2 MHz Sweep/Function Generator

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2 MHz Sweep/Function Generator http://www.upscale.utoronto.ca/specs/wavetek19.html Click here to go to UPSCALE home page. Click here to go to I Year Lab home…
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2 MHz Sweep/Function Generator http://www.upscale.utoronto.ca/specs/wavetek19.html Click here to go to UPSCALE home page. Click here to go to I Year Lab home page. You can jump directly to a section of this specification sheet by selecting an item below and clicking the left button. Description of Apparatus Apparatus Specifications Instructions for use of Apparatus [image] Manufacturer: Wavetek Model: 19 The generator is a precision source of sine, triangle, ramp, and pulse waveforms plus DC output. A TTL/CMOS output is also provided. The frequency range is 0.002 Hz to 2MHz selcted by a seven decade range multiplier and calibrated vernier. Both the frequency vernier and the sweep input can control up to 1000:1 frequency change within a selected range. The generator output level is 20 Vp-p maximum from a 50 ohm source. The level is set via a switched attenuator plus vernier with a total range of 50 dB. DC offset is vernier adjustable over a ±10V range with center detent for 0V. A 9:1 symmetry range permits ramp and pulse waveforms to be produced. Waveforms sine, triangle, square, TTL pulse or DC OUT Frequency 0.002 Hz to 2 MHz (7 ranges) 2: 0.002 to 2 Hz 20: 0.02 to 20 Hz 200: 0.2 to 200Hz 1 di 3 14/04/2014 13.22 2 MHz Sweep/Function Generator http://www.upscale.utoronto.ca/specs/wavetek19.html 2k: 2 Hz to 2kHz 20k: 20 Hz to 20 kHz 200k: 200 Hz to 200 kHz 2 M: 2 kHz to 2MHz Internal Sweep Generator Sweep Range Up to 1000:1 within each range Sweep Rate 30 ms to 15 s (typically 20 ms to 20 s) Sweep Mode Linear or logarithmic. Amplitude Modulation Modulated by internal 400 Hz oscillator Precision (Display Accuracy) Frequency ±5 digits on 2 kHz to 2MHz ranges = 1.5% of full scale on 2Hz to 200Hz ranges Amplitude Typically 5% of range at 1kHz DX offset Typically 2% of reading + 100 mV Resolution 0.05% maximum on all ranges (1 part in 2000) Distortion less than 1% on 200, 2k and 20k ranges (sine) less than 1.5% on 20 and 200k ranges (sine) Output Impedence Source of selected function at 50 ohm Peak Output 100 mA maximum into 50 Ohm Click here to go to the top of this page. 1. Setting generator frequency 1. Use FREQUENCY RANGE BUTTONS to select the decade range in which your desired frequency appears. 2. Adjust the FREQUENCY VERNIER to the required target frequency. 3. Observe the display readout and readjust the FREQUENCY VERNIER if necessary until the display matches the target frequency. 2. Selecting waveform and waveform symmetry 1. Select a waveform using FUNCTION BUTTONS (sine, square, triangle) 2. Skewness of waveform can be obtained by pressing the SYM BUTTON and then adjusting the SYMMETRY control. Monitor the display. 3. Selecting waveform amplitude and offset 1. Adjust the AMPLITUDE control where the display reads twice the desired waveform voltage 2 di 3 14/04/2014 13.22 2 MHz Sweep/Function Generator http://www.upscale.utoronto.ca/specs/wavetek19.html (ie. a 2 Vp-p sine wave should have AMPLITUDE set to 4 Vp-p). 2. Press the DISPLAY SELECT BUTTON to enable the DC units indicator. To specify offset, adjust DC OFFSET until the display reads twice the desired offset. 4. Operating Sweep Generator 1. After setting FREQUENCY RANGE, pull the RATE and STOP controls out to turn on the sweep generator to a LOG vs linear sweep. 2. Press and hold SET START while adjusting the FREQUENCY DIAL to the opening range frequency. 3. Press and hold SET STOP while adjusting the FREQUENCY DIAL to the closing range frequency. 4. Connect SWEEP OUT to a frequency counter to set the waveform period (seconds) 5. Connect MAIN OUT to the scope to observe the swept waveform. Click here to go to the top of this page. keywords: signal generator, frequency generator, triangle wave generator, sine wave generator, square wave generator, electrical source. Document created June 13, 1996. Original author: Jeremy Bailin and Jaime Espinoza. 3 di 3 14/04/2014 13.22
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