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    • Red/Blue/Green Led Display 6 Digits 0.1Mhz~65Mhz Digital Rf Frequency Meter Counter Tester Cymometer Plj-6Led-A Dc 8V~15V

    USD $7.60VAT Included50% OFFFree Shipping
    Just for Dropshipping and Wholesale
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    • Ships in 24 hours via Fast Shipping.
    • Estimated Delivery 5 to 9 Business Days.
    Customer Reviews
    *Note: Some reviews have been processed by Google Translate!
    M***h Verified Buyer

    The order came quickly, standard packed. To the seller Thank you very much for prompt delivery. I recommend the goods to everyone and the seller.

    5
    P***k Verified Buyer

    Very fast, and the product in perfect condition thanks to the seller and a greeting from Mexico Thanks

    5
    G***b Verified Buyer

    Everything works fine. Good qulity. Fast shipping. I'm happy with the purchase. Thank you seller!

    4
    V***n Verified Buyer

    Thank you to the seller, everything matches. But the prices are almost not lifting.

    4
    O***f Verified Buyer

    Arrived earlier than expected and if it was like in the photo and it worked nicely

    5
    M***t Verified Buyer

    Delivery very fast in just 10 days in House, the frequency meter works well.

    5
    G***d Verified Buyer

    Received in good condition and conformed to what was advetised, thank you

    5
    T***v Verified Buyer

    I recommend the producer! Shipping fast. I order not the first time.

    5
    O***e Verified Buyer

    Meter works without problems. Order received very quickly. OK

    5
    D***k Verified Buyer

    Seller recommended foremost nicely without poblema no class

    5
    X***z Verified Buyer

    The quality of course on the triple and the testimony lie

    5
    U***i Verified Buyer

    Good digital scale. Shows exactly. You can calibrate.

    5
    I***z Verified Buyer

    All OK! Works good! I recommend the seller.

    4
    J***y Verified Buyer

    OK all right as the announcement very good

    5
    W***z Verified Buyer

    I do not know how accurate but it works.

    5
    S***w Verified Buyer

    Fast shipping. Thank you.

    4
    O***r Verified Buyer

    Everything is fine!

    5
    J***d Verified Buyer

    Delivery all works

    5
    Z***c Verified Buyer

    Thank you.

    5
    U***y Verified Buyer

    Thank you!

    4
    U***l Verified Buyer

    Thank you!

    5
    P***o Verified Buyer

    OK

    4
    G***r Verified Buyer

    ok

    5
    U***t Verified Buyer

    OK

    5
    W***l Verified Buyer

    ok

    5
    J***c Verified Buyer

    Ok

    4
    Q***d Verified Buyer

    OK

    4
    C***n Verified Buyer

    OK

    4

    DIY Supplies: ELECTRICAL
    Display Type: Digital Only
    Certification: CE
    Measuring Range: 0.1MHz~65MHz
    Dimensions: 9cm x 2.5cm x 2cm
    Operating Temperature: 0-50c
    Model Number: PLJ-6LED-A Frequency Meter
    Accuracy Class: /
    Voltage: DC 8V~15V


    Reference description:
    PLJ-6LED-A is a cost-effective six-digit LED frequency display module specially designed for forum HAM friends. It is mainly used to display the frequency value of transceivers and other equipment, and can also be used for regular frequency measurement. This module has the characteristics of small and exquisite, reliable performance, good visual effect and low cost.
    Technical Parameters:
    1. Gate time
    0.1 second
    2. Measurement channel
    Input impedance: high impedance
    Measuring range: 0.1 MHz~65 MHz
    Measurement accuracy: 10 Hz
    Sensitivity: better than 60mVpp
    3. IF setting
    Independent dual intermediate frequency design, the minimum step of intermediate frequency adjustment is 100Hz, the intermediate frequency range is 0~99.9999MHz, and the mode of adding intermediate frequency or subtracting intermediate frequency can be set.
    4. Frequency reference
    Using 5032 package 13.000MHz Temperature Compensated Voltage Controlled Crystal Oscillator (VC-TCXO), the frequency stability is ±2.5ppm.
    5. Working voltage
    DC input: DC8V~15V (with power reverse polarity protection) or DC5V (hardware setting required).
    5. Working current
    Max 90mA
    7. Display digits
    Six-digit common anode LED display, the highest display six digits.
    8. Display brightness
    Eight-level LED brightness is adjustable, and the factory setting is the highest brightness.
    9. Physical dimensions
    Length × width × height: 91mm×28mm×20mm
    10. Onboard interface
    RF IN (signal input): HX2.54-2P socket
    ICSP (programming interface): 2.54-6P pin
    DC IN (power interface): HX2.54-2P socket
    Package Included:
    1 *frequency counter
    2 *connecting wires
    Pre-amplification:
    The radio frequency signal enters the pre-wideband amplification from RF IN.
    The signal amplification is composed of dual-gate FETs BF998R, C3356 and its peripheral components with extremely high input impedance. The 50K trimming resistor adjusts the C3356 operating point to change the channel sensitivity. After amplification, the signal enters the MCU RA4 for counting, and the Schmitt trigger in RA4 The converter acts as a signal shaping.
    MCU control:
    RB1 and RB2 of PIC16F628A are the clock and data control terminals of TM1637 respectively. RA6 and RA7 serve as the online programming interface ICSP, and are also the control terminals for dual-IF switching and the last bit display blanking. RA4 counts external pulses and RA3 controls the gate.
    Display and key control: