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TS-711 144 MHz ALL MODE TRANSCEIVER | Radioaficion Ham Radio

TS-711 144 MHz ALL MODE TRANSCEIVER

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Kenwood TS-711A/E 144 MHz ALL MODE TRANSCEIVER

Manufactured: Japan, 1984 (Discontinued)

Kenwood TS-711 144 MHz ALL MODE TRANSCEIVER

FEATURES

DCS = Digital Code Squelch DCS uses digital code information to open squelch on a receiver that has been programmed to accept the specific code being transmitted. The system recognizes 100,000 different 5 digit code signals, making it possible for each station to have its own "private call " code, as well as to have "group call" or "common call' code. DCS is also effective in suppressing unwanted signals.

COMPACT DESIGN 144 MHz ALL MODE TRANSCEIVER capable of AC or DC operation.

HIGH STABILITY Dual 10 Hz step digital VFO design, incorporating a single Temperature Compensated Crystal Oscillator for the ultimate in stability.

HIGHLY VISIBLE FLUORESCENT TUBE DISPLAY.

40 CHANNEL MEMORY Frequency, mode, dial data, TX offset and sub-tone data can be memorized.

AUTO MODE SELECTION Automatically selects the proper mode for the band segment selected.

MANUAL MODE SELECTION Simple pushbutton switching. The first letter of each mode is announced in Morse Code thru the built in speaker.

MULTIFUNCTION MAIN TUNING DIAL Easily selected continuous tuning or channelized, click-stop, type tuning is controlled by the CH.Q switch. When in Mch mode, the main dial automatically selects click type tuning.

RIT CONTROL +/- 9.99 kHz in 10 Hz steps is possible.

MICROPROCESSOR CONTROLLED FUNCTIONS SCAN: Programmable band scan, memory

scan.

AL: Priority Alert (MCH 1)

M > V: Memory to VFO

SPLIT: Split Frequency Operation (RXA-TXB or

RXB-TXA)

A = B: For equalizing VFOA and B

CH. S: In VFO mode, allows main dial to select

memory channel. In memory scan mode, specifies channels to be skipped. REV & LOCK: Locks dial mode; reverses split memory channels.

MANUAL FUNCTIONS

  • All mode squelch
  • All mode RF Power control
  • IF shift
  • Speech processor: AF speech processor for SSB and FM
  • RF ATTN: Provides approximately 20 dB of attenuation
  • CW Semi break-in: with adjustable delay

SELECTED OPTIONS

  • VS-1...................................Voice Synthesizer
  • TU-5 (TS-711 A)................ Sub Audible Tone Encoder

PERSONALCOMPUTER INTERFACE Use of the optional interface will allow simple "basic'' language programming of major functions.

SPECIFICATIONS

[General]

Frequency range

  • 144.0 - 148.0MHz.....(TS-711A)
  • 144.0 - 146.0 MHz.....(TS-711 E)

Radio wave mode............................................... A3J (SSB). F2, F3 (FM), A1 (CW)

Antenna impedance........................................... 50 ohms

Operating temperature...................................... -10°C ~ +50°C

Power voltage

  • AC 120V/240V/220V, 50/60 Hz
  • DC 13.8V (12V - 16V)

Grounding........................................................... Negative

Power consumption

  • 1 70W, 6.5A (DC 13.8V) at maximum transmission
  • 50W, 1.2A (DC 13.8V) in receive mode without receiving signal

Frequency tolerance {-108C ~ +50X).... Within ± 3 ppM (SSB/CW) Within ±5ppM(FM)

Frequency stability ±300 Hz 1 - 60 minutes after power on Within 50 Hz/every 30 minutes 60 minutes later (after power on)

Dimensions... W270 x H96 x D260 mm (W279 x H108 x D327 mm) - Projected parts measured.

Weight................................................................. 7.1 kg {15.62 lb)

[Transmitter]

RF output power.. 25 watts (One minute transmission/three minutes reception)

RF output variable from approx. 2W to maximum

Modulation.......................................................... Balanced (SSB), Reactance (FM)

Spurious radiation.............................................. Less than-60 dB

Carrier surpression............................................. Less than -40 dB

Side band surpression........................................ Less than -40 dB

Maximum frequency deviation (FM)................ ± 5 kHz

Modulation distortion (FM60%)........................... Less than 3% (300 Hz - 3 kHz)

MIC impedance.................................................. 500 - 600 Q

[Receiver]

Circuitry............................................................... Double superheterodyne

Intermediate frequency

  • 1st 30.265 MHz
  • 2nd 10.695 MHz (SSB/CW), 455 kHz (FM)

Receiver sensitivity FM

  • 1 2 dB SINAD less than 0.22 uV.....(TS-711 A)
  • 1 2 dB SINAD less than 0.2 uV.....(TS-711 E)

S + N/N more than 50 dB at 1.0 mV input

SSB/CW.......................... S + N/N 10dB less than 0.16 /uV.....(TS-711 A)

S + N/N 10 dB less than 0.13 /A/.....(TS-711 E)

Receiver selectivity FM...... More than 12 kHz (-6 dB) Less than 24 kHz (-60 dB)

SSB/CW.............. More than 2.2 kHz (-6 dB) Less than 4.8 kHz (-60 dB)

Spurious response.............................................. Better than 70 dB

Squelch sensitivity............................................. Less than 0.1 6 //V (threshold)

Auto scan stop level........................................... Less than 0.2 //V (threshold)

Audio output power.................. More than 2.0 watts across 8 ohms load (5% dist.)

Audio output impedance................................... 8 ohms

[DCS control]

Code..................................................................... NRZ equal-length code

Modulation.......................................................... MSK modulation

Frequency deviation

  • ± 2.5 kHz or more
  • ±5 kHz or less
  • ±3.5 kHz Standard

Mark frequency and deviation.......................... 1200 Hz ± 200PPM

Space frequency and deviation......................... 1800 Hz ± 200 PPM

Code transmission speed and deviation.......... 1 200 bits/second ±200 PPM

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