Citizen Finedevice Co., Ltd. (former Citizen Finetech Miyota)Citizen
is one of the world's largest manufacturer of kHz range quartz crystals
in cylindrical, plastic, metal and ceramic packages for precision
watches and other applications.
Products: KHz range crystals
TAI-SAW Technology CO., LTDFormer Motorola employees founded
TST in 1997. TST is now recognized as the leading SAW (surface acoustic
wave) device supplier in Taiwan, as well as the key OEM/ODM supplier of
SAW device in the world.
Products and operations cover BAW (Bulk Acoustic Wave) devices and modules (Xtal, XO, VCO, VCTCXO… etc).
http://www.taisaw.com/en
MARUWA CO.,LTDMaruwa is setting new standards for tomorrow's
fine ceramics technology. The compact, high-performance models equipped
with a subminiature VCO or LTCC substrate are developed to support
cellular phones, tablets and many other complex applications.
Products: Voltage Controlled Oscillators / VCO to 6 GHz, others
Chequers Electronic Ltd. (China)Chequers Electronic Ltd.
(China) is one of the world experts focusing on frequency-control
components based on its own advanced ceramic technology.
Products:
KHz/MHz crystals, XO & VCXO, crystal/dielectric/SAW filters, ceramic
IF filters, SAW/ceramic resonators, ceramic antennas, others
http://www.chequers-electronic.com
SMI INC.SMI is a crystal technology leader specializing in
crystals, clock OSC, TCXO, VCXO, MCF filters mainly for the 16KHz -
300MHz range, in different SMD and thru-hole packages.
Products: KHz / MHz crystals, XO / VCXO / TCXO / VCTCXO, monolithic crystal filters, other
SiTime, an analog semiconductor company, is revolutionizing the timing
industry with silicon MEMS-based oscillators and clock generators. Their
timing solutions are rapidly replacing legacy quartz crystal products
by offering higher performance and reliability at a lower cost. With the
robust MEMS resonators and high performance analog ICs, SiTime has
developed breakthrough solutions that overcome the limitations of quartz
devices.
The oscillators are 100% drop-in replacements for quartz
oscillators without any design changes. Plus, the programmable
architecture enables the most flexible products with more features and
ultra fast lead-times. SiTime is enabling the miniaturization of
electronic products. For new designs or re-design, customers can use
SiTime oscillators in the industry’s smallest packages – as small as 1.5
x 0.8 mm.
Products and operations cover MEMS XO, MEMS VCO, MEMS TCXO, MEMS VCTCXO, MEMS XO 32.768 kHz… etc).
Nisshinbo Micro Devices Inc.Nisshinbo is leading RF company
focusing on Surface Acoustic Wave (SAW) filters for cellular, GPS,
industrial, and consumer markets.
Products: SAW filters , SAW resonators, other
https://www.nisshinbo-microdevices.co.jp/en/