MITSUMI PVC-2LXT-L5

MITSUMI
Trackingless Type, For AM/FM 2-Band, AM Narrow-Band
20 mm, PVC-2LXT-L5, -2LXT-LD5
Polyvaricon
FEATURES
These are AM/FM 2-band radio use
POLYVARICONs, which enjoy high reputation as
standard products. Improved electric and
mechanical characteristics and superb quality
control implemented make then highly
satisfactory as high-grade variable capacitors.
SPECIFICATIONS
Shaft
Mounting Dimensions
Dimensions
Form
(mm)
(mm)
Models
Uses
2LXT-L5
AM/FM
(2-band)
Front
21 21 16.5
mounting
AM/FM
(2-band)
Dip
21 21 19.5
soldering
2LXT-LD5
No.of
Stage
max.
Capacitance
Swing
(pF)
min.
Capacitance
(pF)
Variable
Coefficient
Curve
AM-2
(O) 82
(A) 140
C
A
FM-2
20 (40)
AM-2
(O) 82
(A) 140
FM-2
20 (40)
3.8±1
3.4±1
FC1 3.3±1
FC2 3.8±1
3.8±1
3.4±1
FC1 3.3±1
FC2 3.8±1
4-2
(3.5) -3
B
C
A
B
CHARACTERISTICS
Models
PVC-2LXT-L5/2LXT-LD5
Item
Shaft Rotational Direction
Capacitance decreases as shaft turnedclockwise.
97
Full Rotational Angle
Mechanical
Characteristics
( With semi-sphere 180° as 100%. )
70~350g·cm
150g·cm or less
Rotational Torque
Torque Difference
9kg·cm
Stopper Strength
Trimmer Rotational Torque
Tolerance of
Variable Capacitance
Electrical
Characteristics
+2
-1%
Q
Trimmer Capacitance
MW Tuning Frequency Range
AM
FM
AM
FM
(Breakdown strength)
50~400g·cm
± (1pF+1%)
± (0.3pF+2%)
500 or more
200 or more
7pF or more
520~1650kHz
MITSUMI
Trackingless Type, For AM/FM 2-Band, AM Narrow-Band
Nominal Variable Coefficient Capacitance
(3)
Variable
Coefficient Curve
82.0 73.8 66.8 58.9 53.5 42.4 31.8 24.5 14.3 10.9 6.44 2.71
0
C
140.0 118.2 101.3 84.0 73.2 53.2 36.7 26.6 14.3 10.6 6.01 2.44
0
A
FM 20.00 17.24 — 13.46 12.30 10.08 8.02 — 4.30 3.45 — 1.05
0
B
Rotational Index % 100 90 82.8 75
Variable
Capacitance
(pF)
AM
70
60
50 42.6 30
25 17.5 10
DIMENSIONS
PVC-2LXT-L5
Flats of shaft located as shown max. capacitance.
Tolerance of shaft flat angle : Within ±2˚.
Oscillator stage : AM (OSC), FM (FC1).
Unit : mm, Tolerance : ±0.2
PVC-2LXT-LD5
Flats of shaft located as shown max. capacitance.
Tolerance of shaft flat angle : Within ±2˚.
Oscillator stage : AM (OSC), FM (FC1).
Unit : mm, Tolerance : ±0.2