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Tel & Network TW-2B PCM Channel Analyzer

Country/Region china
Company Contact-TOP-Holly CO.,LTD.
Categories Hot Work Tool Steel
ICP License Issued by the Chinese Ministry
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    • Product Details
    • Company Profile

    Tel & Network TW-2B PCM Channel Analyzer

    • Name:TW-2B PCM Channel Analyzer
    • SORT:Tel & Network >> Data Transmission Testing
    • Introduction:
    TW-2B PCM Channel Analyzer
    1Features
    Portable design;
    Built-in test template, and graphic display;
    Built-in DC loop feeding circuit and DC loop holding circuit;
    Human engineering design, intelligent English operation interface;
    Large-screen LCD, 320×240 lattice, EL backlight; 
    With mini printer and external printer interface
    2Functions
    English menu, Large-screen, simple operation;
    Multi-task operation (test and browse former records simultaneously);
    Test signal level, frequency gain, level gain, quantizing distortion, idle channel noise, crosstalk, Return loss and longitudinal balance loss;
    End to end and loop-back test;
    Single-channel or 30-channel automatic test, and print it as report form.
    Full-automatic mode, manual mode, full-automatic mode can select one item, several items or all of measure parameters, and the step can be programmable;
    It can save over 60 groups of measure results; the test setup memory can be up to 9; it can also operate non-volatile memory;
    Built-in generator and receiver, the output interface and input interface are respectively with direct current loop feeding circuit and direct current loop holding circuit, not only it can measure E&M 2/4-wire interface, but also it can measure LGE、FXOLGS、FXS interfaces;
    Test result graphic display, compare with built-in ITU-T rec.;
    Measurement result can upload to PC, and take it for analyzing, filing and printing;
    Online updating for embedded software.
    3Technical parameters
    3.1Generator        
    Signal frequency
    100Hz~4000Hzstep: 10Hz
    Output level
    +6~-61dBm0step: 1dB
    Relative level
    +1~-17dBstep: 0.1dB
    Distortion degree
    1020Hz/0dBm050dB
    Frequency response
    ±0.1dB
    Output impedance and return loss
    600 within 200~3600HZ, return loss≥36dB
    Output balance degree
    ≥60dB within 200~3600Hz
    3.2 Receiver
    Level
    Frequency
    200Hz~3600Hz
    Level range
    +13dB~-78dBin which dBm0:+6~-61dB,
    dBr: +7~-17dB
    Measurement error
    0dBm0 is ±0.2dBothers are ±0.3dB
    Ref. signal
    1020Hz/-10dBm0
    Frequency gain
    Ref. signal
    1020Hz/-10dBm0
    Frequency range
    200Hz~3600Hz
    Measurement range
    -60dB~+60dB
    Measurement error
    ±0.2dB
    Level gain
    Ref. signal
    1020Hz/-10dBm0
    Level range
    +5dBm0~-60dBm0
    Measurement range
    -60dB~+60dB
    Measurement error
    ±0.2dB
    Idle channel noise
    Assistant signal
    closed
    Measurement range
    -90dBm0 p~+5dBm0 p, ITU-T weighted
    Measurement error
    -90 ~ -75dBm0p:±2.5dB
    -75 ~ -70dBm0p:±1.5dB
    -70 ~  +5dBm0p:±1dB
    Crosstalk
    Disturbing signal
    1020Hz/0dBm0
    Measurement range
    -90dBm0~+5dBm0
    Error range
    ±1 dB
    Quantizing distortion
    Ref. frequency
    820Hz
    Level range
    +5dBm0~-60dBm0
    Measurement ran
    China Tel & Network TW-2B PCM Channel Analyzer factory
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