32.768KHz 3T bipolar oscillator, designed to drive a 74LS14.
author: khoujustin
2 layer board of 1.00 x 1.00 inches (25.5 x 25.4 mm)
Uploaded:
February 23, 2021
Shared:
February 23, 2021
Total Price:
$5.00
C1: 22pF trimmer
C2: 22pF
C3: 0.1µF
C4: 1µF
C5: 10µF
C6: 100µF
J1: 3 pin header (square pin GND, pin 2 output, pin 3 +5V)
Q1: 2N5769
Q2: 2N5771
Q3: MPS6560
R1: 10M
R2: 1M
R3: 22K
R4: 62K
R5: 16K
R6: 22K
R7: 1K
Y1: 32.768KHz crystal
(adjust R5/R6 to get suitable output, or install a potentiometer instead
C1: 22pF trimmer
C2: 22pF
C3: 0.1µF
C4: 1µF
C5: 10µF
C6: 100µF
J1: 3 pin header (square pin GND, pin 2 output, pin 3 +5V)
Q1: 2N5769
Q2: 2N5771
Q3: MPS6560
R1: 10M
R2: 1M
R3: 22K
R4: 62K
R5: 16K
R6: 22K
R7: 1K
Y1: 32.768KHz crystal
(adjust R5/R6 to get suitable output, or install a potentiometer instead
