ASEMPC-75.000MHZ-T3

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	22mA
Height - Seated (Max):	0.035" (0.90mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	35mA
Operating Temperature:	-20°C ~ 70°C
Series:	Pure Silicon™ ASEMP
Voltage - Supply:	2.25 V ~ 3.6 V
Output:	CMOS
Function:	Enable/Disable
Frequency:	75MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are electronic circuits which generate stable and reproducible output frequencies. They are typically used when a consistent frequency or a signal is needed for a specific purpose such as communication or timing. Oscillators are energy converting devices, usually converting electrical energy to mechanical energy. Oscillators are controlled in frequency, phase and amplitude. ASEMPC-75.000MHZ-T3 is one of the oscillators. It is an automatic control AC electromagnetic oscillator whose center frequency reaches 75MHz. It is a high precision and stable oscillator which has a wide application field in communication, measurement, navigation and other fields.

Application Field and Working Principle

ASEMPC-75.000MHZ-T3 is mainly used in communication, navigation, radar, remote-control, FM audio signal modulation and other fields. It has characteristics such as short start-up time, small amplitude regulation degree, wide adjustable range and high output power. The working principle of ASEMPC-75.000MHZ-T3 is that a high voltage supply is applied to an oscillator coil. The voltage is applied to one end of the coil and a center tap is connected to the other end to make a closed loop. An electric current being induced in the coil will create a magnetic field that vibrates at a frequency determined by the coil inductance and the electric field created by the voltage. This vibration is amplified in the amplifier, and the output is an alternating current with a stable frequency.

Structure and Characteristics

ASEMPC-75.000MHZ-T3 has an power amplifier circuits with some active components. Amplifier circuits are usually composed of a high-frequency oscillator, a voltage amplifier, a power amplifier, an inductor and a resistor which form the square wave oscillator circuit. The main characteristics of the ASEMPC-75.000MHZ-T3 includes:

• Fast start-up:
  ASEMPC-75.000MHZ-T3 has relatively short start-up time which can reach hundreds of ms.
• Small amplitude regulation degree:
  The amplitude regulation degree of ASEMPC-75.000MHZ-T3 is very small and the output amplitude fluctuation is within 0.2 dB.
• Wide adjustable range:
  The adjustable range of ASEMPC-75.000MHZ-T3 is -45MHz~90MHz, and output power of each frequency point can reach more than 13dBm.
• High output power:
  The output power of ASEMPC-75.000MHZ-T3 is high and can reach more than 13dBm at the center frequency.

Conclusion

ASEMPC-75.000MHZ-T3 is a high precision and stable oscillator which is mainly used in communication, navigation, radar, remote-control, FM audio signal modulation and other fields. It has characteristics such as short start-up time, small amplitude regulation degree, wide adjustable range and high output power. ASEMPC-75.000MHZ-T3 is a useful tool in the fields of communication and navigation.

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