4945B/C Radio Communications Test Set

Серия 4945
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Серия 4945
Серия 4945

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Тестеры радиосвязи Серия 4945 Подробнее




Китайская компания Ceyear Technologies Co., Ltd была основана в мае 2015 года. Штаб-квартира находится в г. Циндао, провинция Шаньдун.

Компания Ceyear является крупнейшим производителем контрольно-измерительного оборудования в Китае. Продукция Ceyear широко известна и хорошо зарекомендовала себя по всему миру.

Ceyear осуществляет свою деятельность на базе многочисленных национальных исследовательских организаций, что гарантирует расширение возможностей для научно-исследовательских и опытно-конструкторских разработок, производства, испытании и… подробнее





Обзор
Свернуть Развернуть
Основные возможности и технические характеристики

4945B/C Radio Communications Test Set, which is a multifunctional and portable model based on software radio architecture, integrates plentiful functions, like frequency-hopping signal generation and analysis, vector signal generation and demodulation analysis, analog modulation signal generation and demodulation analysis, audio signal generation and analysis, audio oscilloscope, automatic testing and so on. The test set is capable of major performance testes on transmitting and receiving of radio communication equipment, measurement and analysis on feature parameters of RF, modulation, audio, and digit etc.. Wide applications of the test set cover R&D, production, verification, maintenance and repair, and tests on radio communication equipment, including short-wave/ultra short-wave radio stations, data link systems, communication and surveillance satellites, radio relay equipment. Military mobile carriers with radio communication terminals like communication vehicles, surveillance vehicles, vessels and ships, as well as external field tests can use this test set conveniently. 

FUNCTIONS & FEATURES

  • Analog standard communication test: AM, FM, SSB signal generation and demodulation analysis. Equipped with graphic display of demodulation audio,SINAD, SNR, distortion degree, modulation rate and other measurement functions and a built-in speaker which outputs demodulation voice in real-time. Modulation signal generator and modulation source support external audio and microphone;

  • Digital standard communication test (option): 10MHz bandwidth digital vector signal generation and analysis, bit error rate measurement, with real-time output interface of digital demodulation;

  • Frequency-hopping test (option): 60MHz transient bandwidth frequency-hopping signal generation and analysis. Frequency-hopping analysis supports measurements types like waterfall chart and frequency-time. Single capture lasts 1.3s at the bandwidth of 60MHz and the time resolution is 10ns;

  • Audio signal testing: audio signal generation and analysis, the max. audio input level reaches 30Vrms (high impedance), the max. audio output level reaches 7Vrms (high impedance); capable of measurements on frequency, level, SINAD, SNR and distortion degree; audio generation supports dual-tone output; individual adjustment is available for dual-tone frequency and amplitude, phase is adjustable relatively;

  • Dual-channel oscilloscope (option): DC~4MHz;

  • Auto test software: on-line editing of DUT (device under testing) parameters, auto pilot testing, yield of test reports and other functions. The PTT control interface regulates transmitting and receiving of DUT;

  • Built-in attenuator with high power: the max. input power is as high as150W;

  • Portable structure: external size (without handles): 426 (W)×222 (H)×180 (D)mm, easy for carry-on and application;

  • Diversified power supply modes: the standard configuration supports AC220V or DC24V, built-in lithium-ion battery is available;

  • Support network interface programming control;

  • 10.4 inch large screen, resistor touch screen, English/Simplified Chinese interface, interface colors are free for your choice;

  • Support simultaneous operations on multi-function windows, up to 4 windows can be operated at the same time.

Auto testing functions of radio communication equipment

Can create and edit models, parameters and qualified specification limits of DUT. Choose your DUT and connect test cable, the comprehensive test set will automatically conduct the test. It controls transmitting and receiving of the DUT by PTT. When the DUT needs setup or the cable needs being changed, the test set will automatically halt the test and indicate further operation. The test goes on after the operation is finished. Qualified and unqualified items will be listed directly. Other functions, like storage, viewing, comparison and remote readout, are also available.

Transmitter test

It can conduct simultaneous tests on various performance specifications of transmitters, like signal power, frequency error, signal modulation characteristics, audio demodulation, and so on. Audio signals of transmitters can be provided and single/double tones are available for your choice. It can simulate pilot signals.

Receiver test

It’s able to send out FM, AM and SSB RF signals; analyze audio demodulation of the receiver; measure accurately audio frequency, voltage, distortion degree, SINAD and SNR.

Function as a RF signal generator

Analog modulation of FM, AM, SSB etc., and digital modulation of BPSK, QPSK, 8PSK, GMSK, 16QAM and so on can all be output. The max. symbol rate of digital modulation is 5MHz. The test set upholds generation of 60MHz transient bandwidth frequency-hopping signals.

RF receiving and demodulation

The test set is capable of demodulation and analysis of analog modulation like FM, AM, SSB etc., and that of digital modulation signals including BPSK, QPSK, 8PSK, GMSK and 16QAM. Demodulated parameters and waveforms can be output. The max. demodulated bandwidth of analog modulation signals reaches 300kHz and the max. symbol rate of digital modulation and signal demodulation is 5MHz. Narrow band power measurement is available.

Sweep spectrum analysis

It enjoys wide frequency band, high resolution, high sensitivity, big dynamic range and other characteristics.

Frequency-hopping signal analysis

The max. transient analysis bandwidth of frequency-hopping signals is 60MHz. The display types are three-dimensional spectrum graph, time-frequency graph and time-amplitude graph. The test set can capture, store and analyze frequency-hopping signals. You can view spectrum and modulation domain graphs at any time. When modulation domain measurement is in progress, it is capable of accumulation and display of frequency points within any time frames. Frequency-hopping points can be observed directly. Pulse signals and transient signals can also be measured.

Audio signal generation

Single and double tones are available for your choice. The max. output level reaches 7Vrms.

Audio signal analysis

Audio filter is optional. The max. input level is up to 30Vrms. The test set supports measurements on frequency, level, distortion degree, SINAD and SNR, as well as audio waveform display.

Simultaneous operation on multiple windows

Support simultaneous operation of 4 windows at most, each window can be enlarged individually.

TYPICAL APPLICATIONS

4945B/C Radio Communications Test Set is extensively employed due to the powerful functions and performances, which is used for R&D, repair, maintenance and test of communication equipment.

Свернуть Развернуть
Основные возможности и технические характеристики

4945B/C Radio Communications Test Set, which is a multifunctional and portable model based on software radio architecture, integrates plentiful functions, like frequency-hopping signal generation and analysis, vector signal generation and demodulation analysis, analog modulation signal generation and demodulation analysis, audio signal generation and analysis, audio oscilloscope, automatic testing and so on. The test set is capable of major performance testes on transmitting and receiving of radio communication equipment, measurement and analysis on feature parameters of RF, modulation, audio, and digit etc.. Wide applications of the test set cover R&D, production, verification, maintenance and repair, and tests on radio communication equipment, including short-wave/ultra short-wave radio stations, data link systems, communication and surveillance satellites, radio relay equipment. Military mobile carriers with radio communication terminals like communication vehicles, surveillance vehicles, vessels and ships, as well as external field tests can use this test set conveniently. 

FUNCTIONS & FEATURES

  • Analog standard communication test: AM, FM, SSB signal generation and demodulation analysis. Equipped with graphic display of demodulation audio,SINAD, SNR, distortion degree, modulation rate and other measurement functions and a built-in speaker which outputs demodulation voice in real-time. Modulation signal generator and modulation source support external audio and microphone;

  • Digital standard communication test (option): 10MHz bandwidth digital vector signal generation and analysis, bit error rate measurement, with real-time output interface of digital demodulation;

  • Frequency-hopping test (option): 60MHz transient bandwidth frequency-hopping signal generation and analysis. Frequency-hopping analysis supports measurements types like waterfall chart and frequency-time. Single capture lasts 1.3s at the bandwidth of 60MHz and the time resolution is 10ns;

  • Audio signal testing: audio signal generation and analysis, the max. audio input level reaches 30Vrms (high impedance), the max. audio output level reaches 7Vrms (high impedance); capable of measurements on frequency, level, SINAD, SNR and distortion degree; audio generation supports dual-tone output; individual adjustment is available for dual-tone frequency and amplitude, phase is adjustable relatively;

  • Dual-channel oscilloscope (option): DC~4MHz;

  • Auto test software: on-line editing of DUT (device under testing) parameters, auto pilot testing, yield of test reports and other functions. The PTT control interface regulates transmitting and receiving of DUT;

  • Built-in attenuator with high power: the max. input power is as high as150W;

  • Portable structure: external size (without handles): 426 (W)×222 (H)×180 (D)mm, easy for carry-on and application;

  • Diversified power supply modes: the standard configuration supports AC220V or DC24V, built-in lithium-ion battery is available;

  • Support network interface programming control;

  • 10.4 inch large screen, resistor touch screen, English/Simplified Chinese interface, interface colors are free for your choice;

  • Support simultaneous operations on multi-function windows, up to 4 windows can be operated at the same time.

Auto testing functions of radio communication equipment

Can create and edit models, parameters and qualified specification limits of DUT. Choose your DUT and connect test cable, the comprehensive test set will automatically conduct the test. It controls transmitting and receiving of the DUT by PTT. When the DUT needs setup or the cable needs being changed, the test set will automatically halt the test and indicate further operation. The test goes on after the operation is finished. Qualified and unqualified items will be listed directly. Other functions, like storage, viewing, comparison and remote readout, are also available.

Transmitter test

It can conduct simultaneous tests on various performance specifications of transmitters, like signal power, frequency error, signal modulation characteristics, audio demodulation, and so on. Audio signals of transmitters can be provided and single/double tones are available for your choice. It can simulate pilot signals.

Receiver test

It’s able to send out FM, AM and SSB RF signals; analyze audio demodulation of the receiver; measure accurately audio frequency, voltage, distortion degree, SINAD and SNR.

Function as a RF signal generator

Analog modulation of FM, AM, SSB etc., and digital modulation of BPSK, QPSK, 8PSK, GMSK, 16QAM and so on can all be output. The max. symbol rate of digital modulation is 5MHz. The test set upholds generation of 60MHz transient bandwidth frequency-hopping signals.

RF receiving and demodulation

The test set is capable of demodulation and analysis of analog modulation like FM, AM, SSB etc., and that of digital modulation signals including BPSK, QPSK, 8PSK, GMSK and 16QAM. Demodulated parameters and waveforms can be output. The max. demodulated bandwidth of analog modulation signals reaches 300kHz and the max. symbol rate of digital modulation and signal demodulation is 5MHz. Narrow band power measurement is available.

Sweep spectrum analysis

It enjoys wide frequency band, high resolution, high sensitivity, big dynamic range and other characteristics.

Frequency-hopping signal analysis

The max. transient analysis bandwidth of frequency-hopping signals is 60MHz. The display types are three-dimensional spectrum graph, time-frequency graph and time-amplitude graph. The test set can capture, store and analyze frequency-hopping signals. You can view spectrum and modulation domain graphs at any time. When modulation domain measurement is in progress, it is capable of accumulation and display of frequency points within any time frames. Frequency-hopping points can be observed directly. Pulse signals and transient signals can also be measured.

Audio signal generation

Single and double tones are available for your choice. The max. output level reaches 7Vrms.

Audio signal analysis

Audio filter is optional. The max. input level is up to 30Vrms. The test set supports measurements on frequency, level, distortion degree, SINAD and SNR, as well as audio waveform display.

Simultaneous operation on multiple windows

Support simultaneous operation of 4 windows at most, each window can be enlarged individually.

TYPICAL APPLICATIONS

4945B/C Radio Communications Test Set is extensively employed due to the powerful functions and performances, which is used for R&D, repair, maintenance and test of communication equipment.

  • 1. User Manual(including Programming Manual) | 1 copy
  • 2. Tri-prong 220VAC power cord | 1 pc
  • 3. N-BNC adapter | 1 pc
  • 4. N-SMA adapter | 1 pc
  • 5. TNC-SMA adapter | 1 pc
  • 1. User Manual(including Programming Manual) | 1 copy
  • 2. Tri-prong 220VAC power cord | 1 pc
  • 3. N-BNC adapter | 1 pc
  • 4. N-SMA adapter | 1 pc
  • 5. TNC-SMA adapter | 1 pc
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Характеристики
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Description

Specifications

RF Single

Generation

(Receiver   Test)

Frequency Range

1MHz~1.05GHz (4945B,up to 100kHz),

1MHz~3GHz (4945C,up to 100kHz)

Frequency

Resolution

1Hz

Output Level Range

GEN: -120dBm~+5dBm (max. modulation 0dBm)   T/R interface : -130dBm~-35dBm

Level Resolution

0.1dB

Level Accuracy

±1.5dB (≥-110dBm),±2.0dB(<-110dBm)

SSB Phase Noise

-93dBc/Hz@20kHz   (≤1.05GHz), -90dBc/Hz@20kHz(>1.05GHz)

Harmonic

Better than -25dBc   (>1MHz,≤0dBm)

Non-Harmonic

Better than -35dBc   (>1MHz,+5dBm output)

Internal Analog

Modulation Source

Sine, Square Wave, Triangle, Saw-Tooth, Dual-Tone   (analog pilot)

Internal FM

Range FM: +5dBm to -110dBm

Max.   Frequency Offset: 150kHz

Precision: ±5%(frequency deviation 5kHz~150kHz)   Modulation Rate: 20Hz~20kHz

Internal AM

Range AM: 0dBm  to -110dBm

Modulation Range: 0~100%

Precision: ±5%(relative value, depth 10%~90%) Modulation Rate: 20Hz~20kHz

Internal SSB

Modulation Options: USB, LSB Modulation Rate: 300Hz~5kHz

External

FM/AM/SSB

Modulation Rate: 20Hz~15kHz   (FM, AM), 300Hz~3kHz (SSB)

RF   Receiver

(Transmitter   Test)

Frequency Range

300kHz~1.05GHz (4945B,up to 100kHz),

300kHz~3GHz (4945C,up to 100kHz)

Power Range

0.1mW~100mW (ANT interface), 100mW~150W(T/R interface,

>40W, continuous   input for a   single time should not be   longer than 1 min, interval between two consecutive   input should   not be shorter   than 2 min.)

FM

Narrowband Sensitivity: 2.0   μV for 10 dB EIA SINAD

Broadband Sensitivity: 10 μV   for 10 dB EIA SINAD

Max.   Frequency Offset: 150kHz

Precision: ±5%(frequency deviation 5kHz~150kHz)  

Modulation Rate: 20Hz~20kHz

AM

Sensitivity: 10 μV for 10 dB   EIA SINAD

Modulation Range: 0~100%

Precision: ±5%(relative value, depth 10%~90%)

Modulation Rate: 20Hz~20kHz

SSB

Modulation Rate:300Hz~5kHz

Audio Filter

Lowpass:300Hz, 5KHz, 15Khz,   20kHz

Bandpass: 0.3-3.4kHz,   0.3-5kHz, 0.3-15kHz, 0.3-20kHz

Description

Specifications


Vector Signal

Generation (option)

Modulation Type: 2ASK, 2FSK, GMSK, BPSK, QPSK, 8PSK,

16QAM

Max.   Modulation Bandwidth: 10MHz

Max.   Symbol Rate: 5MHz

Digit Source: PRBS, whole 0, whole 1, 0 and 1 alternation, external   digital filter: RC, RRC, GAUSS

EVM: ≤2%rms (symbol rate≤1MHz), ≤3%rms (symbol rate>

1MHz)

Frequency-Hopping   Signal Generation (option)

Max.   Frequency-Hopping Transient Bandwidth: 60MHz

Max. Non-Repetitive Hopping Graphic   Length: 4000

Frequency Agility Time:    <10μs

Max. Hopping Rate: 100,000 times/sec

Hopping Type: internal step repetition, external frequency control

Broadband   Power

Measurement

Frequency Range

300kHz~1.05GHz (4945B), 300kHz~3GHz (4945C)

Measurement Range

0.1mW~100mW (ANT interface), 100mW~150W(T/R interface,

>40W, continuous   input for a   single time should not be   longer than 1 min, interval between two consecutive   input should   not be shorter than 2 min.)

Measurement

Accuracy

15% (≤120W,   CW or frequency modulation)

Narrow Band Power

Measurement

Frequency Range

300kHz~1.05GHz (4945B, low frequency depends on small IF

bandwidth)

300kHz~3GHz (4945C, low frequency depends on small IF

bandwidth)

Measurement Range

+51dBm~-40dBm(T/R interface, low frequency depends on small

IF bandwidth)

+10dBm~-80dBm (ANT interface, low frequency depends on   small IF bandwidth)

Measurement

Accuracy

±2dB

Receiving

Bandwidth

6.25, 8.33, 10, 12.5, 25, 30, 100, 300kHz

Frequency Error

Meter

Frequency Range

300kHz~1.05GHz (4945B, low frequency depends on small IF

bandwidth)

300kHz~3GHz (4945C, low frequency depends on small IF

bandwidth)

Accuracy

Frequency Standard±1Hz

Audio Signal

Generation

Waveform

Sine, Square Wave, Triangle, Saw-Tooth

Signal Type

Single-Tone, Dual-Tone

Frequency

20Hz~20kHz (Sine),20Hz~4kHz   (Square Wave, Triangle,

Saw-Tooth)

Frequency

Resolution

0.1Hz

Level Range

1mV~7Vrms   (10k Ω load)

Level Accuracy

±5% (10k Ω load≥10mVrms)

Audio Signal

Analysis

Input Impedance

150Ω, 600Ω, high impedance

Max. Input Level

30Vrms (high impedance)

Audio Filter

Low-Pass:   300Hz, 5kHz, 15kHz, 20kHz

Band-Pass: 0.3~3.4kHz, 0.3~5kHz, 0.3~15kHz, 0.3~20kHz

Frequency Meter

Frequency Range: 20Hz~20kHz

Input Level:   20mV~30Vrms

Resolution: 0.1Hz

Precision: 1Hz

Level   Meter

Frequency Range: 20Hz~20kHz

Input Level: 1mV~30Vrms

Unit: V, dBV, dBm

Precision: ±5(High impedance, ≥10mVrms)

SINAD Meter

Frequency Range: 300Hz to   10kHz

Measurement Range: 3~60dB

Precision: ±1.0dB@12dB (SINAD>3dB,≤40dB,5kHz low-pass)   Frequency Range: 300Hz~5kHz

Input Level:   0.1~30Vrms

Distortion Meter

Measurement Range: 0~90%

Precision: <±0.5% (distortion   degree<10%),<±1.0%   Frequency Range: 300Hz~5kHz

Input Level:   0.1~30Vrms

SNR Meter

Measurement Range: 3~60dB

Precision: ±1.0dB (SNR>20dB,≤40dB) Frequency Range: 300Hz~10kHz

Input Level:   0.1~30Vrms

Sweep Spectrum

Analyzer

(Receive   Signal

Strength   Level)

Frequency Range

100kHz~1.05GHz (4945B), 100kHz~3GHz (4945C)

Sweep Width

0Hz~whole frequency bands

Level Accuracy

±1.5dB

Min. Displayed

Average Noise Level

Better than-125dBm (ANT interface), -75dBm (T/R interface)

Description

Specifications


Resolution

Bandwidth

30Hz~3MHz (1-3 steps)

Demodulation and   Analysis of Analog   Modulation Signals

Frequency Range

300kHz~1.05GHz (4945B, low frequency depends   on small IF

bandwidth)

300kHz~3GHz (4945C, low frequency depends on small IF

bandwidth)

Signal Format

FM, AM, SSB

Demodulation

Bandwidth

6.25, 8.33, 10, 12.5, 25, 30, 100, 300kHz

Demodulation Audio

Filter

Low-Pass:   300Hz, 5kHz, 15kHz, 20kHz,

Band-Pass: 0.3~3.4kHz, 0.3~5kHz, 0.3~15kHz, 0.3~20kHz

Frequency Range   of

Demodulation

Counter

20Hz~20kHz

Demodulation

Counter Resolution

0.1Hz

FM

Frequency Offset Range: 0~150kHz

Accuracy: ±5% (frequency offset range5~150kHz, modulation rate

1kHz)

Modulation Rate: 20Hz~20kHz

AM

AM Depth Range: 0~100%

Accuracy: ±5% (relative   value,modulation range 30%~90%,

modulation rate 1kHz)

Sensitivity: Yes, 10 μV for 10 dB EIA SINAD

Modulation Rate: 20Hz~20kHz


Sensitivity

≤-100dBm (10dB SINAD,ANT interface)

Demodulation   and Analysis of Vector Signals (option)

Frequency Range

300kHz~1.05GHz (4945B, low frequency depends   on small IF

bandwidth),

300kHz~3GHz (4945C, low frequency depends on small IF

bandwidth)

Signal Format

GMSK, BPSK, QPSK, 8PSK, 16QAM

Demodulation

Bandwidth

10kHz~10MHz

Max.   Symbol Rate

5MHz


Filter

RC, RRC, GAUSS

Frequency-Hopping

Transient Bandwidth

60MHz, 30MHz, 15MHz, 7.5MHz, 3.75MHz, 1.875MHz


Description

Specifications

Signal

Analysis(option)

Capture   Storage

Depth

8Gb

Analysis Domain

Time-frequency (modulation domain), Time-Amplitude,

Time-Spectrum (waterfall chart), Spectrum at random time

Min. Time

Resolution

10ns

Dual-Channel

Oscilloscope

Frequency Range

DC~4MHz

Vertical Scale

10mV~10V/mark (1, 2, 5 steps)

Horizontal Scale

1us~1s/mark (1, 2, 5 steps)

Coupling Type

DC, AC

Input Impedance

1MΩ

Digital Sequence Generation and Bit Error Rate   Measurement

(option)

Digit Format

PN3, PN5, PN9, PN11

Baud Rate

300bps~1Mbps   (BPSK, GMSK, 2FSK, 2ASK)

Bit Error Rate

Measurement Range

0.1~0.000001

Internal Time-Base

Frequency:   10MHz; Aging Rate: 1×10-7/year; Temperature   Stability: ±0.05ppm (0~

50℃)

Operating

Temperature

0℃~+50℃

Storage temperature

-40℃~+70℃

Size

External size   (without handles   and auxiliaries): W×H×D=426×222×180mm

Weight

Not more than 12kg

Power

Internal AC: 220V±10%, Frequency 50Hz±5%; External DC: 24V±2V (16V is acceptable);

Built-in rechargeable battery: ≥11000mAh (option)

Max Power: 150W

Consumption

<100W

Cooling Type

Internal air cooling

Interface

RF: GEN interface (TNC), T/R interface(type   N), ANT interface(TNC)   BNC: audio input, audio output, oscilloscope   input etc

Others: network port (support remote control), 26-core test bus interface, USB-host

interface   etc..






Модели и опции
Товар
Модели и Опции
Описание
Цена Заказать
Модели
4945B
Radio Comprehensive Test Set (300kHz~1.05GHz)
По запросу
- шт +
4945C
Radio Comprehensive Test Set (300kHz~3GHz)
По запросу
- шт +
hardware options
AV4945-H01
Built-In Lithium-Ion Battery (Capacity 11000mAh)
По запросу
- шт +
Software options
4945-S01
Software for vector signal generation and bit error rate measurement (See details in “Technical specifications”)
По запросу
- шт +
4945-S02
Software for vector signal demodulation and analysis (See details in “Technical specifications”)
По запросу
- шт +
4945-S03
Software for frequency-hopping signal generation (See details in “Technical specifications”)
По запросу
- шт +
4945-S04
Software for frequency-hopping signal analysis (See details in “Technical specifications”)
По запросу
- шт +
4945-S05
Software for dual-channel oscilloscope (See details in “Technical specifications”)
По запросу
- шт +
Standard Package
2
Tri-prong 220VAC power cord (1 pc)
По запросу
- шт +
3
N-BNC adapter (1 pc)
По запросу
- шт +
4
N-SMA adapter (1 pc)
По запросу
- шт +
5
TNC-SMA adapter (1 pc)
По запросу
- шт +
1
User Manual(including Programming Manual) (1 copy)
По запросу
- шт +
Библиотека

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