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本公司供应VHF电台。质量保证，欢迎咨询洽谈。
TECHNICAL SPECIFICATIONS
| Main power: | 110/220 VAC ±10%, 60 Hz ±5%, |
| Battery: | 24V nominal voltage (admitted range: 22÷31V). |
| Power reset restoration time: | 800 msec60 VA (Stand-by) |
| Consumption(from AC source with 90% modulation depth): | 150 VA (Tran.) GT 100V/20W280 VA (Tran.) GT 100U/20W 520 VA (Tran.) GT 100U/50W560 VA (Tran.) GT 100V/100W 150 VA (Tran.) GT 100V/20W330 VA (Tran.) GT 100V/50W |
| Frequency range: | 117,975÷137 MHz (VHF);225÷400 MHz (UHF). |
| Channel spacing: | 25 kHz VHF (760 chs.) or 12,5 kHz (3041 chs.); (Optional) 8,33 kHz VHF (2280 chs.);25 kHz UHF (7000 chs.). |
| Frequency stability: | 1 or 5 ppm VHF, 1 ppm UHF. |
| Frequency change: | synthesised |
| Modulation type: | amplitude modulation (A3E) |
| Operation: | continuous |
| Modulation depth: | 90% (±10%) with AF level range 6dBm to –15dBm |
| Output impedance: | 50 ohm |
| RF max. output power: | 20W for GT 100 U/20W;50W for GT 100 U/50W; 20W for GT-100 V/20W;50W for GT-100 V/50W; 100W for GT-100 V/100W. |
| Emergency output power: | about 6 dB reduction when VSWR 2.5:1 |
| Main LF input impedance: | 600 ohm |
| Main LF input level: | -30 dBm 10 dBm |
| Max distortion: | 5%, mod. 90% / 1 kHz |
| Mike input impedance: | 150 ohm (unbalanced) |
| LF dynamic compression: | 30 dB |
| Audio response: | /-3 dB @ 1 kHz from 300 to 3000Hz(25 kHz Ch spacing) |
| Hum: | 45 dB lower than the 1 kHz reference tone, 90% modulated |
| Harmonics and spurious: | 80 dB below the unmodulated carrier. |
| Intermodulation distortion: | 30 dB |
| PTT response time: | 100 msec |
| Time out on PTT keying: | On off, adjust. from 30 sec. to 3 min. According to ICAO Annex 10, Volume I, par. 4.6.1.1.1, part I |
| Frequency off-set: | attachment D, part I, par. 2.2. |
OPERABILITY
| Frequency stability: | 1 or 5 ppm VHF, 1 ppm UHF. |
| Frequency change: | synthesised |
| Modulation type: | amplitude modulation (A3) |
| Input impedance: | 50 ohm |
| Sensitivity VHF/UHF: 30%modulation(AF=1kHz), 10dB(S N)N | 1,5 μV |
| Image rejection: | 80 dB |
| Spurious response: | 80 dB 100 dB at ± 3 MHz |
| Cross modulation: | 300 mV at ± 3 MHz |
| Desensitisation: | ±3 dB (5 μV to 0.5 V) |
| AGC range: | Front panel and remote adjustable from 3 μV to 25 μV |
| Squelch: | 75 dB |
| Selectivity:25 kHz | max attenuation 6 dB at ±7,5 kHz min attenuation 60 dB at ±18 kHz min attenuation 80 dB at ±25 kHz. |
| 8,33 kHz | max attenuation 6 dB at ±3,46 kHz min attenuation 45 dB at ±6,68 kHz min attenuation 60 dB at ±8,33 kHz |
| Master audio: | 10 mW into 600 ohm |
| Loudspeaker: | 0,5 W |
| Headphone: | 100 mW into 20 ohm |
| Audio response: | /-3 dB @ 1 kHz from 300 to 3000Hz(25 kHz Ch spacing |
| Noise (RF signal 100 mV, 90% modulated with 1 kHz): | 50 dB below Master audio 10 mW |
| Max distortion: | 8% at 90% modulation; 5% at 30% modulation. |
| Temperature range: | Operation: -10°C ÷ 55°C; Storage: -30°C ÷ 70°C |
| Max relative humidity: | Operation: 95%; Storage: 95% |
| Max altitude (a.s.l.): | Operation: 5000 m. Storage: 6000 m. |
| Cooling system: | Operation: thermostatic fan; Storage: none. |
| Dimensions (HxWxD): | 133 x 483 x 530 mm (not including handles) |
