The DSP Receiver KWZ 50

Preliminary Technical Specifications

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Frequency range 0 to 52 MHz
Tuning Resolution 1 Hz, tuning and display,
tuning resolution selectable
Frequency accuracy and
Temperature stability
± 20 Hz, from 5° to 35° Celsius
Reference Frequency 10 MHz, external input possible
Input Impedance 50 Ohms
Sensitivity 0,5 μV for 10 dB S/N at 2,3 kHz bandwidth
Input Circuit a. Low-Pass Filter 60 MHz
b. High-Pass Filter 2 MHz, 10 MHz, 20 MHz
c. HF-Amplifier 15 dB
d. Attenuator 20 dB
Intercept Point 3. Order +30 dBm at 20 kHz ratio
Intercept Point 2. Order +60 dBm typical
Modes AM, USB, LSB, FM, CW, DRM: IF Output 12 kHz
Demodulation digital, for AM without selective fading
Filter Bandwidths 50 Bandwidths, 100 Hz to 9 kHz
Shape Factor and Passband Ripple S = 1,15 for 6/60 dB, R = 0,2 dB
Adjacent Channel Attenuation 80 dB
Passband Tuning ± 2,8 kHz
BFO ± 2,8 kHz, tuneable
AGC Range >100 dB
AGC Time Constants Attack Time = 20 ms
Attack, Hold and Decay Times adjustable
DRM (Digital Radio Mondiale) IF Output 12 kHz
Functions Automatic Notch Filter,
Noise Reduction, adjustable,
Squelch for FM and AM/SSB, threshold adjustable
Inputs Antenna,
Mute,
Power Supply 12 V=,
Power Supply 115/230 V 50/60 Hz
Outputs External Speaker,
Headphone (Frontpanel),
Audio-Level Output,
USB-Interface for PC-Connection
Loudspeaker 8 Watts, mounted on the frontpanel,
Audio amplifier 2 Watts
Display backlighted Color-LCD (QVGA)
Display Spectrum Analyzer optional
Station Memory 1000 programmable Stations
Control Elements 1 Power Switch,
1 Main Tuning Knob,
1 Knob for audio volume,
2 Knobs (user programmable),
Keyboard with 16 Keys,
8 programmable Function Keys
Power Supply Internal Power Supply 115/230 VAC,
12 V=
Dimensions mountable in a 19"-Rack, 3 RU (rack unit)
Weight 5 kg


Disclaimer: The specifications may change without prior notice.

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