Update record (5)

Updated on	Updated pages
31 January 1999	Update [Cool Links] (Change layout and Add "MITSUBISHI""JRC") Update [Menu] (Move "Circuit Idea for the Car" and "Ultra High Accuracy Digital Clock" to the "Application collection") *New [Electronic Circuits Application collection]
24 January 1999	New [+12V/-12V Power supply unit] Update [Transistors] (Link to data sheet) Update [Wiring face photograph of the sine wave oscillator] (Add photograph) Update [Part face photograph of the sine wave oscillator] (Add photograph) Update [Operation explanation of the sine wave oscillator] (Add photograph) Update [Sine wave oscillator] (Add photograph)
17 January 1999	New [Wiring face photograph of the sine wave oscillator] (Under construction) New [Part face photograph of the sine wave oscillator] (Under construction) New [Operation explanation of the sine wave oscillator] New [Pattern drawing of the sine wave oscillator] New [Sine wave oscillator] (Under construction) Update [Cool Links] (Add "MAXIM""STMicroelectronics") *Update [Resistors] (Change color code figure)
10 January 1999	Update [Circuit explanation of PLL synthesizing oscillator(3)] (Link to data sheet) Update [Circuit explanation of Digital dial] (Link to data sheet) Update [Circuit explanation of the frequency induction switch] (Link to data sheet) Update [LED counter] (Link to data sheet) Update [Square wave oscillator] (Link to data sheet) Update [A-stable multivibrator(IC type)] (Link to data sheet) Update [555 oscillator] (Link to data sheet) Update [555 timer] (Link to data sheet) Update [Simple amplifier] (Link to data sheet) New [Wiring face photograph of the sawtooth wave oscillator] New [Part face photograph of the sawtooth wave oscillator] New [Operation explanation of the sawtooth wave oscillator] New [Pattern drawing of the sawtooth wave oscillator] New [Sawtooth wave oscillator] Update [Wiring face photograph of the triangular wave oscillator] (Add photograph) Update [Part face photograph of the triangular wave oscillator] (Add photograph) Update [Triangular wave oscillator] (Add photograph) Update [Menu] (Change into the normal version.)
4 January 1999	New [Wiring face photograph of the triangular wave oscillator] (Under construction) New [Part face photograph of the triangular wave oscillator] (Under construction) New [Operation explanation of the triangular wave oscillator] New [Pattern drawing of the triangular wave oscillator] *New [Triangular wave oscillator] (Under construction)
31 December 1998	*Joined to Electronics WebRing.
30 December 1998	Update [Cool Links] (Add "SONY""Electronics Webring") Update [Profile] (Change photograph) New [The traditional event explanation of Japan(4)] New [The traditional event explanation of Japan(3)]
27 December 1998	*Renewed the design of the index page
26 December 1998	Change mail address.[sei-inoue@geocities.com] Joined to GEOCITIES.[http://www.geocities.com/hobby_elec/] New [The traditional event explanation of Japan(2)] New [The traditional event explanation of Japan(1)] New [Traditional Custom in Japan] Update [Menu] (Change into the new year version.) *Update [Cool Links] (Add "NEC""Fujitsu""TOSHIBA""Hitachi""Intel""NatioSemi""TEXAS""OMRON")
13 December 1998	Update [Diodes] (Change figure) Update [Cool Links] (Add "MOTOROLA") *Update [Quick Index]
6 December 1998	Update [Menu] (Change into the X'mas version.) Update [The shop introduction] (Add business hour and regular holiday) *Update [Quick Index]