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MIDLAND 77-120ESP User Manual

Page 10

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10

only noise. With this new patented sound control system you will find
yourself using your CB more thereby increasing your safety and enjoyment.


TECHNICAL SPECIFICATIONS

GENERAL



Frequency range ..........................................................................26.965-27.405 MHz
Channels ..............................................................................................................40
Modulation type ...................................................................................................AM
Antenna impedance .......................................................................................50 Ohm
Loudspeaker ...................................................................................................8 Ohm
Microphone ..................................................................................................Electret
Power Supply ....................................................................13.8 VDC negative ground

RECEIVER

( CB, 26.965-27.405 MHz )


Sensitivity at 10db S/N......................................................................................0.6 uV
Selectivity .............................................................................................6 db @ 5 Khz
Squelch range ......................................................................................0.5 uV-500 uV
Audio output power ..................................................3.0 W @ 8 Ohm ( 10% distortion)
Distortion at 1000 mV ............................................................................................3%
Audio frequency response ........................................................................400-2400 Hz
Intermediate frequency .......................................................I ° 10.695 MHz II ° 455 Khz
Spurious response ................................................................ .............more than 45 db

TRANSMITTER


RF Output Power ................................................................................................4.0 W
Frequency Tolerance .........................................................................................0.005%
Harmonic Suppression ..........................................................................More than 60 db
Modulation ...........................................................................................AM 90% ( ± 5%)

SPECIFICATION - WEATHER RECEIVER


CHANNELS
00 163.275

05 162.450

01 162.550

06 162.500

02 162.400

07 162.525

03 162.475

08 161.650

04 162.425

09 161.775


Sensitivity _________________________________1.0 uV for 20 db
Audio Power _______________________________3.0 W
Audio Load ________________________________8 ohms
Intermediate Frequency ______________________455 Khz