JPH0264224U

JPH0264224U -

Info

Publication number: JPH0264224U
Application number: JP12256189U
Authority: JP
Priority date: 1989-10-19
Filing date: 1989-10-19
Publication date: 1990-05-15

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示すものであつて、
第１図は断面図、第２図は底面図、第３図は回路
図、第４図は配線基板の拡大正面図、第５，７，
９，１１図はそれぞれ電極の拡大正面図、第６，
８，１０，１２図はそれぞれ誘電体層の拡大正面
図、第１３図は第４図−線拡大断面図で
ある。１……封止容器、５……端子ピン、６……端子
ピン、９……水晶振動子、１０……集積回路素子
、１１……基板、１２……入力側固定コンデンサ
、１３……出力側固定コンデンサ、１４……力側
可変コンデンサ、１５……出力側可変コンデンサ
、２０，２２，２４，２６……電極、２１，２３
，２５，２７……誘電体層。 The drawings show one embodiment of the present invention,
Figure 1 is a sectional view, Figure 2 is a bottom view, Figure 3 is a circuit diagram, Figure 4 is an enlarged front view of the wiring board, Figures 5, 7,
Figures 9 and 11 are enlarged front views of the electrodes;
8, 10, and 12 are enlarged front views of the dielectric layer, respectively, and FIG. 13 is an enlarged sectional view taken along the line of FIG. 4. DESCRIPTION OF SYMBOLS 1...Sealing container, 5...Terminal pin, 6...Terminal pin, 9...Crystal resonator, 10...Integrated circuit element, 11...Substrate, 12...Input side fixed capacitor, 13...Output Side fixed capacitor, 14... Force side variable capacitor, 15... Output side variable capacitor, 20, 22, 24, 26... Electrode, 21, 23
, 25, 27...dielectric layer.

Claims

[Claims for Utility Model Registration] A crystal resonator and an oscillation circuit for oscillating the crystal resonator are sealed in a sealed container, and the sealed container has an input side and an input side to the oscillation circuit. A terminal pin for the output side and a terminal pin for the output side are respectively formed to protrude to the outside, and a board is fixed to both the terminal pins outside the sealed container, and the outer surface of the board has the terminal pin for the input terminal The input side capacitor and the output side capacitor connected to the side terminal pin and the output side terminal pin, respectively, are formed in a film type structure, and each of the input and output side capacitors is connected to a fixed capacitor connected in parallel. A crystal oscillation unit characterized by consisting of a variable capacitor.