FT-891 Technical Supplement
Specifications
SPECIFICATIONS-2
Receiver
Circuit Type:
SSB/CW/AM: Triple-conversion Superheterodyne
FM: Double Conversion Superheterodyne
Intermediate Frequencies:
SSB/CW/AM: 1st: 69.450 MHz
2nd: 450 kHz
3rd: 24 kHz
FM:
1st: 69.450 MHz
2nd: 450 kHz
Sensitivity:
SSB/CW (S/N 10 dB)
0.16 μV (1.8 MHz - 30 MHz)
0.16 μV (50 MHz - 54 MHz)
AM (S/N 10 dB)
5 μV (0.5 MHz - 1.8 MHz)
1.6 μV (1.8 MHz - 30 MHz)
1.6 μV (50 MHz - 54 MHz)
FM (12 dB SINAD)
0.35 μV (29 MHz, 50 MHz - 54 MHz)
Selectivity:
Mode
-6 dB
-60 dB
SSB/CW
2.4 kHz or better
3.6 kHz or less
CW-N
500 Hz or better
750 Hz or less
AM
6 kHz or better
15 kHz or less
FM
12 kHz or better
30 kHz or less (-50dB)
FM-N
9 kHz or better
25 kHz or less (-50dB)
Maximum AF Output:
2.5 W into 4 ohms with 10% THD
Audio Output Impedance:
4 Ohms to 16 Ohms (8 Ohms: nominal)
Conducted Radiation:
Less than 4 nW
Specifications are subject to change, in the interest of technical improvement, without notice or obligation,
and are guaranteed only within the amateur bands.
Summary of Contents for FT-891
Page 7: ...BLOCK DIAGRAM 1 FT 891 Technical Supplement Block Diagram...
Page 8: ...CONNECTION DIAGRAM 1 FT 891 Technical Supplement Connection Diagram...
Page 28: ...FT 891 Technical Supplement MAIN 1 Circuit Diagram MAIN Unit Lot 1 3...
Page 30: ...FT 891 Technical Supplement MAIN 3 Parts Layout side B MAIN Unit Lot 1 3 1 2 3 4 5 a b c d e f...
Page 31: ...FT 891 Technical Supplement MAIN 4 Circuit Diagram MAIN Unit Lot 4 6...
Page 32: ...FT 891 Technical Supplement MAIN 5 MAIN Unit Lot 4 6 Parts Layout side A 1 2 3 4 5 A B C D E F...
Page 33: ...FT 891 Technical Supplement MAIN 6 MAIN Unit Lot 4 6 Parts Layout side B 1 2 3 4 5 a b c d e f...
Page 34: ...FT 891 Technical Supplement MAIN 7 Circuit Diagram MAIN Unit Lot 7 10...
Page 37: ...FT 891 Technical Supplement MAIN 10 Circuit Diagram MAIN Unit Lot 11...
Page 38: ...FT 891 Technical Supplement MAIN 11 MAIN Unit Lot 11 Parts Layout side A 1 2 3 4 5 A B C D E F...
Page 39: ...FT 891 Technical Supplement MAIN 12 MAIN Unit Lot 11 Parts Layout side B 1 2 3 4 5 a b c d e f...
Page 66: ...FT 891 Technical Supplement LOCAL 1 Circuit Diagram LOCAL Unit...
Page 67: ...FT 891 Technical Supplement LOCAL 2 Parts Layout LOCAL Unit side A side B 1 2 A B 1 2 a b...
Page 71: ...FT 891 Technical Supplement PA 1 Circuit Diagram PA Unit...
Page 72: ...FT 891 Technical Supplement PA 2 Parts Layout side A PA Unit 1 2 3 4 5 A B C D E...
Page 73: ...FT 891 Technical Supplement PA 3 Parts Layout side B PA Unit 1 2 3 4 5 a b c d e...
Page 81: ...FT 891 Technical Supplement DSP 1 Circuit Diagram DSP Unit Lot 1 10...
Page 83: ...FT 891 Technical Supplement DSP 3 Circuit Diagram DSP Unit Lot 11...
Page 89: ...FT 891 Technical Supplement PANEL 1 Circuit Diagram PANEL Unit...
Page 96: ...SW B 1 SW B Unit Circuit Diagram Parts Layout FT 891 Technical Supplement...
