Radio Shack PRO-650, Руководство пользователя

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28 29
Marine
Ch. Frequency (MHz) Ch. Frequency (MHz)
01 156.0500 63 156.1750
05 156.2500 64 156.2250 / 160.8250
06 156.3000 65 156.2750
07 156.3500 66 156.3250
08 156.4000 67 156.3750
09 156.4500 68 156.4250
10 156.5000 69 156.4750
11 156.5500 70 156.5250
12 156.6000 71 156.5750
13 156.6500 72 156.6250
14 156.7000 73 156.6750
15 156.7500 74 156.7250
16 156.8000 77 156.8750
17 156.8500 78 156.9250
18 156.9000 79 156.9750
19 156.9500 80 157.0250
20 157.0000 / 161.6000 81 157.0750
21 157.0500 82 157.1250
22 157.1000 83 157.1750
23 157.1500 84 157.2250 / 161.8250
24 157.2000 / 161.8000 85 157.2750 / 161.8750
25 157.2500 / 161.8500 86 157.3250 / 161.9250
26 157.3000 / 161.9000 87 157.3750 / 161.9750
27 157.3500 / 161.9500 88 157.4250
28 157.4000 / 162.0000
Note:
Both frequencies (transmission and reception) are
shown for marine channels used for duplex transmission.
Specifications
Frequency Coverage
29-54 MHz .................................................................. (5 kHz steps)/FM
87.3-107.9 MHz ................................................ (100 kHz steps)/WFM
108-136.99166 MHz .......................................... (8.33 kHz steps)/AM
137-143.9875 MHz ............................................. (12.5 kHz steps)/FM
144-148 MHz .............................................................. (5 kHz steps)/FM
148.0125-150.7875 MHz .................................. (12.5 kHz steps)/FM
150.8-161.995 MHz .................................................. (5 kHz steps)/FM
162-174 MHz ........................................................ (12.5 kHz steps)/FM
380-512 MHz ....................................................... (12.5 kHz steps)/FM
Sensitivity (S+N)/N 20 dB
29-54 MHz ...................................................................................... 0.5 uV
87.3-107.9 MHz ((S+N)/N 30 dB) ................................................ 1.0 uV
108-136.99166 MHz ..................................................................... 1.0 uV
137-174 MHz .................................................................................. 0.5 uV
380-512 MHz .................................................................................. 0.7 uV
Spurious Rejection (FM @154 MHz) .........................................50 dB
Selectivity
±8 kHz/±17kHz (FM/AM) .................................................. -6dB/-50dB
±80kHz/±180kHz (WFM) ................................................. -6dB/-50dB
Search Speed ....................................................... Up to 80 Steps/Sec
Scan Speed .................................................... Up to 40 Channels/Sec
Delay Time.............................................................................. 2 Seconds
IF Frequencies
1st IF ........................................................................................... 10.7 MHz
2nd IF ............................................................................................. 455 kHz
IF Interference Ratio (10.7 MHz) .......................... 70 dB at 154 MHz
Squelch Sensitivity
Threshold (FM/AM) ................................................... Less than 0.5 uV
Threshold (WFM) ....................................................... Less than 1.0 uV
Tight (FM) ....................................................................... (S + N)/N 25 dB
Tight (WFM) ..................................................................... (S+N)/N 60 dB
Tight (AM) ........................................................................ (S+N)/N 20 dB
Antenna Impedance ...............................................................50 Ohms
Audio Output Power (10% THD) ............................... 0.7 W Nominal
Built-In Speaker ....................................... 3 Inches (77 mm), 8 Ohms
Operating Temperature ........................... 32° to 110°F (0° to 43°C)
Power Requirements............................... 9V AC Adapter (supplied)
................................................................ 9V DC Adapter (not supplied)
Dimensions (HWD) .............................................8.25 x 6.87 x 2.37 In
................................................................................... (210 x 175 x 60 mm)
Weight (without antenna) ........................................... 24.7 oz (700 g)
Specifications and depictions are subject to change and
improvement without notice. Actual product may vary from the
images found in this document.