Fig. 1 - FM Transmitter 70MHz to 150MHz using MAX2606 IC with PCB |
This is a low power micro FM transmitter with a voltage controlled oscillator, VCO, that covers the FM Modulated Frequency bands from 88 to 108Mhz, adjusted by a trimpot.
The MAX2606 Integrated Circuit
Features
- Small Size
- Integrated Varactor for Tuning
- Low Phase Noise
- Wide Application Frequency Range
- Differential or Single-Ended Outputs
- Single +2.7V to +5.5V Supply
- Ultra-Small SOT23-6 Package
- On-Chip Temperature-Stable Bias
- Low-Current Operation
ATTENTION!
You might also be interested in:
Transmitter Operation
The Frequency
Audio Input
Frequency Adjustment
The Power Supply
The Circuit
Fig. 3 - Schematic Circuit FM Transmitter 70MHz to 150MHz using MAX2606 IC |
Components List
- Semiconductors
- U1 .......... MAX2606 Integrated Circuit
- Resistor
- R1, R2 ..... 22KΩ (red, red, orange, gold)
- R3 ............ 4.7KΩ (yellow, violet, red, gold)
- R4 ............ 270Ω (red, violet, brown, gold)
- R5, R6 ..... 1KΩ (brown, black, red, gold)
- RP1 ......... 100KΩ Trimpot
- RP2 ......... 10KΩ Trimpot
- Capacitor
- C1 .......... 10uF / 16V Electrolytic Capacitor
- C2 .......... 0.47uF / 16V Electrolytic Capacitor
- C3 .......... 680pF Ceramic Capacitor
- C4 .......... 1nF Ceramic Capacitor
- C5 .......... 100nF Polyester/Ceramic Capacitor
- C6 .......... 220uF / 16V Electrolytic Capacitor
- Miscellaneous
- P1 .......... 3-pin PCB soldering terminal blocks
- P2 .......... 2-pin PCB soldering terminal blocks
- Others .... Printed Circuit Board, tin, wires, etc.
Printed Circuit Board
In Figure 3, we provide the PCB - Printed Circuit Board, in GERBER, PDF and PNG files. These files are available for free download, on the MEGA server, in a direct link, without any bypass.
All to make it easier for you to do a more optimized assembly, either at home, or with a company that prints the board. You can download the files in the Download option below.
Fig. 3 - PCB - FM Transmitter 70MHz to 150MHz using MAX2606 IC |
Files to Download, Direct Link:
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