Function Generator A / B Equipment Hewlett-Packard, HP; Palo Alto, CA, build , 8 pictures, 1 schematics, United States of America, tubes. I finally got around to purchasing my first function generator. It was won off Ebay and is in good shape. Everything appears to function except for. The HP A was introduced in the catalog as a compact voltage- controlled function generator with 10 decades of range. Available output waveforms are.

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HP A Function Generator powers on but indicator light does not work. I dont need calibration just a bad part replacement. This item will ship to United Statesbut the seller has not specified shipping options.

The modulation generator can also gate or trigger the main generator to give single-cycle or multiple-cycle modes of operation. The 2 30 volt cap power supply side of the generator is supposed to deliver 10 volts at the output in 2 places. Each supply 10 volts to the generators circuit. I scoured the internet and I found some caps that match the 50 volt uf rated caps.

Minimum monthly payments are required. Seller information serviceguy61 Hooksett, New Hampshire, United States. That has to come off to service it. Does anyone have the skills to repair it at minimal charge? Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc.

Each power supply has a large uf electrolytic capacitor in its circuit. Being sold as is. This includes items that are defective in ways that render them difficult to use, items that require service or repair, or items missing essential components. A fourth function available is a separate pulse output suitable for synchronization or driving TTL logic circuits.


Practically all of them are missing at least half of the information. Function Generator Posted by Dr.


Learn more – opens in a new window or tab. This amount is subject to change until you make payment. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing.

I found newer much smaller caps on the internet rated Uf at 50 volts. There is “NO” 25 volts present at 2 locations. Unplug the A3 board from the A4 board. Jul 17, 22, 1, Both outputs are short-circuit proof and may be terminated in any genwrator with very little deterioration in the output signal nominal output impedance is ohms.

HP A function generator repair?? | All About Circuits

Mouse over to Zoom – Click to enlarge. Substantial material from various HP publications appears on the site by permission of the Hewlett-Packard Company. Please enter 5 or 9 numbers for the ZIP Code.

Finally at the very end of the period, inadding the microprocessor technology to HP Lab developped Fractional N integrated circuits, HP introduced a state of the art, new generation of synthesized function generator with the HP A.

The 4 power supplys in turn feed all generator components. Narrow, low-duty-cycle pulse trains can be obtained by setting the main generator to a relatively high frequency and using the trigger mode with a low-frequency gating signal.

Looking at the A link schematic I referenced before the power supply circuit is plain to see. Having said all the above I dont have the expertise to repair it myself.

A FUNCTION GENERATOR [Obsolete] | Keysight (formerly Agilent’s Electronic Measurement)

See other items More Unplug the A4 board from the signal generator. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months. Nov 7, 9. If you make a purchase, there may generahor a delay in processing your order. Resume making your offerif the page does not update immediately. The 2 50 volt cap power supply side of the generator is supposed to deliver 25 h at the output in 2 places.


May 10, 31 0. Calculate Varies based on location and shipping method.

Your name or email address: No guts, no glory! Let me know if you are interested and what you might charge. HP A Function Generator. Nov 7, If you can get the current leakage down to an acceptable rate, you could still use them. Has an output but seems to behave oddly. Can you reference the page the fuse is shown on? Either output supplies any one of the three waveforms sine, square, or triangular independently of the other output and with amplitudes up to 35 volts peak-to-peak into an open circuit or 15 volts into Ohms.

Get the item you ordered or get your money back. If the electrolyte hasn’t leaked and the cases are not bulged, you may be able to re-form the dielectric by using a current-limited voltage to slowly charge them up to their rated voltage.

Special financing available Select PayPal Credit at checkout to have the option to pay over time. Check that fuse first

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