もうご存知だと思いますがElecraftが新しいリニアアンプKPA500を発表している。
2011年4月下旬発売 ($1,900- ?)。
K-3と同様にドライバー1本で組み立てられるのかな?
KPA500 Compact 160m-6m Solid State Amplifier(500W)
現在行われているZD8Dのペディションで使用されている。
この秋にはKAT500 Autotuner が発売される予定。
K-Line
KPA500 Specifications
Frequency Range All Amateur Bands from 1.8 to 29.7 MHz and 50 to 54 MHz
Supply Voltage and Current 100 to 125 VAC or 200 to 250 VAC, 50/60 Hz,
approx. 1000 VA
Weight 26 lbs (11.8 kilograms)
Size Enclosure only, 4.0 x 10.8 x 10.0 in., HWD (10.2 x 27.4 x 25.4 cm).
With projections, 4.4 x 10.8 x 11.8 in. (11.2 x 28.4 x 30.0 cm).
The projections are the bottom feet and the fan and cable connectors on the rear.
When installing, allow an additional 2”(5.1 cm) behind the fan and above the top cover for unrestricted air flow.
Power Output 500 watts
Duty Cycle at 500 Watts 10 minutes key down / 5 minutes standby
Drive Power 30 to 40 watts for 500 watts output
Input VSWR Less than 1.5:1
ALC Out Negative-going, adjustable.
Metering Power Output, SWR (bargraph and on the LCD display), supply voltage and current, temperature, frequency band.
PA Current 20 A maximum
PA Voltage 60 VDC, nominal
Heat Sink Temperature 90℃, maximum
Key In +5V maximum, open circuit on receive, closed to ground on transmit (1 mA max.)
Efficiency Approximately 50%
下の写真は2007年にプロトタイプとして発表されたKPA-1500・・・いずれ発売になる?
2011年4月下旬発売 ($1,900- ?)。
K-3と同様にドライバー1本で組み立てられるのかな?
KPA500 Compact 160m-6m Solid State Amplifier(500W)
現在行われているZD8Dのペディションで使用されている。
この秋にはKAT500 Autotuner が発売される予定。
K-Line
KPA500 Specifications
Frequency Range All Amateur Bands from 1.8 to 29.7 MHz and 50 to 54 MHz
Supply Voltage and Current 100 to 125 VAC or 200 to 250 VAC, 50/60 Hz,
approx. 1000 VA
Weight 26 lbs (11.8 kilograms)
Size Enclosure only, 4.0 x 10.8 x 10.0 in., HWD (10.2 x 27.4 x 25.4 cm).
With projections, 4.4 x 10.8 x 11.8 in. (11.2 x 28.4 x 30.0 cm).
The projections are the bottom feet and the fan and cable connectors on the rear.
When installing, allow an additional 2”(5.1 cm) behind the fan and above the top cover for unrestricted air flow.
Power Output 500 watts
Duty Cycle at 500 Watts 10 minutes key down / 5 minutes standby
Drive Power 30 to 40 watts for 500 watts output
Input VSWR Less than 1.5:1
ALC Out Negative-going, adjustable.
Metering Power Output, SWR (bargraph and on the LCD display), supply voltage and current, temperature, frequency band.
PA Current 20 A maximum
PA Voltage 60 VDC, nominal
Heat Sink Temperature 90℃, maximum
Key In +5V maximum, open circuit on receive, closed to ground on transmit (1 mA max.)
Efficiency Approximately 50%
下の写真は2007年にプロトタイプとして発表されたKPA-1500・・・いずれ発売になる?