TABLE 1-1. TECHNICAL CHARACTERISTICS (Continued)

TM 11-5820-919-12

TABLE 1-1. TECHNICAL CHARACTERISTICS (Continued)

Characteristic

Description

RECEIVER

Sensitivity

SSB, CW, FSK

0.7iuv for 10 db SINAD

Selectivity

2.5 kHz Bandwidth at -3 db

SSB

6 kHz Bandwidth at -60 db

Image Rejection

70 db

I.F. Rejection

60 db

Audio Output

25 mw into 500fl (nominal)

Audio Distortion

5% at 5 mw, 350 to 3000 Hz

Desensitization (signal

+2.5% to -29 dbm;

to degrade SINAD 3 db)

+10% to -15 dbm;

+50% to + 17 dbm

TRANSMITTER

RF Output Power

0.25w (PEP) for RT-1209, 20w +2 db (PEP or average) with

AM-6874

Duty Cycle

1 minute continuous keydown

9:1 transmit/receive ratio

Intermodulation Distortion (IMD)

-25 db (two equal tones at rated output power)

-50 db

Carrier Suppression

-42 db

Unwanted Sideband Suppression

-45 db

All Other Spurious

-45 to -60 db

BATTERY PACK

Batteries

Primary, Lithium

Storage, NICAD

1-9