JP3338519B2 - Electronic component adjusting method and electronic component adjusting apparatus using this method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for manufacturing
The present invention relates to an electronic component adjusting method and an electronic component adjusting device for automatically adjusting electronic components such as a trimmer capacitor and a variable resistor mounted on a circuit board or the like to required electric values.

[0002]

2. Description of the Related Art FIG. 6 is a conceptual diagram for explaining an electronic component adjusting method for adjusting a characteristic value (electrical value) of an electronic component to a target value. In the figure, a bit 32 rotated by the stepping motor 12 is inserted into a groove formed in an adjustment knob (or adjustment screw) 33 of the component to be adjusted 10, which is an electronic component, and the bit 32 is adjusted at each rotation step of the stepping motor 12. The characteristic value of the component 10 is measured.

Conventionally, 360 ° is sequentially measured at a constant rotation angle step, and an adjustment knob is set to an angle at which the measured value becomes a target value, or initially, at a rotation angle step of 180 ° which is の of 360 °. Measurement is performed to determine which rotation angle step includes the target value, and the range of the rotation angle step that includes the target value is set to 180 °
/ 2 90 ° rotation angle step, and again determines which rotation angle step includes the target value, and determines the range of the rotation angle step including the target value as follows. Is measured at a rotation angle step of 45 °, which is 1/2 of 90 °. In this way, the measurement range is gradually narrowed, and the adjustment knob is set to an angle at which the measured value is closest to the target value. Was.

[0004]

However, a method of sequentially measuring 360 ° at a constant rotation angle step is shown in FIG.
(A), (b), and (c) as well as electronic components having absolute value characteristics (only one rotation angle of the adjustment knob corresponding to each characteristic value (electrical value) exists), FIG.
(D), (e) and (f) electronic components having characteristics with peaks and bottoms (there are multiple rotation angles of the adjustment knob corresponding to each characteristic value (electrical value)) can also be adjusted.
The number of measurements was long and it took a long time.

In the method of decreasing the rotation angle step measured from 360 ° by 1/2, the method shown in FIG.
Electronic components having absolute value characteristics (only one rotation angle of the adjustment knob corresponding to each characteristic value) as shown in (a), (b), and (c) can be adjusted. 7
(D), (e), and (f) electronic components that exhibit characteristics with peaks and bottoms (a plurality of rotation angles of the adjustment knob corresponding to each characteristic value) include a target value. Since the rotation angle step cannot be specified, there is a problem that adjustment cannot be performed.

Also, the backlash (play) of the adjusting mechanism (the contact surface between the bit and the bit cut in the gear or the adjusting knob).
The error caused by the reversal of the rotation direction of the adjustment mechanism due to the above-mentioned factors cannot be ignored when the measured rotation angle step (resolution) becomes small. The present invention has been made in view of the above circumstances, and in the first and second inventions, an electronic component that exhibits a characteristic having a peak or a bottom in a resonance circuit or the like can be adjusted quickly with a small number of measurements. According to the third aspect of the present invention, there is provided an electronic component adjusting method according to the fourth, fifth and sixth aspects which can remove an error caused by reversal of the rotation direction of the adjusting mechanism due to backlash or the like of the adjusting mechanism. An object of the present invention is to provide an electronic component adjusting apparatus using the electronic component adjusting method according to the first, second, and third aspects.

[0007]

According to the present invention, there is provided an electronic component adjusting method according to the present invention for achieving the above object, in which an adjusting knob of an electronic component such as a trimmer capacitor capable of rotating 360 degrees is used. At a constant rotation angle step of the adjustment knob, the electric value of the electronic component is measured, and the measurement process for updating the next measurement start angle and the measurement range based on the measurement result is repeated. An electronic component adjustment method for setting an electrical value of a component to a target value, wherein the number of measurements is minimized based on a known rotation angle step at the start of measurement and a rotation angle step at the time of final measurement. The rotation angle step in the measurement process to be executed is calculated in advance, and in each measurement process, the rotation angle step is updated so that the rotation angle step becomes gradually smaller each time the measurement process is completed. While, the next measuring process is initiated from the start angle of the rotation angle step that contains the target value, so as to measure the rotation angular step minute as the measurement range.

According to a second aspect of the present invention, there is provided a method for adjusting an electronic component according to the present invention, wherein the adjustment knob of an electronic component such as a trimmer capacitor is rotatable by 360 degrees at a fixed rotation angle step of the adjustment knob. An electronic component adjustment method for measuring the numerical value, and setting the electrical numerical value of the electronic component to a target value while repeating the measurement process of updating the next measurement start angle and the measurement range based on the measurement result. Based on the known rotation angle step at the start of measurement and the rotation angle step at the final measurement, the rotation angle step in the measurement process to be executed is calculated in advance so that the number of measurements is minimized. In each measurement process, the rotation angle step is updated so as to become gradually smaller each time the measurement process is completed, and the next measurement process is performed with the measurement value closest to the target value. Flip angle 1 is started from the rotational angular step before the angle from the second angle of rotation step
The step is measured as a measurement range.

According to a third aspect of the present invention, there is provided an electronic component adjusting method according to the present invention, wherein in the above-described adjustment, errors caused by reversal of the rotation direction of the adjustment mechanism due to backlash or the like of the adjustment mechanism are eliminated. When the adjustment knob is set to the measurement start angle by inverting the angle, the error is absorbed by an angle that is absorbed once, and then the angle is removed by returning the extra angle.

According to a fourth aspect of the present invention, there is provided an electronic component adjusting apparatus according to the present invention, wherein an electronic component such as a trimmer capacitor whose adjustment knob is rotatable 360 degrees is electrically rotated by a predetermined rotation angle step of the adjustment knob. The electronic component adjusting device sets the electrical value of the electronic component to a target value while repeating a measurement step of updating a next measurement start angle and a measurement range based on the measurement result. And a rotation angle step storage unit for storing a known maximum rotation angle step at the start of measurement, a minimum rotation angle step at the final measurement, and a rotation angle step in a measurement process to be executed calculated from the two rotation angle steps. And a measurement start point storage unit for storing the measurement start angle, a stepping motor for rotating the adjustment knob, and a stepping motor for rotating the adjustment knob. A motor control unit for sequentially rotating the Ta at a constant angle of rotation angle step, a rotation angle storage unit which the motor control unit stores the angle range of rotating an angle obtained by rotating the stepping motor,
A measuring unit for measuring the electrical numerical values of the electronic components, an A / D converter for converting the measured values of the measuring unit into a digital value, a measurement value storage unit for storing the digital value, and a signal processing unit The signal processing unit , based on the rotation angle step at the start of the known measurement , and the rotation angle step at the final measurement, based on the rotation angle step in the measurement process to be executed so that the number of measurements is minimized. It is calculated in advance, and in each measurement process, the rotation angle step is updated so as to become gradually smaller each time the measurement process is completed, and the next measurement process is performed from the start angle of the rotation angle step including the target value. Start, the rotation angle step is measured as the measurement range , the resolution is the rotation angle at the time of the final measurement
One step when the final resolution of the step
The rotation angle step at the time of the final measurement before
Adjust the electrical value of the product to the target value.
It is characterized by having.

According to a fifth aspect of the present invention, there is provided an electronic component adjusting apparatus according to the present invention, wherein an electronic component such as a trimmer capacitor whose adjustment knob is rotatable 360 degrees is electrically rotated by a predetermined rotation angle step of the adjustment knob. The electronic component adjusting device sets the electrical value of the electronic component to a target value while repeating a measurement step of updating a next measurement start angle and a measurement range based on the measurement result. And a rotation angle step storage unit for storing a known maximum rotation angle step at the start of measurement, a minimum rotation angle step at the final measurement, and a rotation angle step in a measurement process to be executed calculated from the two rotation angle steps. And a measurement start point storage unit for storing the measurement start angle, a stepping motor for rotating the adjustment knob, and a stepping motor for rotating the adjustment knob. A motor control unit for sequentially rotating the Ta at a constant angle of rotation angle step, a rotation angle storage unit which the motor control unit stores the angle range of rotating an angle obtained by rotating the stepping motor,
A measuring unit for measuring an electrical value of the electronic component; an A / D converter for converting a measured value of the measuring unit into a digital value; a measured value storing unit for storing the digital value; In addition to calculating the rotation angle step in the measurement process to be executed from the minimum rotation angle step, and including a signal processing unit that compares and determines an angle close to the target value, a known rotation angle step at the start of measurement, Based on the rotation angle step at the time of the final measurement, the rotation angle step in the measurement process to be executed is calculated in advance so that the number of measurements is minimized, and in each measurement process, the rotation angle is calculated each time the measurement process is completed. While the angle step is updated so as to become gradually smaller, the next measurement process is started from the angle corresponding to the measurement value closest to the target value one angle before the rotation angle step, and Rolling the two steps of angular steps have been configured to measure as the measurement range.

According to a sixth aspect of the present invention, there is provided the electronic component adjusting apparatus according to the first aspect of the present invention, wherein the error caused by the reversal of the rotating direction of the adjusting mechanism due to the backlash of the adjusting mechanism is eliminated. When the adjustment knob is set to be inverted for each measurement start angle, there is provided a means for removing the above error by temporarily reversing the angle for absorbing the error and then returning the angle by the extra angle. ing.

[0013]

According to the electronic component adjusting method of the present invention, the number of times of measurement is minimized based on the known rotation angle step at the start of measurement and the rotation angle step at the time of final measurement. The rotation angle step in the measurement process to be performed is calculated in advance, and in each measurement process, the rotation angle step is updated so as to become gradually smaller each time the measurement process is completed. The measurement is started from the start angle of the rotation angle step including the value, and the rotation angle step is measured as the measurement range. Therefore, the characteristic of the absolute value (there is only one rotation angle of the adjustment knob corresponding to each characteristic value) Electronic components can be adjusted quickly with a small number of measurements.

In the electronic component adjusting method according to the present invention, the number of times of measurement is minimized based on the known rotation angle step at the start of measurement and the rotation angle step at the time of final measurement. The rotation angle step in the measurement process to be performed is calculated in advance, and in each measurement process, the rotation angle step is updated so as to become gradually smaller each time the measurement process is completed. Starting from the angle corresponding to the measured value closest to the value, one rotation angle step before, and measuring the two rotation angle steps as a measurement range, it shows a characteristic with a peak or bottom in a resonance circuit or the like. Electronic components can be quickly adjusted with a small number of measurements.

In the electronic component adjusting method according to the third aspect of the present invention, the error caused by the reversal of the rotation direction of the adjusting mechanism due to the backlash or the like of the adjusting mechanism is eliminated.
When setting the measurement knobs by inverting the adjustment knobs, the angle that absorbs the above error is temporarily reversed, and then removed by returning the extra angle. The resulting error can be reduced.

In the electronic component adjusting apparatus according to the present invention, the maximum rotation angle step at the start of the measurement, the minimum rotation angle step at the final measurement, and the execution calculated from the two rotation angle steps are known. A rotation angle step storage unit for storing a rotation angle step in a measurement process to be performed, a measurement start point storage unit for storing a measurement start angle, a stepping motor for rotating an adjustment knob, and a rotation angle of a fixed angle for the stepping motor. A motor control unit that sequentially rotates in steps, a rotation angle storage unit that stores an angle at which the motor control unit rotates the rotation of the stepping motor and an angle range in which the stepping motor is rotated, and a measurement unit that measures electrical values of electronic components. An A / D conversion unit that converts a measurement value of the measurement unit into a digital value,
Comprising a measurement value storage unit for storing the digital value, and a signal processing unit, the signal processing unit, and the rotation angle step of measuring, at the beginning is known, on the basis of the rotation angle step at the final measurement, the measurement In order to minimize the number of times, the rotation angle step in the measurement process to be executed is calculated in advance, and in each measurement process, the rotation angle step is updated so as to gradually decrease each time the measurement process ends, The next measurement step is started from the start angle of the rotation angle step including the target value, and the rotation angle step is measured as a measurement range, and the resolution is the rotation at the final measurement.
1 step at the time when the final resolution of the angle step is reached
The rotation angle step at the time of the final measurement before step
In order to adjust the electrical value of the slave part to the target value, the electronic part having the characteristic of the absolute value (there is only one rotation angle of the adjustment knob corresponding to each characteristic value) is measured. Can be quickly adjusted.

In the electronic component adjusting apparatus according to the present invention, the known maximum rotation angle step at the start of measurement, the minimum rotation angle step at the final measurement, and the execution calculated from the two rotation angle steps are known. A rotation angle step storage unit for storing a rotation angle step in a measurement process to be performed, a measurement start point storage unit for storing a measurement start angle, a stepping motor for rotating an adjustment knob, and a rotation angle of a fixed angle for the stepping motor. A motor control unit that sequentially rotates in steps, a rotation angle storage unit that stores an angle at which the motor control unit rotates the rotation of the stepping motor and an angle range in which the stepping motor is rotated, and a measurement unit that measures electrical values of the electronic components. An A / D conversion unit that converts a measurement value of the measurement unit into a digital value,
A measurement value storage unit that stores the digital value; a signal processing unit that calculates a rotation angle step in a measurement process to be executed from the above-described maximum rotation angle step and minimum rotation angle step and that compares and determines an angle close to a target value With
Based on the known rotation angle step at the start of measurement and the rotation angle step at the final measurement, the rotation angle step in the measurement process to be executed is calculated in advance so that the number of measurements is minimized, and In the measurement step, while the rotation angle step is updated so as to be gradually reduced each time the measurement step is completed, the next measurement step is performed by one rotation angle step before the angle corresponding to the measurement value closest to the target value. , And the measurement is performed for two rotation angle steps as a measurement range. Therefore, even for an electronic component exhibiting a characteristic having a peak or a bottom in a resonance circuit or the like, the number of times of measurement can be reduced and quick adjustment can be performed.

In the electronic component adjusting apparatus according to the present invention, the error caused by the reversal of the rotating direction of the adjusting mechanism due to the backlash or the like of the adjusting mechanism is eliminated.
When the adjustment knobs are inverted and set to the respective measurement start angles, the angle that absorbs the error is temporarily inverted, and then removed by returning the extra angle. An error generated at the time of adjustment can be reduced.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a block diagram showing a configuration example of a main part of an embodiment of an electronic component adjusting apparatus using the electronic component adjusting method according to the present invention.
In the figure, reference numeral 10 denotes a component to be adjusted which is an electronic component such as a trimmer capacitor to which an adjustment knob or an adjustment screw for adjusting characteristics is added, and 11 denotes a stepping motor 1.
A motor control unit for sequentially rotating 2 at a fixed angle resolution (hereinafter, a rotation angle step is referred to as a resolution);
Reference numeral 3 denotes a measuring unit for measuring a characteristic value (electrical numerical value) of the component to be adjusted 10, reference numeral 14 denotes an A / D converter for converting a measured value of the measuring unit 13 into a digital value, and reference numeral 15 denotes a measured value converted into a digital value. A measurement value storage unit 16 stores the known maximum resolution at the start of measurement, the minimum resolution at the final measurement, and the intermediate resolution other than the measurement start and the final measurement calculated from these two resolutions. A storage unit, 17 is a measurement start point storage unit that stores a measurement start angle, 18 is a rotation angle storage unit that stores an angle at which the motor control unit 11 rotates the stepping motor 12 and an angle range over which the stepping motor 12 is rotated,
Reference numeral 19 denotes a signal processing unit of a computer 20, such as a microcomputer, which calculates an intermediate resolution from the maximum resolution and the minimum resolution, and compares and determines an angle close to a target value. Reference numeral 21 denotes a ROM;

An electronic component adjusting method using an electronic component adjusting apparatus using the electronic component adjusting method according to the first aspect of the present invention will be described. First, when the characteristics and the target value of the adjusted component 10 are input,
2 is stored. Next, when a known maximum resolution at the start of measurement (start resolution; for example, 72 °) and a minimum resolution at the final measurement (final resolution; for example, 3.6 °) are input, the signal processing unit 19 outputs the maximum resolution. Intermediate resolution (one or more types) that minimizes the number of measurements from the resolution and minimum resolution
Is calculated, and the maximum resolution, the minimum resolution, and the intermediate resolution are stored in the resolution storage unit 16.

Next, as shown in FIG. 6, a bit 32 is inserted into an adjustment knob (adjustment screw) 33, and the angle of the stepping motor 12 at this time is stored in the measurement start point storage unit 17 as a measurement start angle. You. Starting from the start angle, the motor control unit 11 sequentially rotates the stepping motor 12 by a constant rotation angle of the start resolution stored in the resolution storage unit 16. This rotation is transmitted to the adjustment knob 33 by the bit 32 as shown in FIG.
The characteristic value for each constant rotation angle (resolution) of the adjustment knob 33 is measured by the measuring unit 13.

The measured characteristic value is stored in the A / D converter 1
The data is converted into a digital value by 4 and stored in the measured value storage unit 15 together with the corresponding angle. When the measurement of 360 ° is completed, the characteristics of the input component to be adjusted (or the circuit using the same) become an absolute value (the rotation angle of the adjustment knob corresponding to each characteristic value becomes 1). 7 (a), (b) and (c)), the signal processing unit 19 determines the characteristics and target values stored in the RAM 22 and the resolutions stored in the measured value storage unit 15. From the measured values, the next measurement start angle is set to the start angle of the resolution including the target value, and the next measurement range is set to one resolution, and stored in the rotation angle storage unit 18. (Claim 1) On the other hand, the characteristic of the input component to be adjusted has a peak or bottom in a resonance circuit or the like (a plurality of rotation angles of the adjustment knob corresponding to each characteristic value. In the case of (e), (f)), the signal processing unit 19 determines the next measurement start angle from the characteristic and target value stored in the RAM 22 and the measurement value for each resolution stored in the measurement value storage unit 15. Is set to an angle one resolution before the angle of the measurement value closest to the target value, the next measurement range is set to the two resolutions, and stored in the rotation angle storage unit 18. (Claim 2) Next, the signal processing unit 19 rotates and sets the bit 32 (the adjustment knob is also interlocked) to the next measurement start angle set above via the motor control unit 11 and the stepping motor 12. At the same time, the next resolution (intermediate resolution or final resolution) calculated in advance is read from the resolution storage unit 16. Then, starting from the next measurement start angle, the motor control unit 11 sequentially rotates the stepping motor 12 by a constant rotation angle (resolution) of the next resolution (intermediate resolution or final resolution). This rotation is transmitted to the adjustment knob 33 by the bit 32 as shown in FIG. 6, and the characteristic value of the adjustment knob 33 for each fixed rotation angle (resolution) is measured by the measuring unit 13.

Thereafter, the measurement adjustment is continued in the same manner as described above, and when the measurement at the final resolution is completed, the signal processing unit 19
From the characteristics and the target value stored in the RAM 22 and the measurement value for each resolution stored in the measurement value storage unit 15, the angle of the measurement value closest to the target value is determined, and the angle is determined via the motor control unit 11 and the stepping motor 12. Then, the bit 32 (the adjustment knob is also linked) is rotated (according to the final resolution) to set the adjustment knob 33 to the angle of the measured value closest to the target value.
Steps 50 to 91 in FIGS. 2, 3 and 4 are flowcharts showing such an operation. (Claims 1 and 2) A configuration example of a main part of an embodiment of an electronic component adjusting apparatus using the electronic component adjusting method according to the present invention described in claim 3 is the same as that of FIG.

An electronic component adjusting method using an electronic component adjusting apparatus using the electronic component adjusting method according to the present invention having such a configuration will be described. Claim 1 above
In the electronic component adjusting method using the electronic component adjusting apparatus using the electronic component adjusting method described in the above section, the signal processing unit 1
9 is a motor control unit 11 and a stepping motor 12
To the next measurement start angle set above via bit 3
When rotating and setting 2 (the adjustment knob is also linked), the signal processing unit 19 determines which of the next measurement start angle (the angle one resolution before the target value) is closer to rotate. Then, when the rotation direction is the reverse direction, the signal processing unit 19 sends the bit 32 (the adjustment knob is also linked) via the motor control unit 11 and the stepping motor 12.
Due to the backlash (play) of the adjusting mechanism (the contact surface between the bit and the bit engraved on the adjusting knob, etc.)
After an extra amount of angle (for example, one resolution) to absorb the error caused by the reversal of the rotation direction of the adjustment mechanism, the extra angle is returned, and the extra angle is returned to set the target value. Steps 93 to 96 in FIG. 5 are flowcharts showing such an operation. The other operations are the same as those of the electronic component adjusting method using the electronic component adjusting device using the electronic component adjusting method according to claim 1. Steps 62, 71, 8
1, 90 are the same as steps 93 to 96 in FIG.

An example of the configuration and operation of a main part of an embodiment of an electronic component adjusting apparatus according to the present invention according to claims 4 to 6 has been described in the electronic component adjusting method according to claims 1 to 3, respectively. The description is omitted because it is the same as that of FIG.

[0026]

According to the electronic component adjusting method of the present invention, the electronic component having the characteristic of the absolute value (there is only one rotation angle of the adjusting knob corresponding to each characteristic value) is measured. Can be quickly adjusted. According to the electronic component adjusting method according to the second aspect of the present invention, an electronic component that exhibits a characteristic having a peak or a bottom in a resonance circuit or the like can be quickly adjusted with a small number of measurements.

According to the electronic component adjusting method according to the third aspect of the present invention, it is possible to reduce an error generated when adjusting the electronic component. According to the electronic component adjusting apparatus of the present invention, the electronic component having the characteristic of the absolute value (there is only one rotation angle of the adjustment knob corresponding to each characteristic value) is quickly adjusted with a small number of measurement times. I can do it.

According to the electronic component adjusting apparatus of the present invention, an electronic component having a characteristic having a peak or a bottom in a resonance circuit or the like can be quickly adjusted with a small number of measurements. According to the electronic component adjusting apparatus of the present invention, it is possible to reduce an error generated when adjusting the electronic component.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration example of a main part of an electronic component adjusting apparatus using an electronic component adjusting method according to the first and second embodiments of the present invention.

FIG. 2 is a flowchart showing the operation of an electronic component adjusting apparatus using the electronic component adjusting method according to the first and second embodiments of the present invention.

FIG. 3 is a flowchart showing the operation of an electronic component adjusting apparatus using the electronic component adjusting method according to the first and second embodiments of the present invention.

FIG. 4 is a flowchart showing an operation of an electronic component adjusting apparatus using the electronic component adjusting method according to the first and second embodiments of the present invention.

FIG. 5 is a flowchart showing the operation of an electronic component adjusting apparatus using the electronic component adjusting method according to the third embodiment of the present invention.

FIG. 6 is a diagram for explaining adjustment of an electronic component.

FIGS. 7 (a), (b), (c), (d), (e),
(F) is a diagram showing an example of characteristics of an electronic component or a circuit using the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Adjusted parts (electronic parts) 11 ... Motor control part 12 ... Stepping motor 13 ... Measurement part 14 ... A / D conversion conversion part 15 ... Measurement value storage part 16. ..Resolution (rotation angle step) storage unit 17 ... measurement start point storage unit 18 ... rotation angle storage unit 19 ... signal processing unit 20 ... computer 22 ... RAM 33 ... adjustment knob (Adjustment screw)

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B23P 19/06 H03J 1/00 H05K 13/00

Claims (6)

(57) [Claims] An electronic value of an electronic component such as a trimmer capacitor whose adjustment knob can be rotated by 360 degrees is measured at a fixed rotation angle step of the adjustment knob, and an electric value of the electronic component is measured based on the measurement result. An electronic component adjusting method for setting an electrical value of the electronic component to a target value while repeating a measurement step of updating a next measurement start angle and a measurement range, the method comprising: And, based on the rotation angle step at the time of the final measurement, the rotation angle step in the measurement step to be executed is calculated in advance so that the number of measurements is minimized, and in each measurement step, every time the measurement step is completed. The next measurement process is started from the start angle of the rotation angle step including the target value while being updated so that the rotation angle step becomes gradually smaller. Electronic component adjustment method is characterized in that so as to measure the flop component as the measurement range. 2. An electronic component such as a trimmer capacitor whose adjustment knob is rotatable by 360 degrees. The electronic value of the electronic component is measured at a fixed rotation angle step of the adjustment knob, and based on the measurement result. An electronic component adjusting method for setting an electrical value of the electronic component to a target value while repeating a measurement step of updating a next measurement start angle and a measurement range, the method comprising: And, based on the rotation angle step at the time of the final measurement, the rotation angle step in the measurement step to be executed is calculated in advance so that the number of measurements is minimized, and in each measurement step, every time the measurement step is completed. While the rotation angle step is updated so as to become gradually smaller, the next measurement process starts from the angle one rotation angle step before the angle corresponding to the measurement value closest to the target value. It is, 2 of the rotation angle step
An electronic component adjustment method, wherein a step is measured as a measurement range. 3. An adjusting method according to claim 1, wherein an error caused by reversing the rotation direction of the adjusting mechanism due to backlash or the like of the adjusting mechanism is set by inverting the adjusting knob to each of the measurement start angles. 2. The method according to claim 1, wherein the error is temporarily inverted by an angle for absorbing the error, and then removed by returning the angle by the extra angle.
Or the electronic component adjustment method according to 2. 4. An electronic component such as a trimmer capacitor whose adjustment knob is rotatable by 360 degrees is measured at a predetermined rotation angle step of the adjustment knob, and an electric value of the electronic component is measured based on the measurement result. An electronic component adjustment device that sets the electrical value of the electronic component to a target value while repeating a measurement process of updating a next measurement start angle and a measurement range, wherein a known maximum rotation angle step at the start of measurement is provided. A rotation angle step storage unit for storing a minimum rotation angle step at the time of final measurement and a rotation angle step in a measurement process to be executed calculated from the two rotation angle steps, and a measurement start point storage for storing a measurement start angle. Section, a stepping motor that rotates the adjustment knob, and this stepping motor is rotated sequentially at a fixed angle rotation angle step A motor control unit that causes the motor control unit to rotate the stepping motor and a rotation angle storage unit that stores an angle range in which the stepping motor is rotated; a measurement unit that measures electrical values of electronic components; an a / D converter for converting the measured value into a digital value, a measurement value storage unit for storing the digital values, e Bei a signal processing unit, the signal processing unit, known as metrology starting Based on the rotation angle step and the rotation angle step at the time of the final measurement, the rotation angle step in the measurement step to be executed is calculated in advance so that the number of measurements is minimized, and in each measurement step, the measurement step is performed. The next measurement step is started from the start angle of the rotation angle step including the target value while being updated so that the rotation angle step is gradually reduced each time the rotation angle step is completed. Minute so as to measure as the measurement range, the rotation angle at the time resolution is the final measurement
One step when the final resolution of the step
The rotation angle step at the time of the final measurement before
An electronic component adjusting apparatus, wherein an electronic value of a product is adjusted to a target value . 5. An electronic component such as a trimmer capacitor whose adjustment knob is rotatable by 360 degrees. The electronic value of the electronic component is measured at a constant rotation angle step of the adjustment knob, and based on the measurement result. An electronic component adjusting device that sets an electrical value of the electronic component to a target value while repeating a measurement process of updating a next measurement start angle and a measurement range, and a known maximum rotation angle step at the start of measurement. A rotation angle step storage unit for storing a minimum rotation angle step at the time of final measurement and a rotation angle step in a measurement process to be executed calculated from the two rotation angle steps, and a measurement start point storage for storing a measurement start angle. Section, a stepping motor that rotates the adjustment knob, and this stepping motor is rotated sequentially at a fixed angle rotation angle step A motor control unit for a rotation angle storage unit which the motor control unit stores the angle range of rotating an angle obtained by rotating the stepping motor,
A measuring unit for measuring an electrical value of the electronic component; an A / D converter for converting a measured value of the measuring unit into a digital value; a measured value storing unit for storing the digital value; In addition to calculating the rotation angle step in the measurement process to be executed from the minimum rotation angle step, and including a signal processing unit that compares and determines an angle close to the target value, a known rotation angle step at the start of measurement, Based on the rotation angle step at the time of the final measurement, the rotation angle step in the measurement process to be executed is calculated in advance so that the number of measurements is minimized, and in each measurement process, the rotation angle is calculated each time the measurement process is completed. While the angle step is updated so as to become gradually smaller, the next measurement step is started from an angle corresponding to the measurement value closest to the target value one angle before the rotation angle step, and Electronic component adjusting device, characterized in that the two steps of rolling angular step was to measure as the measurement range. 6. In the adjusting device, an error caused by reversing the rotation direction of the adjusting mechanism due to backlash or the like of the adjusting mechanism is set by inverting the adjusting knob to each of the measurement start angles. 6. An electronic component according to claim 4, further comprising means for temporarily reversing the angle by an amount that absorbs the error and then removing the extra angle by returning the extra angle. Adjustment device.