Yaesu FT-901DM Maintenance Service Manual page 8

RECEIVER
Sensitivity:
SSB/CW/FSK 0.25 pV for S/N 10 dB
AM 1 pV for S/N 10dB
FM 0.3 wV for 20 dB quieting
Image rejection:
1.8 - 21 MHz - - Better than 60 dB
28 MHz - - Better than SO dB
IF rejection:
Better than 70 dB
Selectivity, WIDTH control at "0"
SSB: -—6dB/2.4kHz —60 dB/4.0 kHz
*CW: —6dB/0.6kHz -—60 dB/1.2 kHz
*AM: —6dB/6.0kHz —60dB/12.0 kHz
**FM: —6 dB/12.0 kHz —60 dB/24.0 kHz
*AM and CW filters are optional, all models
**FM UNIT optional on FT-901SD/DE
GENERAL
Passband tuning:
Continuous from 2.4 kHz to 300 Hz
Two-tone dynamic range:
Typically well in excess of 85 dB (20 kHz
spacing, 14 MHz, 600 Hz bandwidth)
APF response:
Within 3 dB from 400 - 900 Hz
Audio output:
Better than 3 watts @ 10% THD
Audio output impedance:
4-16 Ohms
FT-901D/SD/DE/DM MODEL DIFFERENCES
O = Built-in feature
X = Available option
FEATURE FT-901D FT-9018D | FT-901DE | FT-901DM
BAND CRYSTAL 160m ° ° ° °
BAND CRYSTAL 80m ° ° ° °
BAND CRYSTAL 40m ° ° O° °
BAND CRYSTAL 15m ° ° | ° °
BAND CRYSTAL __10mA eS i. 6 oi O
BAND CRYSTAL _10mB ° ° oe | °
BAND CRYSTAL 10m eo _ | ° ° °
BANDCRYSTAL —_10mD re) | ° ° °
BAND CRYSTALWWV/JY RCV. | OO 3 ° °
VOX/MARKER UNIT ° ° ° °
FM UNIT ° | x a. | °
RF SPEECH PROCESSOR [0 ° ° °
AM FILTER x x x X
CW FILTER x x x x
KEYER UNIT x | x lo) °
MEMORY UNIT x x x 3
DC-DC CONVERTER x x x °
COOLING FAN 3 x ° 3
POWER OUTPUT 100 W 10 W 100 W 100 W