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QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receivers                     Source: Product Review from QST Magazine - Many thanks to ARRL and QST Magazine for their very interesting reviews!                                           1 2 3 4     Subject of measurement Minimum Maximum Yaesu FTdx5000D Elecraft K3 Icom IC-7700 TenTec Orion-II     Band: 14 MHz of scale of scale December 2010 January 2009 October 2008 September 2006     Receiver                 20 kHz blocking gain compression 70 dB 140 dB 136 dB * 142 dB ! 125 dB 136 dB     2 kHz blocking gain compression 70 dB 141 dB 136 dB * 140 dB 102 dB 136 dB     20 kHz 3rd-order dynamic range 50 dB 110 dB 114 dB ! 106 dB 106 dB 92 dB     2 kHz 3rd-order dynamic range 50 dB 110 dB 114 dB ! 103 dB 95 dB 95 dB     20 kHz 3rd-order intercept -40 dBm +35 dBm +41 dBm ! +29 dBm +35 dBm +20 dBm     2 kHz 3rd-order intercept -40 dBm +35 dBm +40 dBm ! +28 dBm +24 dBm +21 dBm     Transmitter                 Tx-Rx turnaround time (SSB tx delay) 50 ms 10 ms 37 ms 12 ms 15 ms 30 ms     Transmit 3rd-order IMD -20 dB -35 dB -43 dB #! -29 dB -28 dB -28 dB     Transmit 9th-order IMD -20dB -70 dB -72 dB #! -51 dB -53 dB -52 dB                           5 6 7 8     Subject of measurement Minimum Maximum Icom IC-7600 Icom IC-7800 V2 Yaesu FTdx9000 TenTec Omni-VII     Band: 14 MHz of scale of scale November 2009 March 2007 July 2010 July 2007     Receiver                 20 kHz blocking gain compression 70 dB 140 dB 122 dB 144 dB 137 dB 137 dB     2 kHz blocking gain compression 70 dB 141 dB 102 dB 117 dB 102 dB 134 dB     20 kHz 3rd-order dynamic range 50 dB 110 dB 106 dB 108 dB 99 dB 91 dB     2 kHz 3rd-order dynamic range 50 dB 110 dB 88 dB 86 dB 85 dB 82 dB     20 kHz 3rd-order intercept -40 dBm +35 dBm +31 dBm +38 dBm ! +28 dBm +11 dBm     2 kHz 3rd-order intercept -40 dBm +35 dBm +13 dBm +22 dBm +7 dBm +6,5 dBm     Transmitter                 Tx-Rx turnaround time (SSB tx delay) 50 ms 10 ms 13 ms 15 ms 32 ms 20 ms     Transmit 3rd-order IMD -20 dB -35 dB -31 dB -32 dB -37 dB #! -27 dB     Transmit 9th-order IMD -20dB -70 dB -48 dB -52 dB >-75 dB #! -55 dB                           9 10 11 12     Subject of measurement Minimum Maximum Yaesu FTdx9000 Yaesu FT-950 Yaesu FT-2000D Yaesu FT-450     Band: 14 MHz of scale of scale March 2006 March 2008 October 2007 December 2007     Receiver                 20 kHz blocking gain compression 70 dB 140 dB 128 dB 128 dB 136 dB 134 dB     2 kHz blocking gain compression 70 dB 141 dB 97 dB 98 dB 87 dB 90 dB     20 kHz 3rd-order dynamic range 50 dB 110 dB 101 dB 95 dB 98 dB 97 dB     2 kHz 3rd-order dynamic range 50 dB 110 dB 78 dB 71 dB 69 dB 67 dB     20 kHz 3rd-order intercept -40 dBm +35 dBm +35 dBm +21 dBm +26 dBm +13 dBm     2 kHz 3rd-order intercept -40 dBm +35 dBm +1 dBm -4 dBm -16 dBm -31 dBm     Transmitter                 Tx-Rx turnaround time (SSB tx delay) 50 ms 10 ms 35 ms 25 ms 37 ms 40 ms     Transmit 3rd-order IMD -20 dB -35 dB -34 dB # -35 dB -41 dB #! -30 dB     Transmit 9th-order IMD -20dB -70 dB -80 dB #! -56 dB -65 dB # -48 dB                           13 14 15       Subject of measurement Minimum Maximum Icom IC-7200 Yaesu FT-2000 Icom IC-7000       Band: 14 MHz of scale of scale June 2009 February 2007 May 2006       Receiver                 20 kHz blocking gain compression 70 dB 140 dB 140 dB 126 dB 112 dB       2 kHz blocking gain compression 70 dB 141 dB 83 dB 92 dB 86 dB       20 kHz 3rd-order dynamic range 50 dB 110 dB 99 dB 95 dB 89 dB       2 kHz 3rd-order dynamic range 50 dB 110 dB 67 dB 64 dB 63 dB       20 kHz 3rd-order intercept -40 dBm +35 dBm +23 dBm +16 dBm +6 dBm       2 kHz 3rd-order intercept -40 dBm +35 dBm -11 dBm -22 dBm -27 dBm       Transmitter                 Tx-Rx turnaround time (SSB tx delay) 50 ms 10 ms 30 ms 27 ms 12 ms       Transmit 3rd-order IMD -20 dB -35 dB -32 dB -32 dB -33 dB       Transmit 9th-order IMD -20dB -70 dB -58 dB -60 dB -58 dB                         * = Blocking exceeded the levels indicated               # = Class A operation                 ! = below/above measurable levels                                   Please take into account that there might be a difference in the numbers when comparing the older product reviews compared to     the later product reviews, due to changements and improvements of measurements equipment, measurements filters, etcetera.                       Green = excellent                 Light green = good                 Yellow = average                 Orange = moderate                 Red = poor