FIELD: electronic devices.
SUBSTANCE: adjustment unit joined with pusher is made in the form of set of at least two inserts, each having annular-sector shaped cross-sectional area and outer side surface in the form of truncated cone, mounted for separate axial displacement; inserts have different wall thickness in same sectional area and locking unit is installed on one of shaft extensions. In addition, used as locking unit is flexible rod disposed perpendicular to shaft axis for engaging locking depression of annular projection on case coaxial with shaft.
EFFECT: simplified design, reduced mass and size, enhanced reliability of frequency tuning.
2 cl, 4 dwg
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