
Allicdata Part #: | HC-49/U-S20000000CHLB-ND |
Manufacturer Part#: |
HC-49/U-S20000000CHLB |
Price: | $ 0.25 |
Product Category: | Crystals, Oscillators, Resonators |
Manufacturer: | Citizen Finedevice Co Ltd |
Short Description: | CRYSTAL 20.0000MHZ 22PF T/H |
More Detail: | 20MHz ±100ppm Crystal 22pF 50 Ohms HC-49/US |
DataSheet: | ![]() |
Quantity: | 1000 |
1000 +: | $ 0.22932 |
Series: | HC-49/U-S |
Packaging: | Bulk |
Part Status: | Active |
Type: | MHz Crystal |
Frequency: | 20MHz |
Frequency Stability: | ±100ppm |
Frequency Tolerance: | ±100ppm |
Load Capacitance: | 22pF |
ESR (Equivalent Series Resistance): | 50 Ohms |
Operating Mode: | Fundamental |
Operating Temperature: | -40°C ~ 85°C |
Ratings: | -- |
Mounting Type: | Through Hole |
Package / Case: | HC-49/US |
Size / Dimension: | 0.453" L x 0.183" W (11.50mm x 4.65mm) |
Height - Seated (Max): | 0.138" (3.50mm) |
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Crystals are used in a wide variety of electronics, from digital watches to military radio receivers. High-precision oscillators, like the HC-49/U-S20000000CHLB, make up a large portion of crystal applications, as their regular and predictable oscillations are used to time and synchronize electrical systems.
The HC-49/U-S20000000CHLB is a high-precision crystal oscillator specifically designed for military applications. It has excellent frequency stability and temperature stability characteristics, making it well-suited for use in demanding conditions. The HC-49/U-S20000000CHLB operates between frequencies of 20MHz and 200MHz, and comes in both through-hole and surface-mount packages.
The working principle of the HC-49/U-S20000000CHLB is based on the quartz resonator concept. The quartz resonator consists of a piezoelectric quartz crystal which is cut in a precise orientation. When a voltage is applied to the crystal, it vibrates at a precise frequency. This precise frequency is a function of the oscillator’s geometry and electrical characteristics, as well as the specific cuts and orientations of the quartz crystal.
The HC-49/U-S20000000CHLB employs a variety of technologies to ensure excellent frequency stability over temperature, drive level and aging. The main technology used is the use of temperature compensation circuits which adjust the frequency of the oscillator based on environmental temperature. Other technologies used include an improved crystal design for improved stability, and an internal oscillator circuit for improved drive level performance. All of these technologies combine to form an oscillator that is extremely stable and predictable over time.
The HC-49/U-S20000000CHLB is used in a wide variety of military applications, including avionics systems, ground control systems, radio receivers, telemetry receivers, satellite systems, and more. It is particularly well-suited for use in mission-critical applications where frequency stability and ruggedness are key requirements, making it an ideal choice for many military applications.
In summary, the HC-49/U-S20000000CHLB is a high-precision crystal oscillator specifically designed for military applications. It has excellent frequency stability and temperature stability characteristics, making it well-suited for use in demanding conditions. The main technology used to ensure excellent frequency stability is temperature compensation, which is supplemented by improved crystal design and an internal oscillator circuit. The HC-49/U-S20000000CHLB is used in a wide variety of military applications, making it an ideal choice for many mission-critical applications.
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