Technical Characteristics - TM-11-5820-509-120007

TM 11-5820-509-12

dB with 2.0 microvolts

1-5. Technical Characteristics

rf input and 50 milli-

Ambient temperature

watts minimum audio

range .............................. -40 CC (-40 ) to +60 .

output.

.............................. (+140 .).

Receive selectivity. ................... Response to signals from

Ambient humidity range...... 0 to 100 percent relative.

300 to 3000 Hz above

Altitude range .................... Sea level to 12,000 feet.

selected channel fre-

Power source ...................... With dc power supplies: 24

quency not more than

volt dc silver-zinc battery;

6 dB from response to

26.5-volt dc vehicular

signal 1700 Hz above

supply. With ac power

selected channel fre-

supplies: 115 volts, single

quency; response at

phase, 400 Hz.

least-60 dB at 4600 Hz

Power consumption ............. Transmit: not more than 320

above and 1000 Hz be-

watts (Normal voltage,

low selected channel

average power, voice op-

frequency .

eration).

Receive if. Rejection ................. At least 80 dB down

Receive: not more than 21

Receive image rejection ............ With reference to 5- input

watts (at maximum bat-

signals; 80 dB from

tery voltage and with

2.000 to 5.999 MHz, 60

lights on).

dB from 6.000 to 9.999

Duty cycle (battery. ............. High power: 1minute trans-

MHz, 50 dB from

mit 9 minutes receive for

10.000 to 11.999 MHz.

1 hour

Receive agc characteristics ....... Maximum variation of 10

Low

power 2 minutes

dB for input signals of

transmit 9 minutes re-

5 to 100,000 micro-

ceive or 10 minutes

volts.

transmit. 5 minutes re-

Receive audio output ................ At least 500 milliwatts for

ceive for 1hour.

1000-microvolt input.

Frequency stability ............. 25 Hz for 60 days.

Receive audio distortion. ............ Does not exceed 15 per-

Frequency range ...................2.000 to 11.999 mHz in 1.

cent for 1000-microvolt

khz increments.

rf input signal and 500-

Harmonic spurious

output signal.

emission . ........................ Second harmonic at least 35

Receive overall audio

db down from transmis-

response ................................... Within + 6 dB from 300

sion: all others at least 50

to 3000 Hz with refer-

dB down from transmis-

ence to 1700 Hz.

sion output.

Third order intermod-

Modes of operation........... ... Usb only: voice, cw, or fsk,

ulation products .................. At least 30 dB down.

(modulating frequency is

Transmit carrier sup-

800 Hz).

pression .............................. At least 40 dB down.

Number of channels........... 10,000

Undersired sideband

rejection .............................. At least 60 dB.

Transmit power output

(nominal into 50-ohm load) ...... 100 watts peak envelope

1-6. Items Comprising on Operable

power (high power).20

Equipment

watts peak envelope

power flow power).

a. Components. The components of the Radio set are

Receive sensitivity. ...................... Signal-plus-noise

listed in the following chart:

noise ratio of at least 10

1-2