[
After
]
Update record (3)
Updated on
Updated pages
27 September 1998
*New [
Circuit explanation of the frequency induction switch
]
*New [
Adjustment of the frequency induction switch
]
*New [
Pattern drawing of the frequency induction switch
]
*New [
Circuit drawing of the frequency induction switch
]
*New [
The frequency induction switch
] (Under construction)
*Update [
DC/AC inverter (1)
] (Add output wave form photograph)
20 September 1998
*New [
DC/AC inverter (1)
]
*New [
A-stable multivibrator(TR type)
]
*New [
A-stable multivibrator(IC type)
]
*New [
555 oscillator
]
*Update [
Integration circuit
] (Add photograph)
*Update [
Differentiation circuit
] (Add photograph)
13 September 1998
*New [
555 timer
]
*New [
Simple amplifier
]
*New [
Integration circuit
]
*New [
Differentiation circuit
]
*New [
Electronic Circuit "Beans" Collection
] (Under construction)
*Update [
Menu
] (Add item of Electronic circuit beans collection)
6 September 1998
*New [
The material to prepare
]
*Update [
The process of the PCB making
] (Separate the material to prepare)
*New [
Wiring face photograph of Thief warning device
]
*New [
Part face photograph of Thief warning device
]
*New [
Adjustment of Thief warning device
]
*New [
Parts list of Thief warning device
]
*New [
Production of Thief warning device
]
*Update [
Thief warning device
] (Link to Production of Thief warning device)
*Update [
Soldering
] (Add photograph)
*Update [
Apply the solder-resist (option)
] (Add photograph)
30 August 1998
*Update [Quick Index] (Add 'Manufacturing of Original PCB')
*New [
Soldering
] (Under construction)
*New [
Apply the solder-resist (option)
] (Under construction)
*New [
Make the hole
]
*New [
Apply the flux
]
*New [
Etching
]
*New [
Printing the mask pattern
]
*New [
Cut the board
]
*New [
The parts mounting drawing
]
*New [
The process of the PCB making
]
*Update [
The implement of the PCB making
] (Add Resist pen, Resist solvent)
*Update [
Making PWB
] (Add Resist pen, Resist solvent)
*Update [
About the Printed Circuit Board
] (Add photograph)
23 August 1998
*Update [
The implement of the PCB making
] (Add Oily black ink)
*Update [
Mask pattern
] (Change mask pattern)
*Update [
Warning radio wave transmitter Circuit drawing
] (Add bypass capacitor)
*New [
About the Printed Circuit Board
] (Under construction)
*New [
The parts explanation of the ultraviolet ray exposure equipment(3)
]
*New [
The parts explanation of the ultraviolet ray exposure equipment(2)
]
*Update [
The parts explanation of the ultraviolet ray exposure equipment
] (Divide parts explanation)
16 August 1998
*Update [
Integrated Circuits
] (Delete VRML file of 78l05 and 7805)
*Update [
Transistors
] (Delete VRML file of 2SD880)
*Update [
Making PWB
] (Add ultraviolet ray exposure equipment)
*New [
The timer circuit explanation of the ultraviolet ray exposure equipment
]
*New [
The timer circuit pattern drawing of the ultraviolet ray exposure equipment
]
*New [
The structure explanation of the ultraviolet ray exposure equipment
]
*New [
The parts explanation of the ultraviolet ray exposure equipment
]
*New [
The equipment explanation of the ultraviolet ray exposure equipment
]
*New [
Circuit drawing of the ultraviolet ray exposure equipment
]
*New [
The ultraviolet ray exposure equipment
]
*New [
Mask pattern
]
*New [
The implement of the PCB making
]
*Update [
Menu
] (Add new item "Manufacturing of Original PCB")
*New [
Manufacturing of Original PCB
]
9 August 1998
*Update [
TV tuner
] (Change explanation of 'Horizontal back porch')
*Update [
Serach Engine Collection
]
2 August 1998
*Update [
Resistors
] (Link to logarithm table)
*Update [
Circuit operation explanation of astable multivibrator
] (Link to logarithm table)
*New [
Logarithm Table
]
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