Features Advanced Microchip Technology: Equipped with a Microchip PIC16F648A, ensuring measurements from 0.1 to 1000MHz with superior accuracy and reliability Temperature-Compensated Performance: Features a 2.5 ppm VC-TCXO for stable frequency readings, minimizing drift caused by temperature variations for consistent results Innovative Gate Control Algorithm: Utilizes a unique time algorithm for non-timed interrupts, enhancing measurement efficiency and providing instantaneous frequency updates Flexible Display Refresh Options: Choose from gate times of 0.01, 0.1, or 1.0 seconds for real-time frequency display, allowing for tailored measurement intervals to suit your needs Versatile Input Design: Offers single-ended input with three-channel frequency measurement (low, high, auto), making it ideal for various RF applications and enhancing usability 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