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Promax EC-696 模拟通信培训系统

  • 制造商: Promax
    Model: EC-696
    保障: 12 month
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    热线:   (+84) 966520220

    电话:  +84 (24) 62923267


      

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EMITTER MODULE EC-696/E

Signal inputs: CO1 and CO2 Input from a generator

Maximum level: ± 3 V

Bandwidth: DC to 20 kHz

Input impedance: ≥ 20 kΩ (1 kHz)

MIC1 and MIC2: Microphone inputs

Sensitivity: 6 mVpp, adjustable

Input impedance: ≥ 20 kΩ (1 kHz)

Modulators

AM Modulator: Voltage-controlled gain amplifier

Carrier frequency: 100 kHz

Modulation index: 0 to 100%

Bandwidth: DC to 20 kHz

FM Modulator: Voltage-controlled oscillator

Carrier frequency: 100 kHz

Frequency deviation: ± 50 kHz

Bandwidth: DC to 20 kHz

Pulse Modulator (PWM)

Carrier frequency: 100 kHz

Duty cycle: 40 to 70%

Bandwidth: DC to 20 kHz

FDM/FM Modulator: Voltage-controlled oscillator

Carrier frequency: 300 kHz or 100 kHz, selectable

Channel bandwidth: DC to 20 kHz

Emitters

Bifilar cable transmitter: Output through operational amplifier

Maximum level: ± 3 V

Coaxial cable transmitter: Output through operational amplifier

Maximum level: ± 3 V

Fibre optic transmitter

Emission: By LED Photodetector

Emitting band: 650 nm (red colour)

Infrared ray transmitter

Emission: By LED Photodetector

Emitting band: 950 nm

27 MHz Emitter

Output level: 0 dBm

Modulation index: 50 %

Antenna: 1.5 m cable Monopole


RECEIVER MODULE EC-696/R

Receivers

Bifilar cable receiver: Direct, without processing

Coaxial cable receiver: Direct, without processing

Fibre optics receiver

Type (PIN): type Photodiode

Receiving band: 400 to 1100 nm (90% efficiency)

Infrared receiver

Type PIN type photodiode

Receiving band: 800 to 1000 nm (50% efficiency)

Radio receiver

Peak detector

Receiving band: 27 MHz

Antenna: 1.5 m Cable

Demodulator specifications

AM Demodulator: Fast detector

Bandwidth: 

- DC to 20 kHz (bifilar and coaxial)

- 300 Hz to 20 kHz (fibre, infrared and radio)

FM Demodulator: DPLL type

Carrier frequency: 100 kHz

Bandwidth: DC to 20 kHz (bifilar and coaxial)

Pulse demodulator (PWM): Integrator type

Carrier frequency: 100 kHz

Bandwidth: 

- DC to 20 kHz (bifilar and coaxial)

- 300 Hz to 20 kHz (fibre, infrared and radio)

FDM/FM Demodulator: DPLL type

Carrier frequency: 300 or 100 kHz selectable

Multiplex bandwidth: 

- DC to 20 kHz (bifilar and coaxial)

- 300 Hz to 20 kHz (fibre, infrared and radio)

Output specifications

Earphone output

Output stage: AB Class

Volume control: Independent for left and right channels

Output power: 200 mW over 32Ω (3 Vpp in C)

Oscilloscope: S1 and S2 outputs

Output level: ≥ 400 m Vpp (3 Vpp in A)

Chi tiết

Datasheet



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