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SMD Type Crystal MCF AGMCF-SF7050
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SMD Type MCF (Monolithic Crystal Filters)    AGMCF-SF7050

Features:

  • Small size, light weight.
  • Wide frequency range.
  • Seam type.

12.5kHz Channel Spacing

Type

Freq.

Poles

Pass Band Width

Stop Band Width

Ripple

Loss
     

dB

kHz

dB

kHz

dB

dB

21R08A

21.4 MHz

2

3

± 3.75 kHz

20

± 18 kHz

0.5

1.5

45R08A

45.0MHz

2

3

± 3.75 kHz

10

± 12.5 kHz

1.0

2.5

25.0kHz Channel Spacing

Type

Freq.

Poles

Pass Band Width

Stop Band Width

Ripple

Loss
     

dB

kHz

dB

kHz

dB

dB

21R15A

21.4 MHz

2

3

± 7.5 kHz

18

± 25 kHz

0.5

1.5

45R15A

45.0 MHz

2

3

± 7.5 kHz

15

± 25 kHz

1.0

2.0

 

50.0 kHz Channel Spacing

Type

Freq.

Poles

Pass Band Width

Stop Band Width

Ripple

Loss
     

dB

kHz

dB

kHz

dB

dB

21R30A

21.4 MHz

2

3

± 15 kHz

15

± 45 kHz

0.5

1.5

45R30A

45.0 MHz

2

3

± 15 kHz

15

± 50 kHz

1.0

2.0

 

Dimension: (mm)

AGMCF-SF7050

A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a very precise frequency.This frequency is commonly used to keep track of time (as in quartz wristwatches), to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers. The most common type of piezoelectric resonator used is the quartz crystal, so oscillator circuits incorporating them became known as crystal oscillators,but other piezoelectric materials including polycrystalline ceramics are used in similar circuits.
Quartz crystals are manufactured for frequencies from a few tens of kilohertz to tens of megahertz. More than two billion crystals are manufactured annually. Most are used for consumer devices such as wristwatches, clocks, radios, computers, and cellphones. Quartz crystals are also found inside test and measurement equipment, such as counters, signal generators, and oscilloscopes.
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