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Escrito por CT1FFU
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Quarta, 25 Novembro 2009 12:48 |
Yaesu FT-847 pre-amplifier for 70mhz band
Now you can have good RX on your FT-847 with this new Low
noise pre-amplifier.
It’s designed for 70mhz with a MMIC MAR-6 low noise device.
It is very easy to assemble on radio,
even for people with little experience.
Only 3 wires need to be soldered.
No losing bands or any kind of functions on your radio.
This amplifier is inserted between the
band-pass-filter and gives excellent performance to t
he receiver sensibility on 70mhz.
It takes only 5 minutes to get done. With this Pre-amp you
Yaesu FT-847 will RX @ 70mhz 0,1uV
Is IP3 of +14,5 dbm garantees vert rubust front-end under
intense Es signals from OIRT of former URSS.
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Output IP3
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f=0.5 GHz
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+14.5
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dBm
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Noise Figure
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f=0.5 GHz
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3.0
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dB
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Recommended Device Operating Current
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16
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mA
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Device Operating Voltage
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3.5
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V
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Device Voltage Variation vs. Temperature at 16 mA
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-5.6
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mV/°C
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Device Voltage Variation vs. Current at 25°C
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8.4
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mV/mA
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Thermal Resistance, junction-to-case
1 |
241
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°C/W
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| Yaesu FT-847 |
Price |
payment |
| 70mhz Pre.amp |
40€ |
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Actualizado em Quarta, 02 Dezembro 2009 19:04 |