SPECIFICATIONS
PL-505
Functional Block Diagram
PL-505 is using DSP si4734 Microchips (from Silicon Labs in
USA) to digitalize the analog AM/FM broadcasting signal base
on the modern software technology and radio principles. It can
highly improve on radio's sensitivity, selectivity, S/N ratio and
anti-interference.
PL-505 PL-505 25
SPECIFICATIONS
1. Frequency range
FM 87~108 MHz
Russia 64~108MHz
Japan 76~108 MHz
Eu, USA 87.5~108 MHz
MW 522~1620 (USA 520~1710) kHz
LW 153~513 kHz
SW 2300~21950 kHz
2. Sensitivity
FM (S/N=30dB) Less than 3μV
MW (S/N=26dB) Less than 1mV/m
LW (S/N=26dB) Less than 10mV/m
SW (S/N=26dB) Less than 20μV
3. Selectivity
FM >60 dB (±150kHz)
MW >60 dB (BW=3kHz, ±9kHz)
LW >60 dB (BW=3kHz, ±9kHz)
SW >60 dB (BW=3kHz, ±5kHz)
4. FM Stereo crosstalk Less than 25 dB
5. Memory 550
6. Output (Distortion 10%) ≥200 mW
7. Power UM3 or AA X 2
USB 5V DC
8. Speaker φ50mm, 500mW/16 Ohm
9. Earphone Jack φ3.5mm, 32 Ohm, Stereo type
10. Dimensions Approx. 123(W) X 79(H) X 20(D) mm
11. Weight 175g (excluded batteries)
AMPLIFIER
CONTROLLER
CONTROL
INTERFACE
SW LPF
FM ANT
MW/LW
ANT
PL-505
Functional Block Diagram
www.tecsunradio.com hch@cantonmade.com