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May Phase Locked Loop. General Description. VCO frequency is set with an external resistor and capacitor,. The characteristics of the closed loop. The loop may be broken between the. VCO and the phase detector for insertion of a digital fre-. The LMCN is speci-. Connection Diagrams. Metal Can Package. Dual-in-Line Package. Order Number LMH. Absolute Maximum Ratings Note 1. Distributors for availability and specifications. Supply Voltage.
Power Dissipation Note 2. Differential Input Voltage. Operating Temperature Range. Storage Temperature Range. Lead Temperature. Soldering, 10 sec. Electrical Characteristics. Min Typ Max.
Power Supply Current. Input Impedance Pins 2, 3. VCO Maximum Operating. Operating Frequency. Temperature Coefficient. Frequency Drift with.
Triangle Wave Output Voltage. Triangle Wave Output Linearity. V p-p. Square Wave Output Level. Output Impedance Pin 4. Square Wave Duty Cycle. Square Wave Rise Time. Square Wave Fall Time. Output Current Sink Pin 4. VCO Sensitivity. Demodulated Output Voltage. Pin 7. Total Harmonic Distortion. Output Impedance Pin 7. DC Level Pin 7. Output Offset Voltage. AM Rejection.
Phase Detector Sensitivity K D. Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar-. This assumes that the device is within the Operating Ratings.
Specifications are not guaranteed for parameters where no limit is. For operation at elevated temperatures, devices in the TO-5 package must be. Download LM Datasheet. The VCO frequency is set with an external resistor and capacitor, and a tuning range of can be obtained with the same capacitor. The characteristics of the closed loop system — bandwidth, response speed, capture and pull in range — may be adjusted over a wide range with an external resistor and capacitor.
The loop may be broken between the VCO and the phase detector for insertion of a digital fre- quency divider to obtain frequency multiplication. Operating Ratings indicate conditions for which the device is func- tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar- antee specific performance limits.
Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance.
Phase Lock loop (PLL) LM565 Circuit
The device mainly consists of two components, one is voltage controller oscillator and other is phase detector. The device being cheap can be used in applications where cost is considered. In the device pin 2 and pin3 are inputs where we can connect the input analog signal but usually pin 3 will be grounded and pin2 is used as input. The input signal goes in to the phase detector along with VCO feedback and this phase detector compares whether both signal are in same phase or frequency. If they are in phase or frequency the PD provides zero voltage output and if phase or frequency is present the PD provides positive output voltage.
LM565N - LM565 Phased Locked Loop
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