Promax EC-696 아날로그 통신 교육 시스템
생산업체: Promax Model: EC-696 보증: 12 Month - 견적요구
- 연락처
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)
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