ET-509 Cordless Telephone
(430-1017) Specifications Faxback Doc. # 38729
MEASUREMENT CONDITIONS
Standard Voltage
Handset:................................................. DC 3.6 V +/-0.1 V
Base Unit:................................................. AC 120 V +/-5 V
Temperature:.................................... 77 F +/-9 F (25 C +/- 5 C)
Channel Handset RX Control Unit RX
CH 4.........................46.710 MHz....................49.770 MHz
CH 8.........................46.870 MHz....................49.930 MHz
CH 10........................46.970 MHz....................49.970 MHz
Standard Modulation:............................ 1 kHz +/-2.5 kHz deviation
BASE UNIT (RF SECTION)
Nominal Limit
Receiver
Maximum usable sensitivity..................-107 dBm <-105 dBm
@ 1 kHz +/-2.5 kHz deviation
12 dB SINAD
6 dB usable bandwidth.......................+/-6.0 kHz +/-3.0 kHz
@ 12 dB SINAD
Modulation acceptance bandwidth.............+/-9 kHz +/-3 kHz
@ 12 dB SINAD
Image rejection.............................>35 dB > 25 dB
@ a. 1 kHz +/-2.5 kHz deviation
b. -910 kHz from receiving frequency
Maximum signal to noise.....................60 dB > 50 dB
@ Reference 1 kHz +/-2.5 deviation
Reference -47 dBm (RF level)
Squelch sensitivity.........................6 dB +/-6 dB
@ MC3361 pin 13 /Active low position /SINAD
Receive frequency response..................-5.0 dB +/-2 dB
@ Reference 1 kHz +/-2.5 kHz deviation......-15 dB +/-2 dB
300 Hz
3 kHz
Audio output level..........................-8.0 dBm +/-3 dB
@ Reference 1 kHz +/-2.5 kHz deviation
-47 dBm RF signal 600 ohm load
Audio output distortion.....................5% < 10%
@ Reference 1 kHz +/-2.5 kHz deviation
-47 dBm RF signal 600 ohm load
Transmitter
Nominal Limit
Transmitter frequency tolerance............................+/-300 Hz
@ Use impedance matching network
50 ohm impedance
Transmitter RF power........................TBD (To be +/-2 dBm
determined)
@ Use impedance matching network
50 ohm impedance
Transmitter audio deviation.................+/-1.5 kHz +/-1 kHz
@ Reference 1 kHz / Input - 15 dBm
Transmitter audio distortion................2% < 5%
@ Reference 1 kHz / Input - 15 dBm
Transmitter audio S/N.......................> 40 dB > 35 dB
@ Reference 1 kHz / Input - 15 dBm
Transmitter audio frequency response
@ Reference 1 kHz
300 Hz......................................-1.0 dB +/-2 dB
3 kHz.......................................+5.0 dB +/-2 dB
Transmitter maximum deviation
@ Reference 1 kHz / Input +5 dBm
Telephone hybrid isolation
@ Reference 1 kHz +/-2.5 kHz deviation
600 ohm.....................................< +/-2.0 kHz < +/-2.5 kHz
900 ohm.....................................< +/-2.0 kHz < +/-2/5 kHz
REMOTE UNIT (RF SECTION)
Receiver
Maximum usable sensitivity..................-110 dBm < -107 dBm
@ 1 kHz +/-2.5 kHz deviation
12 dB SINAD
6 dB usable bandwidth.......................+/-6.0 kHz +/-3.0 kHz
@ 1 kHz +/-2.5 kHz deviation
12 dB SINAD
Modulation acceptance bandwidth.............9.0 kHz +/-3 kHz
@ 1 kHz +/-2.5 kHz deviation
12 dB SINAD
Image rejection.............................> 35 dB > 25 dB
@ 1 kHz +/-2.5 kHz deviation
-910 kHz from receiving frequency
Maximum signal to noise.................... 60 dB > 50 dB
@ Reference 1 kHz +/-2.5 kHz deviation
Reference -47 dBm
Receive frequency response
@ Reference 1 kHz +/-2.5 kHz deviation
Reference -47 dBm
300 Hz......................................+3.0 dB +/-2 dB
3 kHz.......................................-11.0 dB +/-2 dB
Nominal Limit
Audio output level..........................220 mV +/-40 mV
@ Reference 1 kHz +/-2.5 kHz deviation
Reference -47 dBm
Audio output distortion.....................3% < 5%
@ Reference 1 kHz +/-2.5 kHz deviation
Reference -47 dBm
Transmitter
Transmitter frequency tolerance........................... +/-300 Hz
Transmitter power level.....................3.0 dBm +/- 2 dB
@ Use impedance matching network
50 ohm impedance
Mike modulation sensitivity................ +/-1.8 kHz +/-0.5 kHz
@ 1 kHz audio signal
8 mV 0 ohm impedance
Transmitter audio distortion............... < 2% < 5%
@ 1 kHz 15 mV input
Transmitter frequency response
@ Reference 1 kHz
300 Hz..................................... -3.0 dB +/-2.0 dB
3 kHz...................................... +5.0 dB +/-2.0 dB
Transmitter maximum deviation.............. +/-4.0 kHz +/-1 kHz
@ Reference 1 kHz
150 mV input
Power drain @ 2.55 V
Standby (Power save mode is removed)....... < 18 mA +/-20 mA
Talk....................................... < 45 mA < 50 mA
Battery low voltage........................ 2.1 V 3.2 V - 3.4 V
Charger current............................ 25 mA +/-5 mA
@ Using full charged battery
TELEPHONE SECTION
Dialing
Pulse dialing
@ (Using 1075 telephone analyzer)
M/B ratio.................................40% +/-2.0%
pps.......................................10 pps +/-0.5 pps
Interdigital interval.....................TBD (To be determined)
Tone dialing
@ (Using 1075 telephone analyzer)
Twist.......................................2 dB +/-2 dB
Nominal Limit
High group level............................-6 dB > -7.5 dB
Interdigital interval.......................TBD (To be determined)
Frequency tolerance........................................+/-1.5%
Loudness Rating
Receiver loudness rating
Artificial line 0 kft.....................TBD (To be determined)
Transmitter loudness rating.................TBD (To be determined)
DC Characteristics Resistance...............180 ohms
Bell Start Voltage..........................130 VDC 105 VDC
Electronics Static Discharge
Normal case Using DN-6......................15 kV 10 kV
(All operations function)
Worst case Using DN-5.......................15 kV 15 kV
(No parts are broken)
High Voltage Test
Rising 30 sec./ Stay 60 sec.................1000 V/10 mA 1000 V/10 mA
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 that still might be considered acceptable; in no case
should a unit fail to meet limit specs.
(km-04/04/1997)
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