技术规格Specifications
本章列出 IC-7300 的技术规格，包括频率覆盖范围、发射机与接收机的主要性能、天线调谐器规格，以及电源要求、外形尺寸与重量。文中脚注 *1 表示部分频率范围不予保证，脚注 *2 表示规格随机型版本而异；所有数值均为原厂标称值，可能随时更改而不另行通知。阅读本章时可结合前面各章的功能说明，理解各项指标所对应的实际使用场景。
This chapter lists the specifications of the IC-7300, including the frequency coverage, the main performance of the transmitter and the receiver, the antenna tuner specifications, as well as the power supply requirement, dimensions and weight. Footnote *1 indicates that some frequency ranges are not guaranteed, and footnote *2 indicates that the specifications depend on the transceiver version. All values are the manufacturer's nominal figures and are subject to change without notice. Read this chapter together with the functional descriptions in the preceding chapters to see how each specification relates to actual operation.
16-2一般规格General
一般规格包括：频率覆盖范围、工作模式、存储通道数量、天线阻抗、电源要求、工作温度范围、频率稳定度、频率分辨率、电源消耗、外形尺寸与重量。
General specifications: frequency coverage, operating modes, number of memory channels, antenna impedance, power supply requirement, operating temperature range, frequency stability, frequency resolution, power consumption, dimensions and weight.
| 类别Category | 频率范围（单位：MHz）Frequency range (unit: MHz) |
|---|---|
| 接收机Receiver | 0.030000 ~ 74.800000*1 |
| 发射机Transmitter | 1.800000 ~ 01.999999*2 |
| 3.500000 ~ 03.999999*2 | |
| 5.255000 ~ 05.405000*2 | |
| 7.000000 ~ 07.300000*2 | |
| 10.100000 ~ 10.150000*2 | |
| 14.000000 ~ 14.350000*2 | |
| 18.068000 ~ 18.168000*2 | |
| 21.000000 ~ 21.450000*2 | |
| 24.890000 ~ 24.990000*2 | |
| 28.000000 ~ 29.700000*2 | |
| 50.000000 ~ 54.000000*2 | |
| 70.000000 ~ 70.500000*2 |
说明 NOTENOTE
*1 部分频率范围不予保证。
*2 视收发信机版本而定。
*1 Some frequency ranges are not guaranteed.
*2 Depending on the transceiver version.
频率覆盖范围中，标注 *1 的一项适用于接收机，标注 *2 的各项适用于发射机。部分频率范围不予保证，发射频率范围则视收发信机版本而定。
The frequency coverage entry marked *1 applies to the receiver, and the entries marked *2 apply to the transmitter. Some frequency ranges are not guaranteed, and the transmit frequency ranges depend on the transceiver version.
| 项目Item | 规格Specification |
|---|---|
| 工作模式Operating modes | USB/LSB (J3E), CW (A1A), RTTY (F1B), AM (A3E) and FM (F3E) |
| 存储通道数量Number of memory channels | 101（含 2 个扫描边缘通道）101 (including 2 scan edges) |
| 天线阻抗Antenna impedance | 50 Ω 不平衡50 Ω Unbalanced |
| 电源要求Power supply requirement | 13.8 V DC (±15%) |
| 工作温度范围Operating temperature range | -10°C to +60°C, +14°F to +140°F |
| 频率稳定度Frequency stability | Less than ±0.5 ppm (-10°C to +60°C, +14°F to +140°F) |
| 频率分辨率Frequency resolution | 1 Hz（最小）1 Hz (minimum) |
| 电源消耗：接收／待机Power consumption: Receive / Standby | 0.9 A（典型值）0.9 A typical |
| 电源消耗：接收／最大音频Power consumption: Receive / Maximum audio | 1.25 A |
| 电源消耗：发射／最大功率Power consumption: Transmit / Maximum power | 21.0 A |
| 尺寸（不含突出部分）Dimensions (projections not included) | 240 (W)×94 (H)×238 (D) mm, 9.4 (W)×3.7 (H)×9.4 (D) in |
| 重量（近似值）Weight (approximate) | 4.2 kg, 9.3 lb |
16-2发射机Transmitter
发射机规格包括：发射输出功率、调制系统、杂散发射、载波抑制、无用边带抑制以及话筒阻抗。
Transmitter specifications: transmit output power, modulation system, spurious emission, carrier suppression, unwanted sideband suppression and microphone impedance.
| 波段Band | 模式Mode | 发射输出功率Transmit output power |
|---|---|---|
| HF 及 50 MHz 波段HF and 50 MHz bands | SSB/CW/RTTY/FM | 2~100 W |
| AM | 1~25 W | |
| 70 MHz 波段*270 MHz band*2 | SSB/CW/RTTY/FM | 2~50 W |
| AM | 1~12.5 W |
说明 NOTENOTE
*2 视收发信机版本而定。
*2 Depending on the transceiver version.
| 模式Mode | 调制方式Modulation |
|---|---|
| SSB | P.S.N. 调制P.S.N. modulation |
| AM | 低功率调制Low power modulation |
| FM | 电抗调制Reactance modulation |
| 类别Category | 适用频率Frequency | 抑制电平Level |
|---|---|---|
| 谐波Harmonics | 1.8~28 MHz | 低于 -50 dBLess than -50 dB |
| 50 MHz band | 低于 -63 dBLess than -63 dB | |
| 70 MHz band | 低于 -60 dBLess than -60 dB | |
| 带外发射Out-of-band emission | 1.8~28 MHz | 低于 -40 dBLess than -40 dB |
| 50 MHz band | 低于 -60 dBLess than -60 dB | |
| 70 MHz band | 低于 -60 dBLess than -60 dB |
| 项目Item | 规格Specification |
|---|---|
| 载波抑制Carrier suppression | 高于 50 dBMore than 50 dB |
| 无用边带抑制Unwanted sideband suppression | 高于 50 dBMore than 50 dB |
| 话筒阻抗Microphone impedance | 600 Ω |
16-3接收机Receiver
接收机规格包括：接收系统、中频、接收灵敏度、静噪灵敏度、选择性、杂散与假信号抑制、音频输出功率、AF 输出阻抗以及 RIT 可变范围。
Receiver specifications: receive system, intermediate frequency, sensitivity, squelch sensitivity, selectivity, spurious and image rejection, audio output power, AF output impedance and RIT variable range.
| 项目Item | 规格Specification |
|---|---|
| 接收系统Receive system | 直接采样超外差式Direct sampling superheterodyne |
| 中频Intermediate frequency | 36 kHz |
| 模式与条件Mode and conditions | 频率范围Frequency range | 灵敏度Sensitivity |
|---|---|---|
| SSB/CW (BW=2.4 kHz, 10 dB S/N) | 1.8 ~ 29.999999 MHz | Less than -123 dBm (0.16 μV) (P.AMP1 ON) |
| 50 MHz band | Less than -125 dBm (0.13 μV) (P.AMP2 ON) | |
| 70 MHz band*2 | Less than -123 dBm (0.16 μV) (P.AMP2 ON) | |
| AM (BW=6 kHz, 10 dB S/N) | 0.5 ~ 1.8 MHz | Less than -85 dBm (12.6 μV) (P.AMP1 ON) |
| 1.8 ~ 29.999999 MHz | Less than -101 dBm (2.0 μV) (P.AMP1 ON) | |
| 50 MHz and 70 MHz bands | Less than -107 dBm (1.0 μV) (P.AMP2 ON) | |
| FM (BW=15 kHz, 12 dB SINAD) | 28.0 ~ 29.7 MHz | Less than -113 dBm (0.5 μV) (P.AMP1 ON) |
| 50 MHz and 70 MHz bands | Less than -119 dBm (0.25 μV) (P.AMP2 ON) |
说明 NOTENOTE
*2 视收发信机版本而定。
*2 Depending on the transceiver version.
| 模式与条件Mode and conditions | 频率范围Frequency range | 灵敏度Sensitivity |
|---|---|---|
| SSB (BW=2.4 kHz, 12 dB SINAD) | 1.8 ~ 2.999999 MHz | Less than 10 dBμV emf (P.AMP 1 ON) |
| 3.0 ~ 29.999999 MHz | Less than 0 dBμV emf (P.AMP 1 ON) | |
| 50 MHz and 70 MHz bands | Less than -6 dBμV emf (P.AMP 2 ON) | |
| AM (BW=4 kHz, 60% Modulation, 12 dB SINAD) | 1.8 ~ 2.999999 MHz | Less than 16 dBμV emf (P.AMP 1 ON) |
| 3.0 ~ 29.999999 MHz | Less than 6 dBμV emf (P.AMP 1 ON) | |
| 50 MHz and 70 MHz bands | Less than 0 dBμV emf (P.AMP 2 ON) | |
| FM (BW=7 kHz, 60% Modulation, 12 dB SINAD) | 28.0 ~ 29.7 MHz | Less than 0 dBμV emf (P.AMP 1 ON) |
| 50 MHz and 70 MHz bands | Less than -6 dBμV emf (P.AMP 2 ON) |
| 模式Mode | 静噪灵敏度（门限）Squelch sensitivity (threshold) |
|---|---|
| SSB | Less than -92 dBm (5.6 μV) |
| FM | Less than -117 dBm (0.3 μV) |
说明 NOTENOTE
测量条件：HF 波段为 P.AMP1 ON，50 MHz 波段为 P.AMP2 ON。
Measurement conditions: HF band: P.AMP1 ON, 50 MHz band: P.AMP2 ON.
| 模式与标称带宽Mode and nominal bandwidth | -6 dB 带宽-6 dB bandwidth | -40 dB 带宽-40 dB bandwidth |
|---|---|---|
| SSB (BW=2.4 kHz) | More than 2.4 kHz/-6 dB | Less than 3.4 kHz/-40 dB |
| CW (BW=500 Hz) | More than 500 Hz/-6 dB | Less than 700 Hz/-40 dB |
| RTTY (BW=500 Hz) | More than 500 Hz/-6 dB | Less than 800 Hz/-40 dB |
| AM (BW=6 kHz) | More than 6.0 kHz/-6 dB | Less than 10 kHz/-40 dB |
| FM (BW=15 kHz) | More than 12.0 kHz/-6 dB | Less than 22 kHz/-40 dB |
| 项目Item | 规格Specification |
|---|---|
| 杂散与假信号抑制Spurious and image rejection | 高于 70 dB（ADC 混叠除外）More than 70 dB (except for ADC aliasing) |
| 音频输出功率Audio output power | 高于 2.5 W（8 Ω 负载、1 kHz、10% 失真）More than 2.5 W (8 Ω load, 1 kHz, 10% distortion) |
| AF 输出阻抗AF output impedance | 8 Ω |
| RIT 可变范围RIT variable range | ±9.999 kHz |
16-3天线调谐器Antenna tuner
天线调谐器规格包括：可调谐阻抗范围、调谐准确度与调谐时间。
Antenna tuner specifications: tunable impedance range, tuning accuracy and tuning time.
| 项目Item | 规格Specification |
|---|---|
| 可调谐阻抗范围Tunable impedance range | 16.7~150 Ω（不平衡）（驻波比小于 3:1）16.7~150 Ω (unbalanced) (less than 3:1 VSWR) |
| 调谐准确度Tuning accuracy | 小于 1.5:1 驻波比Less than 1.5:1 VSWR |
| 调谐时间（近似值）Tuning time (approximate) | 2~3 秒（平均）2~3 seconds (average) |
| 15 秒（最大）15 seconds (maximum) |
说明 NOTENOTE
本章所列全部规格均为典型值，可能在不另行通知或不承担义务的情况下随时更改。
All stated specifications are typical and subject to change without notice or obligation.