The 200CD was used for testing servo and vibration systems, medical and geophysical equipment, audio amplifiers, sonar and supersonic apparatus, carrier telephone systems and video frequency circuits.

View and Download HP 200CD operating and servicing manual online. wide range oscillator. 200CD power tool pdf manual download.

the Hewlett-Packard 200CD is a "wide range oscillator" that generates a sine wave in the subsonic, audio, and ultrasonic frequencies (5 Hz to 600 KHz). I bought my HP 200CD for one task: aligning the second IF (intermediate frequency) section of my Hallicrafters SX-88 communications receiver.

The Model 200CD's wide frequency coverage made it very valuable as a general purpose oscillator. Take a virtual tour of this product, see close-up images and read about its history.

The Hewlett-Packard HP-200CD audio generator will generate sine waves from 5 Hz to a bit over 600 KHz. That puts its upper ranges right into the broadcast band.

Last, but not least, the 200CD was the last fully vacuum tube instrument produced by HP. The 428B Clip-on DC Milliammeter remained one more year in the catalog but for the purist, the 428B included some transistors in its latest versions.

The HP 200CD Among the above listed 200 series oscillators, the largest diffused one was the 200CD. The HP 200CD has the following specifications: Frequency coverage 5 cps to 600 Kc in 5 ranges. 160 mW into 600 ohms or 20 Volts open circuit at 1 % distortion and +/- …

I've had a 200CD since 1973, and it was probably almost ten years old then. Extremely low distortion, output-leveled audio oscillator good to 600 kHz.

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Output 160 mW (10 volts) into 600 ohm load, 20 volts open circuit. Distorsion less than 1%. The circuit is based upon a balanced push-pull amplifier and a balanced frequency and amplitude …