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Guida radio, ovvero: che ricevitore utilizzare? - Portatili |
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, specifiche non ufficiali
| f |
AM |
SSB |
f |
AM |
SSB |
| 100 kHz |
3,60 |
1,00 |
14 MHz |
0,80 |
0,23 |
| 200 kHz |
3,20 |
0,90 |
15 MHz |
0,85 |
0.24 |
| 300 kHz |
2,50 |
0,70 |
16 MHz |
0,90 |
0,23 |
| 400 kHz |
2,25 |
0,64 |
17 MHz |
0.90 |
0,23 |
| 500 kHz |
2,25 |
0,64 |
18 MHz |
0,90 |
0,23 |
| 1 MHz |
1,40 |
0,40 |
19 MHz |
0.90 |
0,23 |
| 2 MHz |
1,10 |
0,31 |
20 MHz |
1,25 |
0,35 |
| 3 MHz |
1,12 |
0,31 |
21 MHz |
1,40 |
0,40 |
| 4 MHz |
0,90 |
0,25 |
22 MHz |
1,40 |
0,40 |
| 5 MHz |
1,00 |
0,30 |
23 MHz |
1,55 |
0,44 |
| 6 MHz |
0,80 |
0,23 |
24 MHz |
1,55 |
0,44 |
| 7 MHz |
0,80 |
0,23 |
25 MHz |
1,75 |
0,50 |
| 8 MHz |
0,90 |
0,25 |
26 MHz |
1,75 |
0,50 |
| 9 MHz |
0,70 |
0,20 |
27 MHz |
2,00 |
0,60 |
| 10 MHz |
0,70 |
0,20 |
28 MHz |
2,20 |
0,63 |
| 11 MHz |
0,70 |
0,20 |
29 MHz |
2,80 |
0,80 |
| 12 MHz |
0,70 |
0,20 |
30 MHz |
3,10 |
0,90 |
| 13 MHz |
0,80 |
0,23 |
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Sensitivity (in µV) from the jack of the outside antenna in different receiving frequencies.
The ratio S/S+N (SINAD) is accepted to be equal to 10 db.
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FM specification
| TEST ITEM |
CONDITION |
NOMINAL |
LIMIT |
UNIT |
| Tuning range |
Min. |
87.5 |
± 0.15 |
MHz |
| Max. | 108.0 |
± 0.15 |
| Intermediate frequency |
|
10.7 |
± 0.15 | MHz |
| Maximum sensitivity |
90 MHz |
|
16 |
dBµ |
| 98 MHz |
|
16 |
| 106 MHz |
|
16 |
| Image rejection |
106 MHz |
36 |
30 |
dB |
| I.F. rejection |
90 MHz |
60 |
50 |
| 3 dB limiting (1 mV) |
98 MHz |
18 |
24 |
dbµ |
| Minimum output |
0.6 |
3 |
mV |
| Tining indication sens. (2nd dot) |
18 |
24 |
dBµ |
| Auto scan. stop. sens. |
|
24 |
| Stereo indicator sens. |
|
24 |
| Stereo separation (1 kHz) |
25 |
20 |
dB |
| Spurious rejection |
|
50 |
dB |
| S/N ratio |
50 |
44 |
dB |
| Alter. channel select. |
|
25 |
dB |
| Am. suppression (66 dBµ) |
|
30 |
dB |
| Output power |
350 |
300 |
mW |
| T.H.D. (75 kHz dev.) |
2 |
4 |
% |
| Overload capacity |
|
106 |
dBµ |
| Calibration |
|
± 100 |
kHz |
| Lowest battery voltage |
3.9 |
4.2 |
V |
Audio fidelity -3dB
(W/Pre-emphasis) |
|
150
8K |
Hz |
Tone action 10kHz/1kHz
Volume at center position |
+7.5
-22 |
+3
-16 |
dB |
| Supply voltage: DC 6V | R.O.:50 mW | Load: 8 Ω | Modulation: 1kHz/22.5kHz dev. |
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MW specification
| TEST ITEM | CONDITION | NOMINAL | LIMIT | UNIT |
| Tuning range | Min. | 520 | ± 1 | kHz |
| Max. | 1710 | ± 1 |
| Intermediate frequency | 1st IF
2nd IF | 55845
450 | ± 1 | kHz |
| Maximum sensitivity | 600 kHz | | 58 | dBµ/m |
| 1000 kHz | | 56 |
| 1400 kHz | | 56 |
| Usable sensitivity | 600 kHz | 58 | 64 | dBµ/m |
| 1000 kHz | 56 | 62 |
| 1400 kHz | 56 | 62 |
| Image rejection | 1400 kHz | 36 | 30 | dB |
| I.F. rejection (450 kHz) | 1000 kHz | | 50 |
| Selectivity (± 10 kHz) | 1000 kHz | | 40 | dB |
| Bandwidth (wide) 6dB | 7 | 4-8 | kHz |
| Bandwidth (narrow) 6dB | 4.5 | 2.6-6 | kHz |
| T.H.D. (5 mV) | 2 | 4 | % |
| Lowest battery voltage | 3.9 | 4.2 | V |
| Tuning indicaion sensitivity (2nd dot) | 56 | 60 | dBµ/m |
| Auto scan. stop. sens | 56 | 62 | dbµ/m |
| S/N ratio (5 mV) | | 32 | dB |
| Tone action (3 kHz) | 10 | 6 | dB |
| Audio fidelity | | 150 | Hz |
| 2100 | Hz |
| Output power | 300 | 300 | mW |
| Overload capacity | | 100 | dBµ/m |
| AGC FOM | | 50 | dB |
| Calibration | | ± 1 | kHz |
| A.C.A. (± 10kHz) | | 28 | dB |
| Whistle modulation (5mV/m) | | 15 | % |
| Supply voltage: DC 6V | R.O.: 50 mW | Load: 8 Ω | Modulation: 1000 Hz/30% mod. |
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LW specification
| TEST ITEM | CONDITION | NOMINAL | LIMIT | UNIT |
| Tuning range | Min. | 153 | ± 1 | kHz |
| Max. | 519 | ± 1 |
| Intermediate frequency | 1st IF
2nd IF | 55845
450 | ± 1 | kHz |
| Maximum sensitivity | 180 kHz | | 68 | dBµ/m |
| 225 kHz | | 66 |
| 279 kHz | | 64 |
| Usable sensitivity | 180 kHz | 68 | 74 | dBµ/m |
| 225 kHz | 66 | 72 |
| 279 | 64 | 70 |
| Image rejection | 279 kHz | 30 | 24 | dB |
| I.F. rejection (450 kHz) | 225 | | 50 |
| Selectivity (± 10kHz) | 225 kHz | | 40 | db |
| Bandwidth (wide) 6dB | | | kHz |
| Bandwidth (narrow) 6dB | | | kHz |
| T.H.D. (5 mW) | 2 | 4 | % |
| Lowest battery voltage | 3.9 | 4.2 | V |
| Tuning indication sensitivity (2nd dot) | | 70 | dBµ/m |
| Auto scan. stop sens. | | 72 | dBµ/m |
| S/N ratio (5 mV) | | 24 | dB |
| Tone action (3kHz) | | | dB |
| Frequency response (-6dB) | | 150 | Hz |
| | 2.1 | kHz |
| Output power | 350 | 300 | mW |
| Overload capacity | | 106 | dBµ/m |
| AGC FOM | | | dB |
| Calibration | 180 kHz | | ± 1 | kHz |
| 225 kHz | | ± |
| 279 kHz | | ± 1 |
| Supply voltage: DC 6V | R.O.: 50mW | Load: 8Ω | Modulation: 1000 Hz/30% mod. |
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SW specification
| TEST ITEM | CONDITION | NOMINAL | LIMIT | UNIT |
| Tuning range | Min | 1711 | ± 1 kHz | kHz |
| Max | 29999 | ± 1 kHz |
| Intermediate frequency | 1st IF | 55845 | ± 1 | |
| 2nd IF | 450 |
| Maximum sensitivity | 3900 kHz | | 22 | dBµ/m |
| 15100 kHz | | 18 |
| 25600 kHz | | 18 |
| Usable sensitivity | 3900 kHz | 22 | 28 | dBµ/m |
| 15100 kHz | 18 | 24 |
| 25600 kHz | 18 | 24 |
| Image rejection | 15100 kHz | 42 | 36 | dB |
| IF rejection (450 kHz) | 15100 kHz | 76 | 60 | dB |
| Selectivity (± 10 kHz) | 15100 kHz | | 50 | dB |
| Bandwidth (wide) 6dB | 6 | 4-8 | kHz |
| Bandwidth (narrow) 6dB | 4.5 | 3-7 | kHz |
| T.H.D. (60 dBµ) | 2 | 4 | % |
| Lowest battery voltage | 3.9 | 4.2 | V |
| Tuning indication sensitivity (2nd dot) | | 24 | dBµ/m |
| Auto scan. stop sens. | | 26 | dBµ/m |
| S/N ratio (60dBµ) | | 40 | dB |
| RF gain control | 25 | ± 6 | dB |
| Audio fidelity (-6dB) | | 150 | Hz |
| | 2200 | Hz |
| Output power | | 300 | mW |
| Overload capacity | 86 | 80 | dBµ/m |
| AGC FOM (86 dBµ) | | 60 | dB |
| Calibration | 3900 kHz | | ± 1 | kHz |
| 15100 kHz | |
| 25600 kHz | |
| A.C.A. (± 10 kHz) | 15100 kHz | | 28 | dB |
| SSB/CW sens (S/N=10dB) | 15100 kHz | -3 | +3 | dBµ/m |
| Supply voltage: DC 6V | R.O.: 50 mW | Load: 8 Ω | Modulation: 1000 Hz/30% mod |
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