915 Generation PLJ-6LED-A PCB Display RF Signal Counter Used to the Transce

PLJ-6LED is a cost-effective six-digit LED frequency display module specially designed for HAM . It is mainly used for the display of frequency values of transceivers and other equipment, and can also be used for conventional frequency measurement. This module has the characteristics of small and exquisite, performance, good visual effect and low cost.
A 65MHz frequency counter with 's PIC16F648A as the core. , the frequency reference uses a temperature-compensated voltage-controlled crystal oscillator ( +/- 2.5 ppm -TCXO).
Adopt unique gate control and precise time algorithm (non-interrupted ). , the gate (display refresh) time is 0.1 seconds, and the frequency value is displayed in real time. Frequency measurement accuracy 10Hz/100Hz (shift right by one) is optional. , Double IF design, IF value and plus/ mode can be preset independently without affecting each other.
The display driver adopts a dedicated chip for LED display, and the digital tube has high brightness and less external interference. It adopts six-digit 0.56-inch digital tube display, and the invalid zero is automatically blanked, and the eight-level brightness is adjustable.
The circuit is simple, the structure is reasonable, the double button control, the operation is simple. All are automatically saved and directly recalled when power on. Gate time " 0.1 seconds
Measurement channel
Input Impedance: Hi-Z
Measurement range: 0.1 MHz ~ 65 MHz
Measurement accuracy: 10 Hz
Sensitivity: 60mVPP
IF setting dual IF design, the minimum step for IF adjustment is 100 Hz, the IF range is 0 ~ 99.9999 MHz, and the mode of plus or IF can be set.
Frequency reference
Adopt 5032 package 13.000MHz temperature compensated voltage controlled crystal oscillator (-TCXO), frequency stability is +/- 2.5 ppm.
Working voltage
DC input: DC 8V~15V (with power supply reverse polarity protection) or DC 5V (hardware setting required).
Working current
90 mA max
Display digits
Six common anode LED display, up to six digits.
Colour: green
Material: pvc
Size: 8x2cm Package Contents:
1 * Frequency counter
2 * Connecting wires Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.