Midland Radio 77-255ESP manual Technical Specifications General, Transmitter, Channels

Models: 77-255ESP

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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

05

162.450

 

00

163.275

 

 

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

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Midland Radio 77-255ESP manual Technical Specifications General, Transmitter, Specification - Weather Receiver, Channels