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Test instrument
1441A/B Signal Generator
With frequency range low to 9 kHz, 1441 Series Signal Generator are economical signal generators designed with portable case structure and featured by small size and convenient operation. 1441 series have power output in wide dynamic range, and standard internal modulation signal generator, are capable of amplitude modulation (AM), frequency modulation (FM) and pulse modulation (Pulse). List sweep and Step sweep make test application more flexible. They deploy Chinese and English operation interface, and large LED TFT LCD.
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PRODUCT OVERVIEW


With frequency range low to 9 kHz, 1441 Series Signal Generator are economical signal generators designed with portable case structure and featured by small size and convenient operation. 1441 series have power output in wide dynamic range, and standard internal modulation signal generator, are capable of amplitude modulation (AM), frequency modulation (FM) and pulse modulation (Pulse). List sweep and Step sweep make test application more flexible. They deploy Chinese and English operation interface, and large LED TFT LCD.

1441 series can be used for performance test and failure point location of the receiver in the radar, electronic warfare and communication equipment for convenient test, as well as used as a local oscillator to substitute those in the equipment under test, such as transmitter and receiver, etc.. In the civilian market, the series can be applied to the R&D and manufacture of consumer electronic products. The economical RF signal generators are very suitable for teaching and experiment in universities. Portable design of the case makes it very suitable for outdoor operations.


FUNCTIONS & FEATURES



  • Portable design of cabinet, lightweight, easy to carry

  • Frequency range of 9kHz~3GHz/6GHz

  • High power output in -127dBm~+10dBm,large dynamic range

  • Standard internal modulation signal generator and comprehensive AM, FM and pulse modulation functions

  • Step sweep and List sweep

  • Support wide range of AC power input

  • With GPIB and LAN interfaces to enable operation under program control


Portable Design of Cabinet, Lightweight, Easy to Carry

1441 Series Signal Generator employ portable design for the case; the size is greatly reduced compared to the ordinary desktop case. The integrated design reduces the weight, which will reduce the burden of outdoor detection and maintenance.

Frequency Range of 9kHz~3GHz/6GHz

The frequency range of 1441 series is 9kHz~3GHz/6GHz, the lowest frequency of 9kHz can meet your demand for low frequency band.

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-127dBm ~+10 dBm Large Dynamic Range of Power Output

The series are provided with a built-in programmable step attenuator, could output -127dBm signal of min.power level with max output power >+10dBm.

1441B 10kHz¡«6GHz Max ALC Output Power

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Tested Value of Maximum Output Power

1441B 10kHz¡«6GHz, output power of 0dBm

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Tested Value under 0dBm Output Power

Internal Modulation Signal Generator and Comprehensive AM, FM and Pulse Modulation Functions

1441 series are configured with internal modulation signal generators, which adopt direct digital weform synthesis technique to generate high-quality modulated signal with 20Hz-100kHz frequency range and 1Hz resolution and can provide complete analog signals capability, the standard internal pulse generator can meet your test requirements for high-performance pulse source.

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Abundant Interfaces

1441 series provide RS232, GPIB and LAN interfaces for program control operation and network upgrading function.


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TYPICAL APPLICATIONS

Local Oscillator (LO) Substitution

With wide output frequency range, 1441 series can be used as local oscillator to substitute those in the equipment under test, such as transmitter and receiver, etc., and indirectly test performance and index of LO signal.

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Receiver Performance Test

With more than 130dB output dynamic range and 0.01Hz frequency resolution, 1441 series can output amplitude modulation signal, frequency modulation signal and pulse modulation signal which are used for performance test and failure point location of the receiver in the radar, electronic warfare and communication equipment for convenient test.

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Technical Specifications

Frequency Range

1441A£º

9kHz¡«3GHz

1441B£º

9kHz¡«6GHz

Frequency

N(Internal YO Fundamental   We Frequency Division Times)

9kHz ¡Ü f ¡Ü   250MHz

4

250MHz £¼ f ¡Ü 400MHz

16

400MHz £¼ f ¡Ü 800MHz

8

800 MHz £¼ f ¡Ü 1.6GHz

4

1.6GHz £¼ f ¡Ü 3.2GHz

2

3.2GHz £¼ f ¡Ü 6GHz

1

Frequency

Resolution

0.01Hz

Time-base

Aging   Rate(Typical)

£¼1¡Á10-9/day,   5¡Á10-7/year £¨after 30 days of   continuous power ON£©

Sweep Mode

Sweep Way

Step sweep List sweep

Sweep Range

1441A£º9kHz¡«3GHz

1441B£º9kHz¡«6GHz

Sweep Points

2¡«1601

Dwell Time

10ms¡«60s

Harmonic

Output Power Less than +5dBm

£¼-30dBc

Non-Harmonic

Output Power   Less than +5dBm,

30kHz Offset   from Carrier

£¼-60dBc

SSB Phase Noise

Freq.          Offset

20kHz

1441A

500MHz

£¼-118dBc/Hz

1GHz

£¼-112dBc/Hz

3GHz

£¼-104dBc/Hz

1441B

500MHz

£¼-118dBc/Hz

1GHz

£¼-112dBc/Hz

3GHz

£¼-104dBc/Hz

6GHz

£¼-98dBc/Hz

Max. ALC Output

Power (25¡À10¡æ)

£¾+10dBm

Power Accuracy

¡À1.5dB£¨-50dBm¡ÜOutput Power¡Ü+10dBm£©

¡À2.0dB£¨-110dBm¡ÜOutput Power£¼-50dBm£©

¡À3.0dB£¨-120dBm¡ÜOutput Power£¼-110dBm£©

Modulation Performance

Pulse   modulation

Pulse Modulation   On/Off

Ratio

9kHz¡Üf¡Ü3GHz£º£¾80dB

3GHz£¼f¡Ü6GHz£º£¾60dB

Pulse Modulation Rise/Fall

Time

£¼25ns,

Output Frequency£¾250MHz

£¼80ns,

Output Frequency¡Ü250MHz

Min. Pulse Width

ALC Loop On£º£¼2¦Ìs

AM

Modulation Mode: Linear

Max. Modulation Depth: 90£¥

Modulation Rate £¨3 dB Bandwidth,   30% Modulation Depth£©:20Hz¡«80kHz

Accuracy£¨1kHz Modulation   Rate, Demodulation Bandwidth 300Hz¡«3kHz£©:¡À10%

FM

Max. Frequency   Deviation:>1.6MHz¡ÂN

Modulation Rate£¨3dB   Bandwidth£©:20Hz¡«100kHz

Accuracy£¨1kHz   Modulation Rate,

2kHz< Frequency   Deviation¡Ü1.6MHz¡ÂN,

Demodulation Bandwidth 300Hz¡«3kHz£©£º¡À10%

RF Output Port

Type   N port

Display

7 inch LED

Operation   Interface

Simplified Chinese/English

Size

(W¡ÁH¡ÁD)

320mm¡Á150mm ¡Á390mm

Max. Weight

9kg

Operating Temperature

0¡æ¡«+50¡æ

Power Input

85VAC¡«264VAC£¬47¡«63Hz

Power   Consumption

<90W



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