AN, PLL Frequency Synthesizer, PLL02A. C, PLL Frequency Synthesizer for CB. C, PLL Frequency Synthesizer for CB. This 27 MHz band, PLL frequency synthesizer LSI chip is designed specifically for CB transceivers. The LC incorporates PLL circuitry and a controller . A page which lists the PLL used in most CB radio’s. Radios And Their PLL Chips! .. C, NA, MIDLAND, C, NA, MIDLAND, C .
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Modification can be done by changing the loop mixing crystal or controlling pin 10 on the MB See Secure Order Form for prices. Pin 3 controls this operation. Covers all the most pol chassis, including: These chips use 5c121 double ROM set to deny illegal modifications. Completely revised and expanded to include all the latest chip technology. AM models can be modified by changing the programming or loop mixing crystal.
It uses a single Plp is a great PLL. Also has a pair of MC binary adders to increase Ncode range. Now you don’t have to be an electronic genius to understand PLL synthesizer circuits and frequency modifications.
Simple but detailed text and illustrations, all carefully prepared and written for the average person.
Due to large number of pl, using this chip I have not listed them. Covers all the most common chassis, including: These PLL’s are described elsewhere in this document. It requires that you change both crystals to get all modes.
Plus all the very latest state-of-the-art devices in CB use worldwide. All the latest U. Used in alot of the newer Uniden ‘clone’ export radios. The chip cannot be modified except the LC SBB chassis which can be modified with an external oscillator and mixer. Does the same functions but in one chip.
The SSB models are very broadbanded enabling channels. This chip uses simple 8 bit binary programming. This chip also uses 6 bit binary programming. We’ve combined hundreds of CB models and years of PLL experience into a single handy reference source. In the Export versions it has a pair of MC binary Adders connected to it, this enables more Ncodes per mixing crystal.
This Pll is now fitted to Unidens that say “Made in Malaysia” on the back panel.
C5122 PLL Synthesizer
It is used in conjunction with the MSL programmable divider. If these are c5112 they make up a 8 bit binary counter. This chip is the same as above,the only diference is that this one uses a See Order Form for prices. The MB is used in the popular Uniden chassis.
This is a very poor design.
CB PLL modifications list
The AM models use a loop oscillator singnal and can be easily modified. The resistor near Pin9 needs to be removed and a jumper wire with a ferrite bead put in its place to reconnect power to pin 9. Professionally typeset, bound and illustrated, the big new International Edition covers all the most popular, classic PLL circuits.
This is “must” reading for every true CB hobbyist or serviceman! Like what you see on our site? These are simplified illustrations showing exactly how a particular chip is used to generate all IF frequencies, downmix frequencies, Clarifier and SSB offsets, etc. These models used the famous ‘sardine can’ type sealed PLL unit. Can be modified slightly by changing the programming to the pins.
RigPix Database – Components and datasheets – PLL and DDS circuits
Here’s the most comprehensive easy to understa nd reference guide to CB radio PLL circuits you’ll ever need. Now you don’t have to be an electronic genius to understand PLL synthesizer circuits and frequency modifications. Plus all the very latest state-of-the-art devices in CB use worldwide.
This is the only reference especially written to include non-technical people and serious repairmen. This chip uses binary programming. Used in both U. No chance of modification. Simple but detailed text and illustrations, all carefully pl and written for the average person. We’ve combined hundreds of CB models and years of PLL experience into a single handy reference source.
Also included is a unique section of specially prepared PLL chassis diagrams.
This is one of the newer ROM type chips. This is the only reference especially written v5121 include non-technical people and serious repairmen. Modification is done by useing an external oscillator to replace the doubled 20 Mhz mixing signal coming from the 10 Mhz reference divider. This radio is useless without the mike controller.