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Established

1999

MB8719/MB8734 PLL

Models

AM In-dash Models
 Cobra 46/47XLR, 50/55XLR
.
Single Conversion AM/SSB US models
 Cobra 140/142GTL, Courier Galaxy, Midland 79-900, President P400/McKinley/Washington (new),
Realistic TRC450/TRC490, Robyn SB505D/SBE LCBS-8/LCMS-8,
Teaberry Stalker IX/XV/XX, Tram D80/D300, Uniden Washington.

Dual Conversion AM/SSB US/Australian Models
 Cobra 148/2000GTL, Pearce-Simpson Super Bengal MkII,
President Grant (new)/Madison (new), Uniden Grant/Madison.

Multimode AM/FM/SSB Export Models
 Cobra 148GTL-DX(early,PC879), President Grant(export,PC899),
President McKinley (export), Stalker 9-FDX(PC893), Stalker XX Export

The MB8719 is used in the popular Uniden chassis. In the Export versions it has a pair of MC14008 binary
Adders connected to it, this enables more Ncodes per mixing crystal.

Modification can be done by changing the loop mixing crystal or controlling pin 10 on the MB8719.If the
MB8734 PLL is fitted, replace it with the MB8719 then pin 10 can be controlled.

(THE SCREWDRIVER EXPERTíS" GUIDE By Lou Franklin, K6NH)

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