ET-435 Cordless Telephone
(430-0563A) Specifications Faxback Doc. # 38700
MEASUREMENT CONDITION
Supply Voltage
Base:...................................................... AC 120 V +/-2 V
Handset:................................................. DC 3.7 V +/-0.1 V
Temperature:..................................................... 25 +/-5 C
Channel Frequency Base Unit Handset
Channel TX RX TX RX
1 46.610 MHz 49.670 MHz 49.670 MHz 46.610 MHz
2 46.630 MHz 49.845 MHz 49.845 MHz 46.630 MHz
3 46.670 MHz 49.860 MHz 49.860 MHz 46.670 MHz
4 46.710 MHz 49.770 MHz 49.770 MHz 46.710 MHz
5 46.730 MHz 49.875 MHz 49.875 MHz 46.730 MHz
6 46.770 MHz 49.830 MHz 49.830 MHz 46.770 MHz
7 46.830 MHz 49.890 MHz 49.890 MHz 46.830 MHz
8 46.870 MHz 49.930 MHz 49.930 MHz 46.870 MHz
9 46.930 MHz 49.990 MHz 49.990 MHz 46.930 MHz
10 46.970 MHz 49.970 MHz 49.970 MHz 46.970 MHz
Standard Modulation:........................... 1 kHz Tone, +/-2.5 kHz Dev.
Telephone Line:............................................... 48 +/-1 V DC
RF SECTION
Handset Specification
Receiver Unit Nominal Limit
Sensitivity @ 12 dB
SINAD.........................uV 0.5 1.0 Max
Image Rejection...............dB 70 50 Min
Bandwidth @ -6 dB.............kHz +/-9.0 +/-7.0
Adjacent Channel @
+/- 20 kHz....................dB 50 35 Min
Spurious Rejection............dB 50 35 Min
Battery Low Indication........V 3.4 3.4 +/-0.1
S/N (1 mV RF Input)...........dB 45 40 Min
THD (1 mV RF Input)...........% 5 10
Audio Output
@ Maximum Volume..............mV 480 250 Min
@ Minimum Volume..............mV 180 100 Min
Frequency Response (Ref. 1 kHz)
@ 300 Hz......................dB +1.0 +1.0 +/-5
@ 3 kHz.......................dB -6.0 -6.0 +/-5
Transmitter
Transmit Power @ 3 Meter......mV/M 8 8 +/-2
Frequency Tolerance...........Hz +/-500 +/-800
Modulation Sensitivity
@ 92 dB SPL...................kHz +/-1.4 +/-1.4+/-0.2
Audio Frequency Response (Ref. 1 kHz 92 dB SPL)
@ 300 Hz......................dB -1.0 -1.0 +/-5
@ 3 kHz.......................dB 0 0 +/-5
Current Drain
Standby (Average).............mA 6 10
Talk..........................mA 30 60
Battery Charge Current........mA 27 40
Minimum Operating Voltage.....V 3.2 3.3
Base Specification
Receiver
Sensitivity @ 12 dB SINAD.....uV 0.7 1.0 Max
Squelch Sens. (SINAD).........nV 0.5 1.0 Max
Image Rejection...............dB 70 50 Min
Bandwidth @ -6 dB.............kHz +/-9.0 +/-7.0
Adjacent Channel Selectivity
@ +/-20 kHz...................dB 50 35 Min
Spurious Rejection............dB 50 35 Min
S/N (1 mV RF Input)...........dB 45 40 Min
THD (1 mV RF Input)...........% 5 10 Max
Frequency Response (Ref. 1 kHz)
@ 300 Hz......................dB 0 0 +/-5
@ 3 kHz.......................dB -7.0 -7.0 +/-5
Line Output Level
@ 1 mV RF Input...............dBm -3 -3 +/-3
Speaker Output Level
@ 1 mV RF Input...............dB SPL 85 80 Min
Volume @ Max..................@ 1 ft.
Transmitter
Transmit Power @ 3 Meter......mV/M 8 8 +/-2
Unit Nominal Limit
Frequency Tolerance...........Hz +/-500 +/-800
Modulation Sensitivity
Telephone Line
1 kHz @ -15 dBm...............kHz 2.0 2.0 +/-.2
Speaker Phone
80 dB SPL 1 kHz...............kHz 2.5 2.5 +/-.5
Audio Frequency Response (Ref. 1 kHz)
@ 300 Hz......................dB -5.0 -5.0 +/-3
@ 3 kHz.......................dB 0 0 +/-3
TELEPHONE
Pulse Dialing
Dialing Rate..................P.P.S. 10 8-11
Break Ratio...................% 60 58-64
Interdigital Interval.........mS 850 800-2000
Access Pause.................sec 2.0 1.7-2.3
Flash........................mS 700 500-900
Interdigital Interval
Between Pulse/Tone...........mS 800 700-900
Tone (DTMF) Dialing
Duration of Signals..........mS 100 50 Min
Interdigital Time............mS 80 50 Min
Frequency
Row 1........................Hz 697 687-707
Row 2........................Hz 770 759-781
Row 3........................Hz 852 840-864
Row 4........................Hz 941 927-955
Column 1.....................Hz 1209 1191-1227
Column 2.....................Hz 1336 1316-1356
Column 3.....................Hz 1477 1455-1499
DTMF Output Level @ 20 mA Loop Current
Frequency
697..........................dBm -5.0 -7.5 Min
770..........................dBm -5.0 -7.5 Min
852..........................dBm -5.0 -7.5 Min
941..........................dBm -5.0 -7.5 Min
1209.........................dBm -3.0 -5.5 Min
1336.........................dBm -3.0 -5.5 Min
1447.........................dBm -3.0 -5.5 Min
Twist........................dB 2.0 0.0 Min
DTMF Output Level @ 80 mA Loop Current
Frequency
697..........................dBm -5.0 -12.0
770..........................dBm -5.0 -12.0
852..........................dBm -5.0 -12.0
941..........................dBm -5.0 -12.0
1209.........................dBm -3.0 -10.0
1336.........................dBm -3.0 -10.0
1447.........................dBm -3.0 -10.0
Twist........................dB 2.0 0.0
RINGER
Ringer Volume
A-Weight @ 1 Foot
Speaker Phone
High Volume................. dB SPL 90 85-95
Low Volume...................dB SPL 80 75-85
Handset
High Volume..................dB SPL 90 85-95
Low Volume...................dB SPL 80 75-85
Minimum Ringer Start
Voltage @ 20 Hz..............Vrms 35 40 Max
Ringer Tap Voltage
@ Long Loop..................VDC 130 105 Min
Ringer Tap Voltage
@ Short Loop
S-1............................................................Pass
S-2............................................................Pass
S-3 300 ohm...................................................Pass
S-4 1.2K ohm..................................................Pass
SPEAKER PHONE
Speaker Volume Line Input
1 kHz @ -14 dBm Volume @ Max
"A-Weight" @ 1 ft............dB SPL 85 80 Min
Volume Control Range.........dB 25 20 Min
Stability Line Input
1 kHz @ -35 dBm................................Consistent No Fading
Tone or Cutting
Line Output
1 kHz @ 90 dB SPL............dBm -5 Max -5 +/-3 dBm
POWER SUPPLY
AC Power Consumption.........W 3.5 6.0 Max
Charge Output
with 120 Ohm Load............V 4 4 +/-1
Note: Nominal specs represent the design specs; all units should be able
to approximate these - some will exceed and some may drop slightly
below these specs. Limit specs represent the absolute worst
condition which still might be considered acceptable; in no case
should a unit perform to less than within any limit spec.
Specifications are typical; individual units might vary. Specifications
are subject to change and improvement without notice.
(km-04/02/1997)
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