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SAA1057 The SAA1057 is a PLL Synthesized FM Transmitter circuit. It utilizes a PIC16F84 microcontroller for operation, managing buttons and an LCD display.
Mfr Part #:

SAA1057

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The SAA1057 is a PLL Synthesized FM Transmitter circuit. It utilizes a PIC16F84 microcontroller for operation, managing buttons and an LCD display.
✓ Total Stock: 2,000 pcs
$ Price Range: $7.19

SAA1057 Available from 1 distributor

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✓ Non-Authorised
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2,000 pcs
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SAA1057 Specifications Quick View

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SAA1057 Description

Short technical summary and product information.

The SAA1057 is a PLL Synthesized FM Transmitter circuit designed for radio frequency applications. Its operation is managed by a MICROCHIP PIC16F84 microcontroller, which handles inputs from buttons and controls a 2-line, 16-character LCD display.

 

The circuit features a voltage-controlled oscillator (VCO) implemented using transistor Q8, paired with two BB109 varactor diodes. A buffer transistor, Q7, separates the VHF signal, directing one path to transistor Q9. This configuration allows for stable and synthesized FM transmission.

 

This circuit is suitable for projects requiring a dedicated FM transmitter with microcontroller control. The integration of the PLL circuit SAA1057 with the PIC16F84 microcontroller provides a flexible platform for custom radio frequency designs.

SAA1057 Quick Information

Product Type: FM Transmitter Circuit
Canonical Name: SAA1057 PLL Synthesized FM Transmitter
Subcategory: Current Regulation - Diodes, Transistors

SAA1057 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SAA1057 Estimated Pricing

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1+ $7.19 $7.19

Estimated market price range - modelled values for guidance only, not live distributor offers.

SAA1057 Features

  • Microcontroller based on PIC16F84 model.
  • VCO utilizes transistor Q8 with BB109 diodes.
  • Includes buffer transistor Q7 for signal separation.
  • Supports buttons and LCD display interface.
  • Part of current regulation diode and transistor category.

SAA1057 Applications

  • Suitable for FM transmitter circuits.
  • Used in RF signal generation applications.
  • Ideal for microcontroller-based communication systems.
  • Applicable in VCO and oscillator designs.

SAA1057 FAQs

3 frequently asked questions generated from this part’s specifications.
What microcontroller is used in the SAA1057 circuit?

The SAA1057 circuit uses the MICROCHIP PIC16F84 microcontroller.

How is the voltage-controlled oscillator (VCO) implemented in the SAA1057?

The VCO is implemented using transistor Q8, paired with two BB109 varactor diodes.

What is the function of transistor Q7 in the SAA1057 circuit?

Transistor Q7 acts as a buffer, separating the VHF signal obtained in two paths.

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