JPS647320U - - Google Patents

Info

Publication number
JPS647320U
JPS647320U JP10250387U JP10250387U JPS647320U JP S647320 U JPS647320 U JP S647320U JP 10250387 U JP10250387 U JP 10250387U JP 10250387 U JP10250387 U JP 10250387U JP S647320 U JPS647320 U JP S647320U
Authority
JP
Japan
Prior art keywords
circuit
operational amplifier
bridge circuit
resistor
amplifies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10250387U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10250387U priority Critical patent/JPS647320U/ja
Publication of JPS647320U publication Critical patent/JPS647320U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Temperature (AREA)

Description

【図面の簡単な説明】
第1図は、この考案の一実施例を示す構成図、
第2図は従来の温度制御回路の構成図である。図
中、1はサーミスタ、2は抵抗、3はブリツジ電
圧出力端子、4はブリツジ基準電圧出力端子、5
はオペアンプ、6は抵抗、7はトランジスタ、8
はヒータ、9は直流電源回路である。なお、図中
同一あるいは相当部分には同一符号を付して示し
てある。

Claims (1)

    【実用新案登録請求の範囲】
  1. ブリツジ回路を構成する抵抗と、ブリツジ回路
    を構成するニクロム線ヒータと、ブリツジ回路の
    出力を反転増幅するオペアンプと、上記オペアン
    プの増幅度を設定する抵抗と、上記オペアンプの
    出力電流を増幅するトランジスタと、回路にバイ
    アス電圧を供給する直流電源回路を備えたことを
    特徴とする恒温槽温度制御回路。
JP10250387U 1987-07-03 1987-07-03 Pending JPS647320U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10250387U JPS647320U (ja) 1987-07-03 1987-07-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10250387U JPS647320U (ja) 1987-07-03 1987-07-03

Publications (1)

Publication Number Publication Date
JPS647320U true JPS647320U (ja) 1989-01-17

Family

ID=31332470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10250387U Pending JPS647320U (ja) 1987-07-03 1987-07-03

Country Status (1)

Country Link
JP (1) JPS647320U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2017963A1 (en) 2007-07-20 2009-01-21 Nihon Dempa Kogyo Co., Ltd. Control circuit for thermostatic oven in oven controlled crystal oscillator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2017963A1 (en) 2007-07-20 2009-01-21 Nihon Dempa Kogyo Co., Ltd. Control circuit for thermostatic oven in oven controlled crystal oscillator

Similar Documents

Publication Publication Date Title
JPS647320U (ja)
JPS62134115U (ja)
JPS62132451U (ja)
JPH0255718U (ja)
JPS62146216U (ja)
JPS645159U (ja)
JPS60177494U (ja) けい光ランプの加熱装置
JPS62151221U (ja)
JPS6190309U (ja)
JPS6246915U (ja)
JPS6370231U (ja)
JPS63135407U (ja)
JPS6454413U (ja)
JPS6242323U (ja)
JPH0312144U (ja)
JPH0365314U (ja)
JPS6438815U (ja)
JPH0377465U (ja)
JPS6353113U (ja)
JPH039522U (ja)
JPS62135951U (ja)
JPH01100213U (ja)
JPS6249317U (ja)
JPH0277919U (ja)
JPH0213316U (ja)