Treetop Circuits | Products and Sales

By: Treetop Circuits  09-12-2011
Keywords: receivers, Product Detector

Products

PD3 Product Detector / SSB Adapter

This is our original SSB Adapter for the Collins 51J and R-388 series receivers. It provides a high-level single-balanced product detector and a fast-attack slow-return AGC system for SSB. AM operation is unchanged. It was available until November, 2010, when it was replaced by the SB-51.


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SB-51 Product Detector / SSB Adapter

This is the current SSB adapter for the 51J-3, 51J-4, R-388, and R-388A receivers. The product detector circuit is identical to that in the PD-3. The AGC circuit now uses a separate AGC amplifier for SSB, which provides a better "hang" characteristic. A dual-time-constant circuit resists blocking when impulse noise is present. AM performance is unchanged.


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SB-75 Product Detector / SSB Adapter

Incorporating circuits nearly identical to those in the SB-51, the SB-75 provides excellent SSB performance in the Collins 75A-2 and 75A-3 receivers. As with our other products, AM performance is unchanged. If an NBFM adapter is present in the receiver, its operation is unaffected.


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Sales

We ship within three business days of payment, via Canada Post, which takes 4-10 business days (occasionally longer). Be advised that tracking is not provided outside Canada. Other services are a bit faster, and provide tracking, but are much more expensive and may bill you for brokerage.

Keywords: Product Detector, receivers,

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