ITEM NAME:Signal Frequency Counter 6LED RF Meter LED Display Module 1MHz-1000MHz Green Description: - Master by the United States Microchip (Microchip) PIC16F648A as the core of 65MHz frequency counter. - Japan KDS frequency reference temperature-compensated voltage controlled crystal oscillator ( ± 2.5 ppm VC-TCXO) - Unique gate control and precise time algorithm (non-timer interrupt) - Gate (display refresh) time 0.64 seconds, real-time display frequency value. - Frequency measurement accuracy 10Hz / 100Hz (digital right one) is optional. - Dual IF design, IF value and plus / minus preset mode can be used alone, independently of each other. - Display driver with LED display special chip, high brightness digital tube, less foreign interference. - ARK six .56 inches using digital display, automatic blanking invalid zero, eight adjustable brightness. - Circuit is simple and reasonable structure, two-button control, simple operation. - The settings are automatically saved, boot directly invoked. Specification: - 1. The gate time (Gate time) - 0.64 Second - 2. Measure the channel (Measurement channels) - Input impedance (Impedance): high resistance - Measuring range: 1 MHz to 1000 MHz - Accuracy: 100 Hz / 1000 Hz - Sensitivity: HM8134-2 test data (for reference only) - Test frequency (MHz) 5 10 30 60 100 150 200 300 450 - Sensitivity (mV RMS) 50 40 20 20 30 30 30 40 60 - Test frequency (MHz) 500 550 600 700 800 900 1000 1100 1200 - Sensitivity (mV RMS) 80 90 90 120 150 180 230 360 410 - 3. IF setting (Frequency offset) - Independent double-IF design, IF adjust the minimum increments of 1 KHz, mid-range 0 ~ 999.999 MHz, can be set to add or subtract IF IF mode, the factory default value is zero intermediate frequency (ie, the display value is the signal frequency). - The frequency reference (Frequency reference) - Warming 13.000MHz 5032 package uses voltage controlled crystal oscillator (VC-TCXO), frequency stability of  ± 2.5 ppm. - 5. Working voltage (Operating voltage).Master by the United States Microchip (Microchip) PIC16F648A as the core of 65MHz frequency counter. - Display driver with LED display special chip, high brightness digital tube, less foreign interference.
