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# Example questions:
➢ The datasheet mentions a 'life support policy'. briefly, what does this policy state regarding the use of national semiconductor products in life support devices?
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| Part No. | LM1391 |
| Manufacturer | NSC |
| Size | 131 Kbytes |
| Pages | 6 pages |
| Description | LM1391 Phase-Locked Loop |
# LM1391 Phase-Lock Loop (PLL) - Summary and Key Information
1. Overview & Intended Use:
️· The LM1391 is a phase-lock loop (PLL) integrated circuit.
️· It's designed to be versatile, suitable for various applications.
️· Originally intended for TV horizontal processing, it can be used as a general-purpose PLL.
2. Key Features & Specifications:
️· Supply Voltage: Not explicitly stated, but implied to be compatible with standard logic levels.
️· Oscillation Range: The text mentions a maximum oscillator frequency of 500 kHz.
️· Noise Bandwidth: The equations provided indicate a method for calculating the noise bandwidth.
️· Damping Factor: A formula is given for calculating the damping factor.
️· Equations: Important equations related to frequency calculation and loop behavior are provided in the application information section. (See the application information section for details.)
️· Electrical Characteristics: Detailed specifications are presented in a table format covering parameters like regulated voltage, supply current, saturation voltage, oscillator range, and more. (See the full specification table for specifics)
️· Life Support Policy: A disclaimer regarding its use in life-support systems is included.
3. Application Information:
️· TV Horizontal Processing: Initially designed for this purpose.
️· General-Purpose PLL: Suitable for a wider range of applications.
️· Example Circuit Diagrams: Figures 1, 2, and 3 illustrate various application circuits (TV Horizontal Processor, General Purpose Phase-Lock Loop, Variable Duty Cycle Oscillator).
4. Package Information:
️· Package Type: Molded Dual-In-Line Package (DIP).
️· Order Number: LM1391N.
️· Package Number: NS Package Number N08E.
5. Important Equations (Refer to the original text for formatting):
️· Frequency Calculation: R201, R301, Vcc, fO
️· Noise Bandwidth Calculation: Uses R and C values, and the damping factor.
️· Damping Factor Calculation: Uses R and C values.
This summary provides a concise overview of the LM1391 PLL. Refer to the original document for the complete specifications and application details.
# LM1391 Phase-Lock Loop (PLL) - Summary and Key Information
1. Overview & Intended Use:
️· The LM1391 is a phase-lock loop (PLL) integrated circuit.
️· It's designed to be versatile, suitable for various applications.
️· Originally intended for TV horizontal processing, it can be used as a general-purpose PLL.
2. Key Features & Specifications:
️· Supply Voltage: Not explicitly stated, but implied to be compatible with standard logic levels.
️· Oscillation Range: The text mentions a maximum oscillator frequency of 500 kHz.
️· Noise Bandwidth: The equations provided indicate a method for calculating the noise bandwidth.
️· Damping Factor: A formula is given for calculating the damping factor.
️· Equations: Important equations related to frequency calculation and loop behavior are provided in the application information section. (See the application information section for details.)
️· Electrical Characteristics: Detailed specifications are presented in a table format covering parameters like regulated voltage, supply current, saturation voltage, oscillator range, and more. (See the full specification table for specifics)
️· Life Support Policy: A disclaimer regarding its use in life-support systems is included.
3. Application Information:
️· TV Horizontal Processing: Initially designed for this purpose.
️· General-Purpose PLL: Suitable for a wider range of applications.
️· Example Circuit Diagrams: Figures 1, 2, and 3 illustrate various application circuits (TV Horizontal Processor, General Purpose Phase-Lock Loop, Variable Duty Cycle Oscillator).
4. Package Information:
️· Package Type: Molded Dual-In-Line Package (DIP).
️· Order Number: LM1391N.
️· Package Number: NS Package Number N08E.
5. Important Equations (Refer to the original text for formatting):
️· Frequency Calculation: R201, R301, Vcc, fO
️· Noise Bandwidth Calculation: Uses R and C values, and the damping factor.
️· Damping Factor Calculation: Uses R and C values.
This summary provides a concise overview of the LM1391 PLL. Refer to the original document for the complete specifications and application details.
| Part No. | LM1391 |
| Manufacturer | NSC |
| Size | 131 Kbytes |
| Pages | 6 pages |
| Description | LM1391 Phase-Locked Loop |
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