DSC1001DL5-040.0000T

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	15µA
Height - Seated (Max):	0.035" (0.90mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	AEC-Q100
Current - Supply (Max):	6.9mA
Operating Temperature:	-40°C ~ 105°C
Series:	DSC1001
Voltage - Supply:	1.7 V ~ 3.6 V
Output:	LVCMOS
Function:	Standby (Power Down)
Frequency:	40MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

DSC1001DL5-040.0000T (hereinafter referred to as DSC1001) is an oscillator piece in the oscillator family. In most electronic circuits, it is necessary to generate periodic or oscillating signals, that is, an oscillator in the practical field of electronic engineering technology. It is an important electronic component, and oscillators are widely used in radio transmitting and receiving technology, radar technology, television technology, mobile communication technology, and other fields as frequency generators and synthesizers.

Application field

Oscillators are widely used in the fields of radio transmitting and receiving technology, radar technology, television technology, mobile communication technology, radio frequency technology and so on.In radio transmitters and receivers, oscillators can be used as carriers of radio frequency signals, and by modulating the amplitude, frequency or phase of the oscillation, radio frequency signals with information can be generated. In radio transmitters, this oscillation signal can drive antennas. The transmitted waves propagate not only in the air, but also in the space to form communication channels. Oscillators are also widely used in frequency synthesisers, due to their ability to generate accurately controlled multiple radio frequencies and narrowband radio frequency signals. The signal output of the synthesiser can be used directly in the set frequency range.In radar technology, oscillators are used to generate signals with accurate frequencies for target detection. In television technology, oscillators are used to accurately generate the driving voltage of the CRT display tube, so that the vertical and horizontal scanning signals can be generated on the screen. In mobile communication technology , it is necessary to generate signals to control the communication channel. Therefore, oscillators play an important role in the overall communication signal to noise ratio.

Working principle

The working principle of DSC1001 is mainly based on the feedback principle. The output of the signal from the oscillator is used as the input, and the feedback is used to control the signal frequency and amplitude. There are two types of feedback loops: positive feedback and negative feedback. The oscillator is composed of an active device (an amplifier circuit), a feedback network, and an oscillation power supply in series, and the positive and negative feedback loop is formed by connecting the output signal to the input circuit through the feedback network respectively.DSC1001 oscillator is composed of an amplifier circuit, a feedback circuit, a frequency-determining device and a DC power supply. The amplifier circuit realizes the function of amplifying and converting the output oscillation signal, and the feedback circuitmeans the electrical connection between the output and the feedback end of the amplifier designed for the oscillator. The frequency-determining device includes capacitors, inductors, quartz crystals, magnetostrictive devices, and other devices whose electrical characteristics make them suitable for oscillator operation. The DC power source provides the necessary direct current power to make the oscillator work successfully. The electrical signals output by the oscillator depend on the structure of the oscillator, such as the size of the load resistance and the feedback resistance. When the active device is a transistor, the oscillator voltage signal mainly depends on the emitter voltage and the DC power supply voltage, while the amplitude of the oscillator signal mainly depends on the value of the load resistance. When the active device is an operational amplifier, the oscillator voltage signal mainly depends on the power supply voltage and the feedback resistance, while the oscillator signal amplitude also depends on the magnitude of the load resistance. When the oscillator is in a stable working state, the circuit round-trip delay time is nearly equal to the period τ of the output oscillation signal. When the frequency of the oscillator is higher than fC, the output frequency fE is determined by fC, and the oscillator is said to be in the phase-locked state. When fE increases to a certain level, the phase-lock loop will be locked again, and its frequency is determined by the external RC network, so the frequency can be accurately controlled.

Conclusion

In conclusion, DSC1001 is an important component in the field of oscillator. It is widely used in radio transmitting and receiving technology, radar technology, television technology, mobile communication technology, and other fields. It works by using a feedback principle, and the output voltage and frequency are determined by the active device and the feedback loop. The resonator and the DC power supply can accurately control the amplitude and frequency of the output oscillation signal.

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