Frequency Multipliers & Dividers

A frequency multiplier is an electronic circuit that creates a (typically integer) harmonic of its input frequency – for example it could be used to double a 200 Hz input to 400 Hz at the output. Frequency multipliers use a nonlinear circuit to severely distort the input signal, before applying a band-pass filter to only provide the desired multiple of the input frequency. A frequency divider does the inverse of a frequency multiplier, in that it divides an input frequency to a lower rate.

Frequency multipliers and dividers are used in both digital and analog applications.

Uses for frequency multipliers

Frequency multipliers are often seen as a more economical way to create high-frequency signals from low-frequency inputs, which are easier to generate. Common applications include PLL frequency synthesisers, signal generators and communications circuits.

Uses for frequency dividers

Frequency dividers can be used for applications including satellite communications, fibre optics and point-to-multipoint radios, as these require very high frequencies to operate effectively.

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Description Price Logic Family Logic Function Number of Elements per Chip Mounting Type Pin Count Package Type Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Minimum Operating Supply Voltage Minimum Operating Temperature
RS Stock No. 796-7957
Mfr. Part No.CD4521BE
Each (In a Pack of 25)
CD4000 Frequency Divider 1 Through Hole 16 PDIP 19.69 x 6.6 x 4.57mm 19.69mm 6.6mm 4.57mm 18 V +125 °C 3 V -55 °C
RS Stock No. 162-7026
Mfr. Part No.SN7497N
Each (In a Tube of 25)
74 - - Through Hole 16 PDIP 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm - +70 °C - 0 °C
RS Stock No. 662-4542
Mfr. Part No.SN7497N
74 - - Through Hole 16 PDIP 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm - +70 °C - 0 °C