06A-20 – Colpitts Oscillator

A classic oscillator design using a Colpitts configuration.

Details

Part No: 06A-20

Title: Colpitts Oscillator

Board Size: Approx. 50 x 50 mm

Pieces per Panel: 4

Panel Size: 100 x 100 mm (V-scored)

Videos

Schematic

Layout

Additional Resources

Partlist

REF DES PART TYPE VALUE / DESCRIPTION
C1Capacitor47u
C2Capacitor47u
C3Capacitor100n
C4Capacitor100n
C5Capacitor10n
C6Capacitor10n
C7Capacitor100n
C8Capacitor100n
L1Inductor10m
P1Connector (plug)5 pin, 0.1" pitch, right-angle
Q1TransistorNPN, General purpose
Q2TransistorNPN, General purpose
Q3TransistorNPN, General purpose
Q4TransistorNPN, General purpose
Q5TransistorNPN, General purpose
R1Resistor100
R2Resistor20k
R3Resistor15k
R4Resistor15k
TP1Test pointKE-5000
TP2Test pointKE-5000
TP3Test pointKE-5000
TP4Test pointKE-5000
TP5Test pointKE-5000
TP6Test pointKE-5000
TP7Test pointKE-5000
TP8Test pointKE-5000
TP9Test pointKE-5000

Pinout Description — P1

Pin Label Notes
1GNDPower Return, 0V
2V+Positive Power Source, 3.3 VDC to 15 VDC
3V-Negative Power Source, -3.3 VDC to -15 VDC
4OUT+Non-inverted output, ~39 kHz
5OUT-Inverted output, ~39 kHz

Revision History

DateRevisionDescriptionBy
2025-10-11 A1-01 Initial Release N. Manteufel

Build and Testing