QST Magazine Product Reviews

Key Measurements Summary

HF-Transceivers or Receivers

 

Source: Product Review from QST Magazine            
 

Icom, sorted by 2 kHz 3rd-order dynamic range

            
Subject of measurement Minimum Maximum Icom IC-R9500 Icom IC-7700 Icom IC-7800 Icom IC-7000    
Band: 14 MHz of scale of scale Jan-08 Oct-08 Mar-07 May-06    
Receiver                
20 kHz blocking gain compression 70 dB 140 dB 144 dB 125 dB 144 dB 112 dB    
2 kHz blocking gain compression 70 dB 140 dB 109 dB 102 dB 117 dB 86 dB    
20 kHz 3rd-order dynamic range 50 dB 110 dB 103 dB 106 dB 108 dB 89 dB    
2 kHz 3rd-order dynamic range 50 dB 110 dB 99 dB 95 dB 86 dB 63 dB    
20 kHz 3rd-order intercept -40 dBm +35 dBm +32 dBm +39 dBm +38 dBm +6 dBm    
2 kHz 3rd-order intercept -40 dBm +30 dBm -4dBm +24 dBm +22 dBm -27 dBm    
Transmitter                
Tx-Rx turnaround time 50 ms 10 ms   15 ms 15 ms 12 ms    
Transmit 3rd-order IMD -20 dB -35 dB   -28 dB -32 dB -33 dB    
Transmit 9th-order IMD -20dB -70 dB   -53 dB -52 dB -58 dB    
 

Yaesu, sorted by 2 kHz 3rd-order dynamic range

            
Subject of measurement Minimum Maximum Yaesu FTdx9000 Yaesu FT-950 Yaesu FT-2000D Yaesu FT-2000    
Band: 14 MHz of scale of scale Mar-06 Mar-08 Dec-07 Feb-07    
Receiver                
20 kHz blocking gain compression 70 dB 140 dB 128 dB 128 dB 136 dB 126 dB    
2 kHz blocking gain compression 70 dB 140 dB 97 dB 98 dB 87 dB 92 dB    
20 kHz 3rd-order dynamic range 50 dB 110 dB 101 dB 95 dB 98 dB 95 dB    
2 kHz 3rd-order dynamic range 50 dB 110 dB 78 dB 71 dB 69 dB 64 dB    
20 kHz 3rd-order intercept -40 dBm +35 dBm +35 dBm +21 dBm +26 dBm +16 dBm    
2 kHz 3rd-order intercept -40 dBm +30 dBm +1 dBm -4 dBm -16 dBm -22 dBm    
Transmitter                
Tx-Rx turnaround time 50 ms 10 ms 35 ms 25 ms 37 ms 27 ms    
Transmit 3rd-order IMD -20 dB -35 dB -34 dB -35 dB -35 dB -32 dB    
Transmit 9th-order IMD -20dB -70 dB -80 dB -56 dB -65 dB -60 dB    
 

Other brands, sorted by 2 kHz 3rd-order dynamic range

          
Subject of measurement Minimum Maximum Elecraft K3 Elecraft K3 FLEX-5000A TenTec Orion-II TenTec Omni-VII  
Band: 14 MHz of scale of scale Jan-09 Apr-08 Jul-08 Sep-06 Jul-07  
Receiver                
20 kHz blocking gain compression 70 dB 140 dB 142 dB 139 dB 123 dB 136 dB 137 dB  
2 kHz blocking gain compression 70 dB 140 dB 140 dB 139 dB 123 dB 136 dB 134 dB  
20 kHz 3rd-order dynamic range 50 dB 110 dB 106 dB 103 dB 99 dB 92 dB 91 dB  
2 kHz 3rd-order dynamic range 50 dB 110 dB 103 dB 102 dB 99 dB 95 dB 82 dB  
20 kHz 3rd-order intercept -40 dBm +35 dBm +29 dBm +26 dBm +39 dBm +20 dBM +11 dBM  
2 kHz 3rd-order intercept -40 dBm +30 dBm +28 dBm +26 dBm +39 dBm +21 dBm +6,5 dBm  
Transmitter                
Tx-Rx turnaround time 50 ms 10 ms 12 ms 22 ms 29 ms 30 ms 20 ms  
Transmit 3rd-order IMD -20 dB -35 dB -29 dB -27 dB -34 dB -28 dB -27 dB  
Transmit 9th-order IMD -20dB -70 dB -51 dB -53 dB -54 dB -52 dB -55 dB  
 

All rigs, sorted by 2 kHz 3rd-order dynamic range

 1 2 3 4 5 6
Subject of measurement Minimum Maximum Elecraft K3 FLEX-5000A Icom IC-R9500 Icom IC-7700 TenTec Orion-II Icom IC-7800 V2
Band: 14 MHz of scale of scale Jan-09 Jul-08 Jan-08 Oct-08 Sep-06 Mar-07
Receiver                
20 kHz blocking gain compression 70 dB 140 dB 142 dB 123 dB 144 dB 125 dB 136 dB 144 dB
2 kHz blocking gain compression 70 dB 140 dB 140 dB 123 dB 109 dB 102 dB 136 dB 117 dB
20 kHz 3rd-order dynamic range 50 dB 110 dB 106 dB 99 dB 103 dB 106 dB 92 dB 108 dB
2 kHz 3rd-order dynamic range 50 dB 110 dB 103 dB 99 dB 99 dB 95 dB 95 dB 86 dB
20 kHz 3rd-order intercept -40 dBm +35 dBm +29 dBm +39 dBm +32 dBm +39 dBm +20 dBM +38 dBm
2 kHz 3rd-order intercept -40 dBm +30 dBm +28 dBm +39 dBm -4dBm +24 dBm +21 dBm +22 dBm
Transmitter                
Tx-Rx turnaround time 50 ms 10 ms 12 ms 29 ms   15 ms 30 ms 15 ms
Transmit 3rd-order IMD -20 dB -35 dB -29 dB -34 dB   -28 dB -28 dB -32 dB
Transmit 9th-order IMD -20dB -70 dB -51 dB -54 dB   -53 dB -52 dB -52 dB
 

All rigs, sorted by 2 kHz 3rd-order dynamic range

 7 8 9 10 11 12
Subject of measurement Minimum Maximum TenTec Omni-VII Yaesu FTdx9000 Yaesu FT-950 Yaesu FT-2000D Yaesu FT-2000 Icom IC-7000
Band: 14 MHz of scale of scale Jul-07 Mar-06 Mar-08 Dec-07 Feb-07 May-06
Receiver                
20 kHz blocking gain compression 70 dB 140 dB 137 dB 128 dB 128 dB 136 dB 126 dB 112 dB
2 kHz blocking gain compression 70 dB 141 dB 134 dB 97 dB 98 dB 87 dB 92 dB 86 dB
20 kHz 3rd-order dynamic range 50 dB 110 dB 91 dB 101 dB 95 dB 98 dB 95 dB 89 dB
2 kHz 3rd-order dynamic range 50 dB 110 dB 82 dB 78 dB 71 dB 69 dB 64 dB 63 dB
20 kHz 3rd-order intercept -40 dBm +35 dBm +11 dBM +35 dBm +21 dBm +26 dBm +16 dBm +6 dBm
2 kHz 3rd-order intercept -40 dBm +30 dBm +6,5 dBm +1 dBm -4 dBm -16 dBm -22 dBm -27 dBm
Transmitter                
Tx-Rx turnaround time 50 ms 10 ms 20 ms 35 ms 25 ms 37 ms 27 ms 12 ms
Transmit 3rd-order IMD -20 dB -35 dB -27 dB -34 dB -35 dB -35 dB -32 dB -33 dB
Transmit 9th-order IMD -20dB -70 dB -55 dB -80 dB -56 dB -65 dB -60 dB -58 dB
 

Many thanks to ARRL and QST Magazine for their very interesting reviews!

        

 

 

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