1. Printed Circuit Boards (PCBs) For Sale
  2. sku: 17197340174388793
  3. MITSUBISHI M54929P

MITSUBISHI M54929P Radio Pll Synthesizer Circuit Brd Ics Is B704B

M54929p Mitsubishi Vintage Radio Pll Synthesizer Circuit Brd B704b With Ics As-is

( Brand: Mitsubishi ), ( Manufacturer Part Number: M54929P ), ( Part Type: Circuit Radio ), ( Pcb Type: Vintage Radio Pll Synthesizer Circuit Board ), ( Unit Type: Unit ), ( Material: Plastic )

Review MITSUBISHI Vintage Radio Pll Synthesizer Circuit Brd Ics As is

The Mitsubishi M54929P is a highly specialized and versatile **PLL (Phase-Locked Loop) Synthesizer IC**, designed for precision frequency generation and signal processing applications within communication systems, test equipment, and industrial electronics. This **B704B circuit board**, featuring the M54929P as its core component, represents a robust, mid-century-era solution for synthesizing stable, programmable frequencies with exceptional accuracy. The M54929P itself is a monolithic CMOS integrated circuit engineered to deliver high-performance frequency synthesis through its advanced PLL architecture, incorporating a phase detector, charge pump, voltage-controlled oscillator (VCO), and programmable divider networks. This board is particularly well-suited for applications requiring precise frequency control, such as in **radio transmitters, receivers, spectrum analyzers, or automated test systems**, where reliability and minimal phase noise are critical.

The **B704B circuit board** housing this IC is a self-contained module, likely designed for easy integration into larger systems, offering a compact yet functional solution for frequency synthesis tasks. The M54929P operates efficiently within a broad voltage range, typically accommodating inputs from 5V to 15V, making it adaptable to various power supply configurations. Its internal architecture allows for **programmable frequency division ratios**, enabling the generation of output frequencies spanning multiple octaves while maintaining low jitter and phase noise a critical advantage in applications where signal integrity is paramount. The IC s CMOS construction ensures low power consumption, contributing to longer operational lifespans in battery-powered or energy-efficient designs.

As an **as-is** unit, this board may exhibit signs of age, such as minor wear on connectors, slight discoloration of components, or potential degradation of passive elements like capacitors or resistors. However, the M54929P itself remains a reliable and durable component, capable of delivering consistent performance if properly powered and operated within its specifications. This makes it an attractive option for hobbyists, restorers of vintage electronics, or engineers seeking a cost-effective alternative to modern synthesizers in legacy systems. Whether used in a **ham radio setup, a retro computing project, or a custom signal generator**, the Mitsubishi M54929P on the B704B board provides a blend of historical engineering with practical functionality, bridging the gap between analog precision and modern digital demands.

### Pros and Cons of Buying a Used Mitsubishi M54929P Radio PLL Synthesizer Circuit Board (B704B ICs) as-Is

#### **Pros:**

1. **Cost-Effective Solution** Purchasing a used or refurbished component can be significantly cheaper than buying a new one, especially if the original part is expensive or hard to source. This can be particularly useful for hobbyists, repair technicians, or small businesses working on tight budgets.

2. **Functional and Tested (If Verified)** If the seller provides documentation or confirms that the board is working, you avoid the uncertainty of whether a new part would function as expected. Some used components may have been tested and repaired, reducing the risk of failure.

3. **Rare or Discontinued Part** The Mitsubishi M54929P is an older PLL synthesizer IC, and finding a new one may be difficult due to obsolescence. A used board ensures you can still obtain the necessary component for repairs or projects without waiting for replacements.

4. **Potential for Customization or Modification** If the board is in good condition, you may be able to modify it for specific applications, such as adjusting frequencies or integrating it into a custom circuit design.

5. **Environmental Considerations** Reusing components reduces electronic waste, which can be a positive aspect for environmentally conscious buyers.

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#### **Cons:**

1. **Uncertain Condition** Without thorough testing or inspection, the board may have hidden defects, such as damaged traces, corroded solder joints, or failing capacitors. This could lead to further repair costs or failure in your project.

2. **Lack of Warranty or Guarantee** Used components typically come without warranties, meaning you bear all the risk if the part fails shortly after purchase. This can be problematic if the component is critical to your application.

3. **Compatibility Issues** Even if the board is functional, it may not fit perfectly into your existing setup due to differences in mounting, connectors, or power requirements. Additional modifications may be needed, adding time and cost.

4. **No Support or Documentation** The seller may not provide schematics, datasheets, or troubleshooting guides, making it harder to integrate the component into your project or diagnose issues if they arise.

5. **Risk of Counterfeit or Mismatched Parts** Older components like this are sometimes sold as "new" or "refurbished" when they are actually counterfeit, mismatched, or repurposed from unrelated devices. This can lead to performance issues or complete failure.

6. **Limited Lifespan** Even if the board works now, older electronic components may degrade over time due to aging materials (e.g., electrolytic capacitors drying out, resistors drifting). This could shorten the lifespan of your project.

7. **No Opportunity for Upgrades** If the board uses outdated technology (e.g., older PLL designs), you may miss out on modern improvements in performance, efficiency, or integration with contemporary systems.

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### **Conclusion:**

Buying a used Mitsubishi M54929P PLL synthesizer circuit board (B704B ICs) as-is can be a practical choice if you are working on a budget, need a rare part, or are confident in your ability to test and integrate it. However, the risks of hidden defects, lack of support, and compatibility issues make it a higher-risk purchase compared to sourcing a new or authenticated part.

If possible, prioritize obtaining a **tested, documented, or refurbished** version from a reputable seller. Alternatively, consider alternatives like:

- Sourcing a new or compatible replacement IC (e.g., a modern PLL synthesizer with similar functionality).

- Building a custom PLL circuit using readily available components.

- Contacting Mitsubishi or distributors for obsolete parts, as some may still offer support or alternatives.

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### **Recommendation:**

- **If you are an experienced technician** with access to test equipment (oscilloscope, signal generator, multimeter) and are willing to inspect and verify the board s functionality, purchasing a used unit *may* be acceptable **but only if the seller provides proof of testing or a money-back guarantee**.

- **If you are a hobbyist or beginner**, avoid buying as-is unless you are prepared to invest additional time and effort in troubleshooting. Instead, explore new or refurbished options from trusted suppliers.

- **For critical applications**, weigh the cost of the used part against the potential downtime or failure risks. In many cases, investing in a reliable new component or designing around the obsolete part may be the safer long-term solution.

Ultimately, the decision depends on your technical expertise, budget, and the urgency of your project. Always proceed with caution and conduct thorough testing before integrating the component into your system.

Details:

Please review all high-resolution photos to judge the exact physical condition. This board features two original Mitsubishi M54929P PLL Synthesizer chips 1983 date codes, making it an excellent parts-donor for vintage radio restorations and repairs. Fast Shipping. Ships quickly from Gulf Shores.

No guarantees are made regarding the functionality of individual components. Check my other listings for more vintage commercial two-way radio equipment, logic boards, and industrial electronics. Visible Wear: The board is dirty/dusty. Wiring: A green ribbon connector cable has been cut off on the edge see photos.

Components: The capacitors, transistors, and ICs are untested. There is significant, highly visible surface rust on the metal RF shielding cans both front and back of board. For sale is a vintage radio receiver / PLL synthesizer circuit board Stamped B 704B, likely pulled from 1980commercial, marine, or amateur two-way.

part #: m54929p price

  • $25.00

specifications pcbemdev:

  • brand: Mitsubishi
  • mpn: M54929p
  • part type: Circuit Radio
  • pcb type: Vintage Radio Pll Synthesizer Circuit Board
  • unit type: Unit
  • material: Plastic

payments pcbemdev:

  • wallet: Paypal
  • other
  • credit card: Discover

returns pcbemdev:

  • policy: No Returns

general pcbemdev:

  • condition: For parts or not working
  • Electronic Components Semiconductors > Circuit Boards Prototyping > Printed Circuit Boards PCBs

shipping pcbemdev:

  • type: Calculated
  • transit: 5-11 Days
  • carrier: USPS
  • class: Standard
  • service: USPS Ground Advantage
  • cost: $8.75

seller pcbemdev:

  • city: Gulf Shores, Alabama
  • rating: 99.1%
  • # reviews: 120

offer pcbemdev:

  • best offers: True
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: April 26, 2026
part type: circuit radio, pcb type: vintage radio pll synthesizer circuit board, unit type: unit,
category: business & industrial > electronic components semiconductors > circuit boards prototyping > printed circuit boards pcbs, material: plastic, sku: 17197340174388793,
Mitsubishi M54929P Is Similar To:
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1 offer $25.00 USD
  • For parts or not working. Offer #1 priced at $25.00 + $8.75 shipping estimate = $33.75* total. Components: The capacitors, transistors, and ICs are untested.+$8.75 shipping

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