Specifications - Kenwood TM-401A Instruction Manual

8. SPECIFICATIONS
For users other than Europe and England, refer to this specifications.
[General]
SOMIcONdUCtONS.. sia. .ccccscccsd6 0008s csvonsscensees seessscaeeees MPU 1
ICs 18
Transistors 48
FETs 5
Diodes 43
Frequency range .. -.430.0 to 440.0 MHz (440.0 to 450.0 MHz for USA)
Anntenna impedance
Power requirement
Grounding...
Operating temperature ..
External speaker impedance.
Current drain
+-13.8V DC+15%
Negative
2 20°€ to. +50°C
..8 ohms
..Less than 0.5 A in receive mode with no input signal
Max. 3.8 A in Hi transmit mode
1.6 A in LOW transmit mode (Approx.)
DRORSIONS coc osiscsnssscsassanneeraacisieceraaxedeesdekeanessecins 141 mm wide (5-17/32")
39.5 mm high (1-17/32")
183 mm deep (7-3/16")
projections not included
Weighitiscsccacsveceaices ceceeunetacsanss oveeasiereeni maces 1.25 kg (2.75 Ibs)
[Transmitter]
RF output power (at 13.8V DC, 500 load) ................ HI 12 Watts min.
Low 1 Watt approx.
Modulation sic coca se sus seaecceaseesaeaayesezsecsnedgtaaes eis Reactance
Frequency tolerance (— 20°C ~ + 60°C)
Spurious radiation
..Less than +15x 10°
.-HI Less than —60 dB
LOW Less than —60 dB
wot 5kHz
..Less than 3% (300 Hz~ 3000 Hz)
Maximum frequency deviation (FM)
Audio distortion (at 60% modulation)
[Receiver]
Circuitry
Intermediate frequency..
..-Double superheterodyne
«-1st 21.60 MHz
2nd 455 kHz
Receiver sensitivity ................cccecsccceeseseeeeeseeneneeee SINAD 12 dB less than 0.2 pV
S+N/N more than 50 GB at 1.0 mV input
Receiver selectivity ..............cccccccccesseceeeeeeseeeeseeeees More than 12 kHz (—6 dB)
Less than 24 kHz (—60 dB)
Spurious 16SPONSG jsis0.ccccsvessciceccsczassatesaaessizascesaers Better than 65 dB (except f-IF/2)
Squelch sensitivity...
Auto scan stop level.
.-Less than 0.16 nV (threshold)
..Less than 0.2 nV (threshold)
Audio Output ...............ceseeeeeeeeeeeceeeeeeeeeeneeeeeneeesees More than 2.0 watts across 8 ohms load (5% dist.)
[Auto patch microphone (MC-48) supplied] —— For U.S.A. version only
SOMICONGUCEONS W.....20c000cecciesecnssaccseesteenennensceeracns IC 1
Transistors 3
Diodes 3
WD ODRNCE a nite sine nity Seseosgiedeseunsaaius acneseeouavesias eevee 500 ohms
Note: Circuit and ratings are subject to change without notice due to developments in technology.
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