4945B Radio Communication Test Set (300kHz~1.05GHz)

4945B Radio Communication Test Set (300kHz~1.05GHz)

$17,879.00

4945B/C Radio Communications Test Set, which is a multi functional and portable model based on software radio architecture,

 

4945 Series Radio Communication Test Set

SKU: 4945B Category:
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Description

4945B Radio Communication Test Set (300kHz~1.05GHz)

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.

Main Characteristics

  • Multiple RF testing functions: sweep spectrum analysis, broadband and narrow band power measurement, frequency error measurement, RF signal source;
  • 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;
  • 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.

 

Additional information

Weight 12 kg
Dimensions 42.6 × 22.2 × 18.0 cm
Description Specifications
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Single Generation

 

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

Max. Frequency Offset: 150kHz

Accuracy: ±5%(frequency offset 5kHz~150kHz) Modulation Rate: 20Hz~20kHz

 

 

Internal AM

Modulation Range: 0~100%

Accuracy: ±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)

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 400kHz~1.05GHz (4945B), 400kHz~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
Description Specifications
 

 

 

 

 

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

Measurement Range: 3~60dB

Precision: ±1.0dB (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~5kHz

Input Level: 0.1~30Vrms

 

 

 

Sweep Spectrum Analyzer

Frequency Range 100kHz~1.05GHz (4945B), 100kHz~3GHz (4945C)
Sweep Width 0Hz~whole frequency bands
Level Precision ±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

Precision: ±5% (frequency offset range5~150kHz, modulation rate 1kHz)

Modulation Rate: 20Hz~20kHz

 

 

AM

AM Depth Range: 0~100%

Precision: ±5% (relative value,modulation range 30%~90%, modulation rate 1kHz)

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)

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..

 

Main Unit: 4945B Radio Comprehensive Test Set (300kHz~1.05GHz)

4945C Radio Comprehensive Test Set (300kHz~3GHz)

Standard Package

No. Description Remarks
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

Options

Serial No. Description Remarks
4945-H01 Built-In Lithium-Ion Battery Capacity 11000mAh
 

4945-S01

Software for vector signal generation and bit error rate

measurement

See details in “Technical

specifications”

 

4945-S02

 

Software for vector signal demodulation and analysis

See details in “Technical

specifications”

 

4945-S03

 

Software for frequency-hopping signal generation

See details in “Technical

specifications”

 

4945-S04

 

Software for frequency-hopping signal analysis

See details in “Technical

specifications”

 

4945-S05

 

Software for dual-channel oscilloscope

See details in “Technical

specifications”

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