2 INSTALLATION

Pin No. Pin Name

1NC

2NC

3ANO

4GND

5PSQ

6SMET

7NC

8 GND

Function

Not connected

Not connected

Audio output from receiver

¥Connect to TNC or MCP receive data pin for digital operation.

¥Audio level is independent of AF gain control setting.

¥Audio level can be changed via Menu No. 21 (PKT.OUT) {page 25}.

¥Output impedance: 4.7 k

Shield for Pin 3

Squelch control

¥Connect to TNC or MCP squelch control pin for digital operation.

¥Prevents the TNC from transmitting while the receiver squelch is open.

¥ Squelch open: Low impedance

¥ Squelch closed: High impedance

S-meter output

 

Not connected

 

Chassis ground

 

9

PKS

Transceiver PTT line control

 

 

¥ Connect to TNC or MCP transmit/receive switching pin for digital operation.

 

 

¥ Microphone audio input is muted when the transceiver is switched to transmit.

10

NC

Not connected

11

PKD

Microphone audio input

 

 

¥ Connect to TNC or MCP transmit data pin for digital operation.

12

GND

Shield for Pin 11

13

SS

PTT control (in parallel with MIC jack) for connecting a footswitch or other external controller

Black

Red

TNC/MCP

 

power

 

supply

 

TNC/MCP

TS-870S

PS-52

Personal computer/

 

dumb terminal

13

 

9

10

11

12

5

6

7

8

1

2

3

4

ACC 2 Connector (Rear Panel view)

7

Page 13
Image 13
Kenwood TS-870S instruction manual Pin No. Pin Name, ANO GND PSQ Smet, Pks, Pkd

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.