Circuit Enables PCs to Communicate via IrDA - マキシム   [Open results in new window]
... To compress standard NRZ signals into valid IrDA (RZ) signals and to stretch standard
RZ IrDA back to standard NRZ, IC1 must be driven by a clock frequency 16 ...
japan.maxim-ic.com/appnotes.cfm/an_pk/631 - 27k

IrDA and RS-232: A Match Made in Silicon - マキシム   [Open results in new window]
... Digital Assistant; RS232: Recommended Standard 232; RZ: Return to Zero; SIR: Serial
Infrared; SPI: Serial Peripheral Interface; TTL: Transistor ...
japan.maxim-ic.com/appnotes.cfm/an_pk/3024 - 37k

DS26303 ...   [Open results in new window]
... IDT82V2048 MCLK held high. The IDT82V2048 slices the incoming bipolar line signal
into RZ pulse (data-recovery mode). IDT82V2048 MCLK held low. ...
japan.maxim-ic.com/appnotes.cfm/an_pk/3916 - 41k

短距離UHF ASK変調トランスミッタに関するFCC ...   [Open results in new window]
... １に示す周期2Tの方形波を、データ速度1/Tの1010...という非ゼロ復帰(
non-return-to-zero：NRZ)データシーケンスだと考えます ...
japan.maxim-ic.com/appnotes.cfm/an_pk/3587 - 48k

Circuit Tradeoffs Minimize Noise in Battery-Input Power Supplies ...   [Open results in new window]
... Operating a buck converter in its deep continuous-conduction mode, in which the
inductor current does not return to zero within each switching cycle, further ...
japan.maxim-ic.com/appnotes.cfm/an_pk/653 - 41k