Kenwood TS-780 - Handbuch (Seite 3)

TS-780 SPECIFICATIONS
GENERAL
Frequency Range.. ..................................... .144.0~ 1 4 6 . 0 M H z
4 3 0 . 0 ~ 4 4 0 . 0 M H z
Mode ........................................................ SSB (USB, LSB), CW, FM
Antenna impedance .................................. ..5 0 (144 MHz, 4 3 0 M H z )
Voltage Requirements ................................ ..22 0 V AC, 50/60. Hz
1 3 . 8 V
Power Consumption .................................... Receive (no Signal): 45 Watts (220 V AC), 1.2 A (13.8 V DC)
Transmit: 130 Watts (220 V AC), 5 A (1 3.8 V DC)
Backup current (Battery) ............................ ..Les s than 10 yA
Semiconductor Complement.. ..................... ..Transistors: 1 4 9
FETs: 3 5
ICs: 41
Diodes: 1 9 5
Dimensions.. ............................................. .290 (W) x 124 (H) x 322 (D) m m
(1 1 “-7/16)x (4”.7/8)x (12”-5/8)
W e i g h t . . ................................................... . l O . l kg (22.2 Ibs)
TRANSMITTER SECTION
RF Power Output ........................................ SSB, CW, FM: 1 0 Watts
FM (LOW): Approx. 1 watt
Modulation ............................................... .SSB: Balanced modulation
FM: Variable reactance frequency shift
Maximum frequency deviation (FM) ............... 5 kHz
Carrier Suppression ..................................... Better than 4 0 dB
Unwanted Sideband Suppression .................. .Better than 40 dB
Spurious Radiation .................................... ..Bette r than - 60 dB
Microphone Impedance ............................... ,500 ~ 600
AF Response of Transmitter (SSB) ................ .400~ 2600 Hz (- 9 dB)
Repeater Frequency Shift - ............................. 600 kHz or + 600 kHz (144.0~ 146.0 MHz)
- 7 . 6 M H z o r - 1 . 6 M H z ( 4 3 0 . 0 - 4 4 0 . 0 MHz)
RPT Tone Frequency ................................... 1 7 50 Hz
RECEIVER SECTION
Receiver Sensitivity .................................... .SSB, CW: 0.2 yV for 10 dB (S + N)/N
FM: 1 yV for 30 dB (S + N)/N
0.2 yV for 12 dB SINAD
Intermediate Frequency .............................. .l st: 3 0 . 8 6 5 M H z
2 n d : 1 0 . 6 9 5 M H z
3rd: 455 kHz (FM only)
Squelch Sensitivity.. ................................... .O. 1 6 yV (At threshold)
Audio Output ............................................ .2.0 Watts (with less than 10% distortion) into an 8 ohm load
Receiver Selectivity .................................... .SSB, CW: 2 . 2 k H z ( - 6 dB)
4 . 8 k H z (-60 dB)
FM: 1 4 k H z ( - 6 dB)
30 kHz (- 60 dB)
Circuit and ratings are subject to Change without notice for improvement.
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