Description

Manufacturer: Hewlett Packard HP

Model: 8657A

Condition: Used. Comes in non-original packaging. This Generator is in Fair cosmetic condition with lots of scuffs/scratches/residues from prior use, and some adhesive label residues. The front has lots of little spots of missing paint and small dings around the front edge. The power button has small amounts of plastic worn away around the corners. When this came to us, the top cover was loose for unknown reasons. We peeked under the cover, and everything looked okay. We suspect the cover came off because the cover screws' plastic parts are broken off. There is a very faded label on the front, which we enhanced and put in the last picture, the previous owner labeled this "Loss w/ FM .8 dB, loss w/o FM 3.2 db" we are not sure what this means.
The photos show the exact item(s) the buyer will receive.

Notes: This generator is in Good working condition as far as we can test. We verified operation from 10kHz to 1040MHz, and saw it give AM and FM. We don't have a power sensor to verify exact levels, but using our oscilloscope we saw solid signals from -70 to +10 dBm. Controls responded to user inputs. The display is bright and clear.
No manuals, cords/cables, or additional items are included if not listed or shown.

Included:

(1) HP 8657A Signal Generator

Specifications:

Manufacturer: Hewlett Packard
Model 8657A Signal Generator
Range: 100kHz to 1.04GHz
Wide dynamic range: +13 to -143.5dBm
With programmable AM and FM modulation abilities
Full HP-IB (IEEE-488) programmability
Low residual FM
Rear panel output 50Ω N type connector (option 002)

Rear Panel Option 002 N type Output Jack

CDN Systems LLC, DBA Doug Deals, is not an authorized distributor or affiliated with the manufacturer of this product. Original manufacturer's warranty does not apply.

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Warranty Information

30-Day Guarantee

Items can be returned for any reason within 30 days of delivery.
Buyers must notify Dougdeals in writing within this period to initiate a return.
Returns must be authorized by Dougdeals and include an assigned RMA (Return Merchandise Authorization) number.
Authorized returns must be received by Dougdeals within 21 days of return authorization.

Return Shipping and Refunds

If the return is due to seller error (e.g., wrong item sent, defects not described, inauthenticity), DougDeals will cover the return shipping costs and process a complete refund, including the original shipping charges, within two business days of receiving the returned item.
If the return is due to buyer error (e.g., wrong part ordered, compatibility issues, no longer needed, found a better price), the buyer is responsible for:
- Safe return shipping.
- Return shipping costs.
- Any loss or damage during return transit.

Exclusions and Limitations

Replacement or substitute items may be provided at Dougdeals’ discretion instead of a refund.
Returned items must be in the same condition as when sent and include all components.
There is no restocking fee, but Dougdeals reserves the right to deduct costs from refunds for altered or damaged items.
Items returned due to seller error that are found to be accurately described will have return shipping deducted from the refund.
Original shipping charges are non-refundable for orders shipped internationally or to U.S. territories, Alaska, or Hawaii.

Shipping and Responsibility

International and expedited shipping costs, import fees, calibration fees, and testing fees are the buyer’s responsibility.
Any damage occurring during transit via Dougdeals-arranged third-party services or Dougdeals employee delivery must be noted in writing on the delivery receipt at the time of delivery. Failure to do so will result in the buyer assuming responsibility for damage claims.
Dougdeals is not liable for loss or damage during transit via buyer-arranged shipping services.
Customs, duties, taxes, brokerage fees, and all import-related costs for international shipments are the buyer's responsibility.

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