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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Täpsem kirjeldus Brand Stock 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
Microchip Technology SY89545L SY89545LMG, Multiplier, 5-Channel, 32-Pin MLF Microchip Technology 60 LVDS - 5 Surface Mount 32 MLF 5 x 5 x 0.8mm 5mm 5mm 0.8mm 3.6 V +85 °C 3 V -40 °C
Microchip Technology SY89545L SY89545LMG, Multiplier, 5-Channel, 32-Pin MLF Microchip Technology 0 LVDS - 5 Surface Mount 32 MLF 5 x 5 x 0.8mm 5mm 5mm 0.8mm 3.6 V +85 °C 3 V -40 °C
Texas Instruments CD4521BM, Frequency Divider, Frequency Divider, 2-Channel, 16-Pin SOIC Texas Instruments 920 4000 Frequency Divider 2 Surface Mount 16 SOIC 10 x 4 x 1.5mm 10mm 4mm 1.5mm 18 V +125 °C 3 V -55 °C
Texas Instruments CD4521BE, Frequency Divider, Frequency Divider, , 1-Channel, 16-Pin PDIP Texas Instruments 725 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
Nexperia HEF4521BT,652, Frequency Divider, Frequency Divider and Oscillator, , 1-Channel, 16-Pin SOIC Nexperia 169 4000 Frequency Divider and Oscillator 1 Surface Mount 16 SOIC 20 x 4 x 1.45mm 10mm 4mm 1.45mm 15 V +85 °C 3 V -40 °C
ON Semiconductor MC10EP33DG, Frequency Divider, , 1-Channel, 8-Pin SOIC ON Semiconductor 58 ECL Divider 1 Surface Mount 8 SOIC 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C 3 V -40 °C
ON Semiconductor MC100EP33DTG, Frequency Divider, , 1-Channel, 8-Pin TSSOP ON Semiconductor 44 ECL Divider 1 Surface Mount 8 TSSOP 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm -5.5 V, 5.5 V +85 °C -3 V, 3 V -40 °C
Texas Instruments SN7497N, Multiplier, 16-Pin PDIP Texas Instruments 16 74 - - Through Hole 16 PDIP 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm - +70 °C - 0 °C
Nexperia HEF4521BT,652, Frequency Divider, Frequency Divider and Oscillator, , 1-Channel, 16-Pin SOIC Nexperia 0 4000 Frequency Divider and Oscillator 1 Surface Mount 16 SOIC 20 x 4 x 1.45mm 10mm 4mm 1.45mm 15 V +85 °C 3 V -40 °C
ON Semiconductor MC100EP33DTG, Frequency Divider, , 1-Channel, 8-Pin TSSOP ON Semiconductor 0 ECL Divider 1 Surface Mount 8 TSSOP 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm -5.5 V, 5.5 V +85 °C -3 V, 3 V -40 °C
ON Semiconductor MC10EP33DG, Frequency Divider, , 1-Channel, 8-Pin SOIC ON Semiconductor 0 ECL Divider 1 Surface Mount 8 SOIC 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C 3 V -40 °C
Texas Instruments SN7497N, Multiplier, 16-Pin PDIP Texas Instruments 0 74 - - Through Hole 16 PDIP 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm - +70 °C - 0 °C
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