7W-156.250MBE-T

Series:	7W
Part Status:	Active
Base Resonator:	Crystal
Type:	XO (Standard)
Frequency:	156.25MHz
Function:	Enable/Disable
Output:	CMOS
Voltage - Supply:	3.3V
Frequency Stability:	±50ppm
Absolute Pull Range (APR):	--
Operating Temperature:	-40°C ~ 85°C
Current - Supply (Max):	20mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max):	0.056" (1.42mm)
Current - Supply (Disable) (Max):	--

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Introduction of Oscillators

Oscillator is an electronic circuit which is used to generate repeating electronic signals. It is used in many fields including communication, all kinds of radiation, sound synthesizing, and timing applications etc. Oscillators can be of two general types, namely, the analogue type or the digital type. Analogue oscillators often generate a single frequency such as a sine wave, while digital oscillators, on the other hand, generate a series of digital pulses which are of limited duration with varying spacing and intervals.

7W-156.250MBE-T application field and working principle

7W-156.250MBE-T (7th-Order, 156.250MHz Band-Edge Oscillator) is an advanced, low cost, seventh-order band-edge module created and manufactured by CTS-MCA (Mound Connector & Amplifier) Company. This type of oscillator is designed for use in high-accuracy frequency control, such as communications receivers, cellular radios, base station receivers, frequency calibration equipment, and phase comparison systems.The 7W-156.250MBE-T oscillator works on a special feedback mechanism which can generate extremely clean 156.250 MHz signal with high long-term stability accuracy. It is a phase locked oscillator, which uses an analog phase-locked loop (PLL) technique with a low-noise, sixth-order low-pass Butterworth filter for pulse width amplitude modulation. The oscillator integrates an advanced sub-microsecond-resolution timer/oscillator which ensures precise control of output frequency stability.The 7W-156.250MBE-T oscillator is capable of providing precise and consistent performance under variable conditions. It is capable of operating at temperatures ranging from -20°C to +70°C and its power output is adjustable from +36 to +13 dBm. The device also has an output voltage limit of +45 dBmV and is capable of providing a low temperature coefficient of frequency and phase-locked loop tracking accuracy.

Conclusion

The 7W-156.250MBE-T oscillator is an advanced, low cost, seventh-order band-edge module designed and manufactured by CTS-MCA Company. It is designed for use in high-accuracy frequency control applications, such as communications receivers, cellular radios, base station receivers, frequency calibration equipment, and phase comparison systems. This type of oscillator works on a special feedback mechanism which can generate extremely clean 156.250 MHz signal with high long-term stability accuracy, temperature coefficient of frequency and phase-locked loop tracking accuracy.The 7W-156.250MBE-T oscillator is a highly efficient device that is capable of providing precise and consistent performance under variable conditions. Its output voltage is adjustable from +36 to +13 dBm and it has an output voltage limit of +45 dBmV. Its advanced sub-microsecond-resolution timer/oscillator ensures precise control of output frequency stability and it is capable of operating at temperatures ranging from -20°C to +70°C.

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