TS-440S

(GENERAL)

Transmitter frequency range :

Receive frequency range : Mode :

Antenna impedance : Power requirement : Power consumption:

RX no signal input : TX :

Frequency configuration : RX unit :

TX unit : (A1,A3J,A3,FSK ) (F3 )

SPECIFICATIONS

160m BAND

1 .8 —

 

2 .0MHz

80m BAND

3 .5 —

 

4 .0MHz

40m BAND

7 .0 —

 

7 .3MHz

30m BAND

10

.1

10

.15MH z

20m BAND

14

.0

--

14

.35MH z

17m BAND

18

.068 — 18 .168MH z

15m BAND

21

.0 — 21

.45MH z

12m BAND

24

.89 — 24 .99MH z

10m BAND

28

.0 — 29

.7MHz

100kHz — 30MH z

Al (CW), A3J(SSB), A3(AM), F1 (FSK), F3(FM ) 50 Ohm (TX : 20— 150 Ohm with AT )

12 .0-- 16 .0V D C

Approx . 1 .9A

Approx . 20A

1st IF 45 .05MHz, 2nd IF 8 .83MHz, 3rd IF 455kH z 1st IF 455kHz, 2nd IF 8 .83MHz, 3rd IF 45 .05MH z 1st IF 36 .22MHz, 2nd IF 45 .05MH z

(

Semiconductors :

Dimensions :

(TRANSMITTER )

Ratead final power input :

Carrier supression :

Unwanted sidebande supression : Harmonic content :

Transmit frequency character : Maximum frequency diviation (FM) : Microphone impedance :

CW, SSB, AM, FSK, FM : Triple conversion superheterodyn e

FM : Double conversion superheterodyne

 

TS-440S

TS-440S (with AT )

Tr's

1 57

1 7 4

FET's

22

22

IC's

49

58

Diod's

257

27 7

 

TS-440S

TS-440S

with AT )

 

W(mm)

270 (279)

270

(279)

 

H(mm)

96 (108)

96

(108 )

 

D(mm)

313 (335)

313

(335)

(

 

 

 

 

Weight(kg)

6 .3

7 . 3

 

The numbers in the parenthesis include protections .

More than 40d B More than 50d B Less than -40d B 400--2600Hz (—6dB ) ±5k H z

50052 - 50k g

2

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Kenwood PS-430, PS-50, SP-430, MB-430, AT-440, VS-1, YK-88SN, YK-88CN specifications TS-440S, Semiconductors Dimensions

SP-430, VS-1, PS-430, AT-440, YK-88C specifications

The Kenwood MB-430, PS-50, YK-88S, YK-88CN, and YK-88SN are notable components that enhance the capabilities of Kenwood's transceiver products, particularly in the amateur radio segment. Each of these units plays an essential role in expanding functionality, improving performance, and providing users with valuable features that are beneficial in various communication scenarios.

Starting with the Kenwood MB-430, it serves as a versatile mobile bracket designed for specific Kenwood radio models. The MB-430 enhances mobility, allowing operators to mount their radios securely in vehicles or portable setups. Its sturdy construction ensures reliability during operation, and it offers a simple installation process, making it user-friendly for both beginners and seasoned enthusiasts.

The PS-50 power supply is a crucial accessory that complements Kenwood's transceiver line. This power supply is known for its compact design, providing 13.8 V DC output, which is essential for powering radios effectively. With a current rating that adequately supports various transceivers, the PS-50 is equipped with short-circuit protection and thermal overload features. These safety mechanisms protect both the power supply and the connected equipment, making it a dependable choice amongst operators.

The YK-88S, YK-88CN, and YK-88SN are all filters that enhance the performance of Kenwood transceivers. The YK-88S is a high-performance SSB filter, designed to improve the clarity of SSB signals while reducing adjacent channel interference. It offers narrow bandwidth options that facilitate more precise tuning, making it particularly valuable in crowded band conditions.

Meanwhile, the YK-88CN is known for its crystal filter technology, optimizing the transceiver's performance for CW and digital modes. This filter helps in eliminating unwanted noise, allowing operators to enjoy clearer reception and improved decoding of weak signals.

The YK-88SN, similar in function to the YK-88S and YK-88CN, provides additional narrow filtering options, enhancing the agility of transceiver operation in various modes. It effectively enhances selectivity and reduces interference from strong signals, providing a cleaner audio output.

Together, these components contribute to a seamless operating experience for amateur radio enthusiasts. Whether enhancing filter characteristics, providing reliable power, or ensuring secure mobility, the MB-430, PS-50, YK-88S, YK-88CN, and YK-88SN demonstrate Kenwood’s commitment to quality and performance in the radio communications field.