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Name: CD4046BE
Brand: Texas Instruments
SKU: CD4046BE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments CD4046BE

Part No.:: CD4046BE

Manufacturer:: Texas Instruments

Package:: 16-DIP (0.300, 7.62mm)

Datasheet:: CD4046BE.pdf

Description:: IC PHASE-LOCK LOOP MCPWR 16-DIP

In Stock:: 2417

Quantity:: Add To Cart

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CD4046BE Specifications

Package/Case:
16-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Phase Lock Loop (PLL)
PLL:
Yes
Input:
CMOS
Output:
CMOS
NumberofCircuits:
1
Ratio-Input:Output:
1:1
Differential-Input:Output:
No/No
Frequency-Max:
2.4MHz
Divider/Multiplier:
Yes/No
Voltage-Supply:
3V ~ 18V
OperatingTemperature:
-55°C ~ 125°C
MountingType:
Through Hole

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CD4046BE information

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CD4046BE Typical application Circuitry

CD4046BE is a versatile integrated circuit primarily used for phase-locked loop (PLL) applications. It consists of a VCO (voltage-controlled oscillator), phase comparator, and other components essential for PLL operation.

Application Scenario:

In frequency synthesis and signal demodulation, CD4046BE is commonly employed to generate stable clock signals or extract modulation information from carrier signals.

Circuit Design:

To design a frequency synthesizer using CD4046BE, follow these steps:

1. VCO Connection:

Connect the timing capacitor and timing resistor to the VCO pins (8 and 9) of CD4046BE. These components determine the VCO frequency range and stability. Additionally, connect the control voltage input pin (5) to an external voltage source for frequency control.

2. Phase Comparator:

Connect the reference signal input (pin 14) and the VCO signal input (pin 3) to the phase comparator inputs. This comparator compares the phase and frequency of the two signals and generates an error voltage proportional to the phase difference.

3. Filter and Amplification:

Connect a low-pass filter and an amplifier to the output of the phase comparator (pin 13). This circuit filters out noise and amplifies the error voltage to provide a stable control signal to the VCO.

4. Feedback Loop:

Connect the output of the filter/amplifier to the control voltage input (pin 5) to establish a feedback loop. This loop adjusts the VCO frequency to minimize the phase difference between the reference and VCO signals.

5. Output Stage:

Connect the output of the VCO (pin 4) to the output stage of the circuit. This stage may include frequency dividers, buffers, or additional processing circuits to obtain the desired output frequency or signal modulation.

Considerations:

When designing the circuit, it's essential to consider:

- Control Voltage Range: Ensure that the control voltage applied to pin 5 falls within the specified range to achieve the desired VCO frequency.

- Loop Bandwidth: Adjust the filter and amplifier parameters to set the loop bandwidth appropriately for the application requirements, balancing stability and response time.

- Noise Immunity: Implement proper decoupling capacitors and shielding techniques to minimize noise interference, especially in high-frequency applications.

- Lock Range: Verify that the VCO frequency range covers the required operating frequency range and that the PLL can reliably lock onto the input signal.

- Component Selection: Choose capacitors, resistors, and other passive components with tight tolerances to ensure consistent performance and frequency accuracy.

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6. What is the process for return or replacement of CD4046BE?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the CD4046BE we delivered, we will accept the replacement or return of the CD4046BE only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of CD4046BE.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations