The XR-2206 is a monolithic voltage-controlled oscillator (VCO) integrated circuit featuring excellent frequency stability and a wide tuning range. The circuit provides simultaneous triangle and square wave outputs over a frequency range of 0.01Hz to 1MHz.
It is ideally suited for FM, FSK, and sweep or tone generation, as well as for phase-locked loop applications. The oscillator of the XR-2206 has a typical drift specification of 20ppm/°C. The oscillator frequency can be linearly swept over a 1000:1 range with an external control voltage.

XR2206 Pinout

XR2206 Pin Configuration
| Pin No | Pin Name | Description |
|---|---|---|
| 1 | AMSI | Amplitude Modulating Signal Input. |
| 2 | STO | Sine or Triangle Wave Output |
| 3 | MO | Multiplier Output |
| 4 | VCC | Positive Power Supply |
| 5 | TC1 | Timing Capacitor Input 1 |
| 6 | TC2 | Timing Capacitor Input 2 |
| 7 | TR1 | Timing Resistor 1 Output. |
| 8 | TR2 | Timing Resistor 2 Output. |
| 9 | FSKI | Frequency Shift Keying Input. |
| 10 | BIAS | Internal Voltage Reference. |
| 11 | SYNCO | Sync Output |
| 12 | GND | Ground pin |
| 13 | WAVEA1 | Wave Form Adjust Input 1 |
| 14 | WAVEA2 | Wave Form Adjust Input 2 |
| 15 | SYMA1 | Wave Symmetry Adjust 1 |
| 16 | SYMA2 | Wave Symmetry Adjust 2 |
XR2206 Features
- Excellent Temperature Stability (20ppm/°C)
- Linear Frequency Sweep
- Wide Sweep Range (1000:1 Minimum)
- Wide Supply Voltage Range (+4V to +13V)
- Low Supply Sensitivity (0.1% /V)
- Wide Frequency Range (0.01Hz to 1MHz)
- Simultaneous Triangle and Square wave Outputs
Application
- Voltage and Current-to-Frequency Conversion
- Stable Phase-Locked Loop
- Waveform Generation
- Triangle, Sawtooth, Pulse, Square wave
- FM and Sweep Generation
You can download this datasheet for XR2206 Monolithic Function Generator – Datasheet from the link given below: