prescalern.

Brit.

/ˌpriːˈskeɪlə/, U.S.

/priˈskeɪlər/

Origin: Formed within English, by derivation. Etymons: pre- prefix, scaler n.³

Etymology: < pre- prefix + scaler n.³

Electronics.

A scaling circuit used to scale down the input to a counting or other scaling circuit so that the latter can deal with high counting rates.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > counting circuit

ring circuit1879

ring counter1942

scaler1945

ring scaler1949

prescaler1954

1954 E. H. W. Banner Electronic Measuring Instruments xi. 277 When very short resolving times are essential, it is necessary to use a hard-valve pre-scaler in front of a scaler using these new tubes.

1976 CB Mag. June 72/2 Because the VHF prescaler is built-in, the decimal point is placed properly on the display.

1985 Pract. Computing May 41/3 It includes an on-chip 6MHz clock generator, together with pre-scalers to drive the other on-chip facilities.

2000 IEEE Jrnl. Solid State Circuits 35 919/1 High clock frequency and the propagation delay of the transistor enable the flip-flop to operate normally in the dual-modulus prescaler.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	prescaler
释义	prescalern. Brit. /ˌpriːˈskeɪlə/, U.S. /priˈskeɪlər/ Origin: Formed within English, by derivation. Etymons: pre- prefix, scaler n.³ Etymology: < pre- prefix + scaler n.³ Electronics. A scaling circuit used to scale down the input to a counting or other scaling circuit so that the latter can deal with high counting rates. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > counting circuit ring circuit1879 ring counter1942 scaler1945 ring scaler1949 prescaler1954 1954 E. H. W. Banner Electronic Measuring Instruments xi. 277 When very short resolving times are essential, it is necessary to use a hard-valve pre-scaler in front of a scaler using these new tubes. 1976 CB Mag. June 72/2 Because the VHF prescaler is built-in, the decimal point is placed properly on the display. 1985 Pract. Computing May 41/3 It includes an on-chip 6MHz clock generator, together with pre-scalers to drive the other on-chip facilities. 2000 IEEE Jrnl. Solid State Circuits 35 919/1 High clock frequency and the propagation delay of the transistor enable the flip-flop to operate normally in the dual-modulus prescaler. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < n.1954
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