63
HANDSET UNIT
RECEIVER
1. Sensitivity 12 dB SINAD
with CCITT Filter
2. Frequency Response (Ref:1kHz)
0.3kHz
3.0kHz
3. Audio Output Level
VOL. HIGH
VOL. MEDIUM
VOL. LOW
4. Distortion at 1 mV RF Input
5. S/N ratio at 1 mV RF Input
with CCITT Filter
6. Selectivity (NQ20dB)
Ban
Bandwidth -
7. Image Rejection Ratio
SINAD 12dB with CCITT Filter
1st Image
2nd Image
8. Ringer Level at 30cm from Speaker
2 TONE VOL HI
2 TONE VOL LO
3 TONE VOL HI
3 TONE VOL LO
TRANSMITTER
1. RF Power (50
Ω
Load)
2. Modulation Sensitivity
3. Frequency Response (Ref:1kHz)
0.3kHz
3.0kHz
4. Frequency Tolerance (25°C)
5. Code Deviation
6. Distortion
7. Adjacent CH Power
(+)
(-)
8. S/N Ratio
with CCITT Filter
POWER CONSUMPTION
1. Base Unit (with AC Adaptor, Answer off)
a. Stand-by Charge Off
b. Stand-by Charge On
c. Talk
2. Charge Current (at BATTERY)
3. Portable Unit
a. Stand-by
b. Talk
4. Battery Low Detect Voltage
UNIT
dBm
dB
dB
mV
mV
mV
%
dB
kHz
kHz
dB
dB
DBSPL
DBSPL
DBSPL
DBSPL
UNIT
dBm
mV
dB
dB
Hz
kHz
%
dB
dB
dB
UNIT
mA
mA
mA
mA
mA
mA
V
NOMINAL
-115
-1.5
-4.0
228
128
48
2.0
70
15
15
30
45
80
70
70
60
NOMINAL
-7.5
9
-1.5
-1.0
0
8.0
1.5
55
55
35
NOMINAL
135
220
180
55
2.3
70
3.3
LIMIT
< -107
-5.5~+2.5
-8.0~0.0
161~322
90~180
34~68
< 5
60 <
10 <
10 <
20 <
30 <
75 <
60 <
60 <
50 <
LIMIT
-10.5~-4.5
6.5~13
-5.5~+2.5
-5.0~+3.0
-2500~+2500
< 11
< 5
50 <
50 <
30 <
LIMIT
< 160
180~260
< 220
40~75
< 4
< 105
3.2~3.4
OTHERS
1. Battery
: Ni-Cd Battery 600mAH (@1.2×3=3.6V)
2. Memory
: 9 Memories (16 Digits) + 1 Redial Memory (32 Digits)
3. Operating Temperature : -10°C ~ +50°C
4. Storage Temperature
: -20°C ~ +60°C
REQUIREMENTS COMPLIANCE
1. Unit is designed to fully meet with UL1459 and FCC Rules, Part 15 and 68
Summary of Contents for FT-8939
Page 2: ...CORDLESS TELEPHONE SERVICE MANUAL FILE NO 2B0 9904 FT 8939 PUBLISHED IN JAPAN Sep 1999 ...
Page 11: ...9 BLOCK DIAGRAMS Base Unit Main ...
Page 12: ...10 Base Unit DSP ...
Page 13: ...11 Handset ...
Page 14: ...12 13 SCHEMATIC DIAGRAMS Base Unit Main ...
Page 15: ...14 15 Base Unit Key ...
Page 16: ...16 17 Handset ...
Page 33: ...34 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 34: ...35 Base Unit Key PCB ...
Page 35: ...36 Handset Main PCB ...
Page 36: ...37 38 WIRING DIAGRAMS Base Unit ...
Page 37: ...39 Handset ...
Page 40: ...42 Handset 7 8 4 1 16 17 17 5 10 15 11 12 2 9 6 13 14 3 17 MAIN PCB ASSY RF MODULE HANDSET ...
Page 62: ......