User's Manual
1-6
TABLE 1-2 TSC-4400 LEADING PARTICULARS (Continued)
TRANSCEIVER MODULE:
Dimensions & Weight:
Width ......................................... 216 mm (8.5 in) MAX
Height ........................................ 70 mm (2.75 in) MAX
Depth .......................................260 mm (10.25 in) MAX
Weight .......................................1.8 Kg (3 lb 15 oz) MAX
TRANSMITTER:
Power Output ................................... Adjustable 2-7 Watts
Audio Input .....................................0.05 Vrms to 2.0 Vrms
Speech Processor Dynamic Range ................................. 35 dB
Modulation ..............................................95% MAX
Audio Distortion @ 90% mod (Low Power) .........................7% MAX
Audio Distortion @ 90% mod (with Linear Amplifier at High Power) .......10% MAX
Audio Frequency Response ....................300 Hz to 2,500 Hz, +1, -3 dB
Spurious Emissions ................................. 60 dB below carrier
Hum and Noise .............................45 dB below modulated carrier
RECEIVER:
RF Input Impedance ................................50S, VSWR 2:1 MAX
Sensitivity (12 dB SINAD) @ 1 kHz 30% Mod ...................... 1.5 µvolts
Selectivity, 25 kHz Channel Spacing:
Bandwidth at 6 dB Points ....................... Greater Than 15 kHz
Bandwidth at 60 dB Points .........................Less Than 22 kHz
Selectivity, 8.33 kHz Channel Spacing:
Bandwidth at 6 dB Points ....................... Greater Than 10 kHz
Bandwidth at 60 dB Points .........................Less Than 15 kHz
Adjacent Channel Selectivity (25kHz and 8.33kHz) ........... Greater Than 80 dB
Spurious Response Attenuation ..........................Greater than 90 dB
Frequency Stability (-40EC to +55EC) ..................... ±1,000 Hz MAX
RF AGC (5 µvolts to 1 volt) ............... Audio Level change of less than 3 dB
Intermodulation:
Ultimate Sensitivity ...................................... 70 dB
30 µvolts ............................................. 45 dB
300 µvolts ............................................ 30 dB
Unwanted Radiation .......................... Less than 80 µvolts into 50 S
Hum & Noise @ 1mV RF 30% MOD ............................... 40 dB
Loudspeaker Output .................................. 3 W MAX
Phone Output ................................ 100 mW into 600 S
Audio Distortion 1mV RF Input, 30% MOD ...................3% MAX
Audio Distortion 1mV RF Input, 90% MOD .........................5% MAX
Audio Output Limiting .................... Less than 1 dB @30 to 100% MOD
Audio Frequency Response 300 Hz-2500 Hz ....................... +1 -3 dB
Audio Acquisition Time .............................. Less than 50 msecs
Audio Squelch Characteristics:
Squelch Type ........................... Noise and Carrier Operated
Carrier Operated Squelch ......................... Adjustable 1 to 10 µvolts