Bringup
Open the editor
Built-in circuit elementvarcap

Variable capacitor

Tuning capacitor, capacitance linear between Cmin and Cmax. The position can be changed during simulation (inspector). Medium wave with 250 µH: 10–365 pF ≈ 530 kHz to 1.6 MHz.

Schematic symbol

Key data

Category
Radio
Simulation model
Built-in circuit element
Reference prefix
C
Pins
2
Land pattern
C_Variable_Polyvaricon_20x20mm
Interactive
Click it while the simulation runs

Simulation model

Capacitance between the minimum and maximum value, set by the knob position.

Primitive
VARCAP

Pins 2

PinNameUse
11Passive pinTerminal (no polarity): connect either way
22Passive pinTerminal (no polarity): connect either way

Parameters 3

Capacitance min.CMIN
Default10p F
Capacitance max.CMAX
Default365p F
Positionposlive
Default25 %

PCB

Verified land patternC_Variable_Polyvaricon_20x20mm