{Spec | Fast Rise Signal | Square waveform switched at 100 kHz, 1 MHz, 10 MHz; rise time ≤ 1 nsec; output 0.2 V max into 50 Ω }}
{{Spec | Fast Rise Signal     | Square waveform switched at 100 kHz, 1 MHz, 10 MHz; rise time ≤ 1 ns; output 0.2 V max. into 50 Ω }}
{{Spec | Television Waveform | A 625 line signal, +ve and —ve modulation; amplitude 1.6 V<sub>p-p</sub>; iutput impedance 75 Ω; -ve going output is DC coupled from earth, +ve going output is AC coupled.<br />
{{Spec | Television Waveform  | 625-line signal, +ve and —ve modulation; amplitude 1.6 V<sub>p-p</sub>; output impedance 75 Ω; -ve going output is DC coupled from ground, +ve going output is AC coupled }}
Modulation is switch selected as:<br />
{{Spec | TV signal modulation | Black, White, or square wave at 62.5 kHz / 250 kHz / 1 MHz / 5 MHz; Modulation can be switched on and off at one-second rate. }}
: Black<br />
{{Spec | Auxiliary Outputs    | Available on 4 mm sockets at the side; square waves at 10 MHz, 1 MHz, 100 kHz, 10 kHz, 1 kHz, 100 Hz, 10 Hz, 1 Hz; amplitude ~2.5 V, output impedance ~1 kΩ }}
: White<br />
{{Spec | Ext Clock           | External clock frequencies of 2 V peak to peak amplitude may be fed to the 10 MHz Auxiliary Output socket }}
: 62.5kHz )<br />
{{Spec | Power               | 100, 110, 120, 200, 220, 240 V, 48 to 440 Hz, 13 VA. }}
: 250kHz )<br />
{{Spec | Size                 | 107 mm × 228 mm × 285 mm (H×W×D) }}
: 1MHz ) square waves.<br />
: 5MHz )<br />
Also modulation can be switched on and off at 1 sec rate. }}
{{Spec | Auxiliary Outputs | Available on 4 mm sockets at the side; square waves at 10 MHz, 1 MHz, 100 kHz, 10 kHz, 1 kHz, 100 Hz, 10 Hz, 1 Hz; amplitude ~2.5 V, output impedance ~1 kΩ }}
{{Spec | Ext Clock | External clock frequencies of 2V peak to peak amplitude may be fed to the 10 MHz Auxiliary Output socket. }}
{{Spec | Power Supply | 100, 110, 120, 200, 220, 240 V, 48 to 440 Hz, 13 VA. }}
{{Spec | Size | 107 mm × 228 mm × 285 mm (H×W×D) }}
{{EndSpecs}}
{{EndSpecs}}


==Pictures==
==Pictures==

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