Features • Advanced Microchip Technology: Equipped with Microchip's PIC16F648A for measurement, ensuring reliable frequency counting from 0.1 to 1000 MHz • Superior Frequency Stability: Utilizes a temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO) for accurate readings across varying temperatures • Innovative Gate Control: Features a unique time algorithm with non-timed interrupt for enhanced performance, allowing for seaml monitoring of frequency signals • Flexible Display Refresh Rates: Offers adjustable gate times of 0.01 seconds, 0.1 seconds, and 1.0 seconds, providing real-time frequency value updates for immediate analysis • Versatile Measurement Channels: Single-ended input design supports three-channel frequency measurement (low, high, and auto), catering to diverse testing applications Features: 1、With Microchip's PIC16F648A, 2.4 GHz frequency meter. 2、Using temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO). 3、Unique gate control and time algorithm (non-timed interrupt). 4、Gate (display refresh) time 0.01 seconds / 0.1 seconds / 1.0 seconds, real-time display frequency value. 5、Single-ended input design, three-channel frequency measurement (low channel / high channel / Auto Channel). Specification: PLJ-8LED is a cost-effective frequency display component of 8-bit digital tube display. It is mainly used for the display of frequency values of transceiver and other equipment, and can also be used for conventional frequency measurement. This component has the characteristics of compact and delicate, reliable performance, good visual effect and low cost. Features: With Microchip's PIC16F648A, 2.4 GHz frequency meter. Using temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO). Unique gate control and time algorithm (non-timed interrupt). Gate (display refresh) time 0.01 seconds / 0.1 seconds / 1.0 seconds, real-time display frequency value. Single-ended input design, three-channel frequency measurement (low channel / high channel / Auto Channel). Dual frequency design, value and IF / down mode can be preset separately. Using eight 0.56 inches high brightn digital display, eight adjustable brightn. Circuit is simple and reasonable structure, two-button control, simple . The settings are automatically saved, boot directly call. Specification: Model:PLJ-8LED-H Type: Backlight font red, Backlight font blue(Optional) 1. Gate time: 0.01 S 0.10 S 1.0 S 2. Measurement channels (channels are low impedance): low channel Measuring range: 0.1 MHz ~ 60 MHz Accuracy: ± 100Hz (0.01 1s gate time) ± 10Hz (0.1 seconds gate) Package List