SPECIFICATIONS

GENERAL

TRANSMITTER

Mode

 

 

 

 

J3E (LSB, USB), A1A (CW), A3E (AM),

 

 

 

 

F3E (FM), F1D (FSK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of memory channels

 

 

 

 

 

100

 

Antenna impedance

 

 

 

 

 

50

 

 

 

 

 

(with Antenna Tuner 20 ~ 150 )

 

 

 

 

 

 

 

Supply voltage

 

 

 

 

DC 13.8 V ± 15%

 

 

 

 

 

 

 

 

Grounding method

 

 

 

 

Negative ground

 

 

 

 

 

 

 

 

 

Current

Transmit (max.)

 

20.5 A

 

 

 

 

 

 

 

 

 

Receive (no signal)

 

2 A

 

 

 

 

 

 

Usable temperature range

 

 

 

 

–10°C ~ 50°C (+14°F ~ 122°F)

 

 

 

 

 

 

 

 

Frequency stability (–10°C ~ 50°C)

 

Within ±10 PPM

 

 

 

 

 

 

 

 

Frequency accuracy (at room temperature)

 

Within ±10 PPM

Dimensions [W x H x D]

 

 

 

 

330 x 120 x 334 mm / 13.0 x 4.72 x 13.1 in

(Projections included)

 

 

 

 

(339 x 135 x 375 mm / 13.3 x 5.31 x 14.8 in)

 

 

 

 

 

 

 

 

Weight

 

 

 

 

Approx. 11.5 kg (25 lbs)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.02

 

 

 

 

160 m band

1.81

~

MHz

 

 

 

80 m band

3.5

~

4.03

MHz

 

 

 

40 m band

7.0

~

7.34

MHz

 

 

 

30 m band

10.1

~ 10.15

MHz

Frequency range

20 m band

14.0

~ 14.35

MHz

 

 

 

 

 

 

 

 

 

 

17 m band

18.068 ~ 18.168 MHz

 

 

 

 

 

 

 

 

 

 

 

 

15 m band

21.0

~ 21.45

MHz

 

 

 

 

 

 

 

 

 

 

 

 

12 m band

24.89

~ 24.99

MHz

 

 

 

10 m band

28.0

~ 29.7

MHz

 

 

 

SSB, CW,

 

Max.

 

100 W

 

Output power 5

FSK, FM

 

Min.

20 W or less

 

AM

 

 

Max.

 

25 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Min.

20 W or less

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SSB

 

 

Balanced

 

Modulation

FM

 

Reactance

 

 

 

 

AM

 

 

Low level

 

Spurious emissions

 

 

 

 

–60 dB or less

Carrier suppression

 

 

 

 

50 dB or more

 

 

 

 

 

 

 

 

Unwanted sideband suppression

 

50 dB or more

(modulation frequency 1.0 kHz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum frequency deviation

 

 

Wide

 

±5 kHz or less

(FM)

 

Narrow

 

±2.5 kHz or less

 

 

 

 

 

 

 

Transmit frequency characteristics (–6 dB)

 

300 ~ 2600 Hz

(TX lower cutoff: 300 Hz, TX bandwidth: 2.3 kHz)

 

 

 

 

 

 

 

 

 

 

 

 

XIT shift frequency range

 

 

 

 

±9.99 kHz

 

Microphone impedance

 

 

 

 

 

600

 

11.81 MHz: Europe, France, Holland; 1.83 MHz: Belgium, Spain

21.85 MHz: Belgium, France, Holland, Spain

33.8 MHz: Europe, Belgium, France, Holland, Spain

47.1 MHz: Europe, Belgium, France, Holland, Spain

5Belgium, Spain: 10 W fixed on 160 m band

77

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Image 83
Kenwood TS-870S instruction manual Specifications, Fsk, Fm

TS-870S specifications

The Kenwood TS-870S is a distinguished transceiver that stands out in the world of amateur radio, particularly for enthusiasts who seek a blend of advanced technology and user-friendly features. Introduced in the early 1990s, this HF transceiver quickly gained a reputation for its exceptional performance, versatility, and reliability, making it a favorite among operators worldwide.

One of the most noteworthy features of the TS-870S is its direct-sampling technology, which allows for superior signal fidelity and processing. This technology enables the transceiver to operate across a range of 160 meters to 10 meters, catering to both casual and serious operators. Its high-performance 16-bit digital signal processing (DSP) facilitates effective noise reduction and filtering capabilities, enhancing the overall clarity during transmission and reception.

In terms of power, the TS-870S boasts an output of 100 watts, providing ample power for various communication needs. The transceiver is equipped with an automatic antenna tuner, which simplifies the task of matching the antenna to the operating frequency, ensuring optimal performance without the hassle of manual adjustments.

Another significant aspect of the Kenwood TS-870S is its user interface, featuring a large, easy-to-read display, and a logically arranged control layout. This makes it accessible for both novice and experienced operators. The built-in memories allow for quick storage and access to favorite frequencies and settings, enhancing operational efficiency.

The Kenwood TS-870S also includes various advanced features such as an optional 2.4 kHz and 6 kHz roofing filter which provides improved performance in crowded band conditions. The receiver's dual VFOs (Variable Frequency Oscillators) enable simultaneous monitoring of two frequencies, which is particularly useful for operators who need to keep track of multiple signals or engage in cross-band communication.

Apart from its technical specifications, the TS-870S is constructed with durability in mind, ensuring that it can withstand the rigors of frequent use. It supports various operating modes, including SSB, CW, AM, and FM, making it a versatile choice for diverse amateur radio activities.

In conclusion, the Kenwood TS-870S combines advanced technology with user-friendly characteristics, offering amateur radio operators an exceptional tool for communication. With its innovative features, robust performance, and flexibility, it continues to be a respected choice among radio enthusiasts, solidifying its legacy in the realm of amateur radio.