Mô đun đo tần số 1MHz~1.2GHz PLJ‐0802 chuyên dụng tại Lotte Market

Giới thiệu Mô đun đo tần số 1MHz~1.2GHz PLJ‐0802 chuyên dụng tại Lotte Market

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_______________Product Information______________



Feature:
1. High-performance 1.2GHz frequency counter based on for Microchip's 8-bit microcontroller PIC16F648A
2. The minimum step of intermediate frequency adjustable is 100Hz, the intermediate frequency range is 0~999.9999MHz, and it is set to plus or minus intermediate frequency mode
3. Built in frequency reference adopts temperature‑compensated voltage‑controlled crystaloscillator (±2.5 ppm VC‑TCXO)
4. Adopt dual intermediate frequency design, intermediate frequency value and plus/minus mode can be preset separately
5. LCD0802 LCD screen display, up to 7 digits can be displayed, and the frequency value of invalid zero is automatically blanked
6. Anti‑reverse power supply design, provide low‑power battery‑powered solution
7. Come with double button control, which possess good man‑machine interface
8. Various settings are automatically saved in EEPROM and directly recalled after power‑on

Specification:
Item Type: Frequency Measurement Module
Material: PCB
Uses: Mainly used for DIY transceivers for frequency value display, and can also be used for regular frequency measurement
Gate Time: 0.64s
Measuring Range: 1MHz~1.2GHz
Measurement Accuracy: ±100Hz
Working Voltage: DC 9V~12V (with power reverse polarity protection)
Working Current: Enable Backlight:
 Test frequency（MHz）
 5
 10
 30
 60
 100
150 
 200
300 
450 
 Sensitivity（mV RMS）
 35
 20
 10
 3
 3
 4
 8
 15
 12
Test frequency（MHz）
 500
 550
 600
 700
 800
 900
1000
 1100
 1200
 Sensitivity（mV RMS）
 14
 30
 65
 80
 80
 35
 175
 270
 310
Onboard Interface:
RF INPUT (measurement signal input): XH2.54-2P square socket
ICSP INPUT (MCU programming interface): XH2.54-6P pin
POWER INPUT: XH2.54-2P square socket
How to Use:
1. Please check the power supply voltage (DC 9V-12V) and polarity before use, and then turn on the power supply after confirming that it is correct. The machine has a fool-proof design, the power supply polarity is reversed, the machine will not work, but it will not produce destructive consequences.
2. The measurement signal input is connected to the test line (wired method) or antenna (induction method) with the 2P square socket.
3. Turn on the power of the instrument to warm up for a few minutes and wait for