Section II Specifications

GENERAL

 

Channels

40.

Frequency Range

26.965 to 27.405 MHz.

Frequency Control

Phase Lock Loop (PLL) synthesizer.

Frequency Tolerance

±130 Hz Typical.

Operating Temperature Range

-30°C to + 50° C.

Microphone

Plug-in type; 600Ω dynamic.

Power Source

120V AC nominal.

 

13.8V DC nominal.

 

(Positive or negative ground).

Power Consumption

Transmit: AM full mod., 65 watts.

 

SSB 70 watts.

 

Receive: Squelched, 30 watts.

 

Full audio, 40 watts.

Current Drain (13.8V DC)

Transmit: AM and SSB, 2.2A DC (nominal).

 

Receive: Full audio output, 1.1A DC

Size

5”(H) x 15”(W) x 4 7/16”(D).

Weight

19 1/2 lbs. (Including speaker).

Antenna Conductor

UHF, S0239.

Semiconductors

12 integrated circuits, 3 FETs,

 

58 transistors, 79 diodes, 1 LCD.

Meter 1

Illuminated; indicates relative power

 

output, received signal strength.

Meter 2

Illuminated; indicates standing wave ratio

 

and level of modulation.

TRANSMITTER

 

Power Output

AM, 4 watts.

 

SSB, 12 watts, PEP.

Modulation

High-and low-level Class B, Amplitude

 

Modulation.

Intermodulation Distortion

SSB: 3rd order, more than -25 dB.

 

5th order, more than -35 dB.

SSB Carrier Suppression

55 dB.

Unwanted Sideband

50 dB.

Frequency Response

AM and SSB; 300 to 2500 Hz.

Output Impedance

50 ohms, unbalanced

Output Indicators

Meter shows relative RF output power

 

and SWR. RX/TX USB/LSB AM ANT. icons on

 

LCD, channel frequency and clock.

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Cobra Electronics 2010 GTL WX operating instructions Section II Specifications, General, Transmitter