у IC-275 этот показатель лучше чем 0,1 мкВ.
73! UT7UV
Вид для печати
у IC-275 этот показатель лучше чем 0,1 мкВ.
73! UT7UV
http://dk9vz.com/rx.htm Первый столбец, есть и укв-трансиверы (Ic-910, Ic-275).
Кто сравнивал приёмники в TS-590S и FT-950?
Вот мнение по TS590 известного контестмена LZ2CJ
http://forum.at-communication.com/vi...c.php?f=5&t=69
А вот и мнение по мнения LZ2CJ по TS590 известного контестмена W6LX:
Thank you for posting this, Wally. Have fun with your new radio!
Just to clear up some confusion, if there were stations at 7.033 and 7.037 (4 kHz apart) they would have generated third-order products at 7.029 and 7.041, not at 7.035 where you were listening. So yours was a test of the *blocking* (not IM) dynamic range.
Assuming S9 = [50 uV in 50 ohms] = -73 dBm, if the two blockers were each at S9 + 60 dB that is (very roughly) -13 dBm each. Two such blockers would be double that power or -10 dBm.
The S5 signal you were listening to was very roughly at -97 dBm ( 4 S-Units or 24 dB below S9). So it would only take about 87 dB of blocking dynamic range to handle the situation which is well within the capabilities of most modern receivers.
Regards,
Al W6LX