规格参数
常规
频率范围 |
A Band / B Band |
108–500 MHz |
BC Band |
USA: 88–108 MHz
EUR: 76–108 MHz |
模式 |
AM, FM, WFM (F3E,A3E) |
频道存储数量 |
2000个常规存储频道, 200个自动存储频道, 25个扫描边缘频道,
100个跳跃频道 |
调谐步进值 |
5/6.25/8.33/10/12.5/15/20/25/30/50/100/125/200 kHz
* On 108.000 MHz - 136.991 MHz, you can select only 8.33 kHz or 25.0 kHz |
频率稳定度 |
小于±2.5 ppm (–20℃ 至 60℃ 以25℃为基准 ) |
天线阻抗 |
50 Ω (SMA) |
电池要求 |
3.6 V DC (BP-287) |
操作时间 |
10 小时 (Dual display mode, ?continuous receiving in A band and standby in B band, Auto power save function On), AF output power : Vol level 20 in internal speaker, GPS ON, Bluetooth OFF) |
| 外部电源 |
5.0 V DC ±5 % (USB charging) |
| 电流消耗(at 3.6V DC) |
额定音频 : 380 mA typical |
| 待机 : 150 mA typical |
| 省电 : 80 mA typical (FM mode, Single display mode, Record function Off, GPS Off, Backlight Off) |
尺寸 (W×H×D) |
58 × 116 × 33.8 毫米 (不包括突出部分) |
重量 (大约) |
260克(含天线和电池)
150克(不含配件) |
| 工作温度范围 |
– 20 ℃ 至 60 ℃ |
接收
接收系统 |
双转换超外差 |
| 中频 |
A Band / B Band |
58.050 MHz/450 kHz (1st IF/2nd IF) |
BC Band |
57.150 MHz/450 kHz (1st IF/2nd IF) |
灵敏度 |
AM
(10dB S/N :?1kHz Dev/30% Mod) |
108.000 - 142.000 MHz: Less than 0 dBμ
222.000 - 249.995 MHz: Less than 0 dBμ
250.000 - 299.995 MHz: Less than 5 dBμ
300.000 - 400.000 MHz: Less than 3 dBμ |
FM
(12dB SINAD :?1 kHz/3.5 kHz Dev) |
108.000 - 249.995 MHz: Less than -8 dBμ
250.000 - 299.995 MHz: Less than -3 dBμ
300.000 - 500.000 MHz: Less than -5 dBμ |
| WFM (12dB SINAD :?1 kHz / 52.5kHz Dev) |
76.000 - 108.000 MHz: Less than 0 dBμ |
选择性 |
AM / FM |
More than 50 dB |
| WFM |
More than 35 dB |
音频输出功率
(at 3.6V DC) |
内部扬声器 |
More than 400 mW (8 Ω, 10 % distortion) |
外部扬声器 |
More than 120 mW (8 Ω, 10 % distortion) |
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