Sommerkamp TS-664S Manuel utilisateur

CITIZENS BAND TRANSCEIVER

INSTRUCTION MANUAL

MODEL.: TS-664S

SPECIFICATIONS for TS -664S

Semicond ctors : 2 Integrated Circ its,

2 FET, 16 Transistors.

1 SCR, 22 Silicon diode.

1 Varicap, 3 Zener diode.

Transmitter System: Synthesized Crystal controlled.

Coliector mod lation AM.

Freq ency: 64 Channels on 27 MHz.

Inp t Power: 10 Watts at 13.8V DC.

Band Width : 8 KHz. (max.) ,

Antenna impédance: 50-52 ohms.

Receiver System: Do ble conversion s perheterodyne,

crystal controlled.

Sensitivity: 1/iV or better for lOOmW o tp t,

10 dB signal to noise ratio.

Intermediate Freq ency: Ist 1. F. 10.7 MHz, 2nd I.F. 455KHz.

Receiver Selectivity: 40 dB down at 10 KHz. or more.

Sq elch Sensitivity: 2 A.

A dio O tp t Power: 2 watts in 10% distortion.

Power So rce: 11—16V D. C. Negative Gro nd.

F se 5A.

Microphone: Dynamic type with press-talk switch.

Impédance 500 ohm.

Speaker: Dynamic type, Voice coil Impédance 8 ohm.

Size: 156X58X205 mm.

Weight: 2.3 kg.

Accessories: Mo nting b Mo nting hardware,

power cord.

SOMMERKAMP ELECTRONIC SAS

СН-БЭОЗ LUGANO, RO. BOX 17Б .

SWITZERLAND

TEL. 91 080543 TELEX: 79314

CONTROL LOCATIONS:

EXT. SP. JACK' PRESS-TO-TALK BUTTON

MICROPHONE

MOBILE-

BRACKET

POWER-SW/VOLUME

KNOB

SQUELCH/ANL-OFF-

KNOB

RF POWER & "S" METER

RECEIV1NG LIGHT—

CHANNEL SELECTOR KNOB CALL BUTTON

-MICROPHONE JACK (CALL CIRCUIT OPTION)

-TRANSM1TT1NG LIGHT

PACKING LIST

Beside this man ał, the carton shall contain the following items:

1. Transceiver TS-664S.

1. Mo nting bracket.

4. Screw for Mo nting bracket.

1. Microphone hanger.

1. Microphone.

GENERAL DESCRIPTION

Yo r SOMMERKAMP TS-664S transceiver has been désignée! for contino s

heavy d ty mobile and base station application.

It сап be operated with a microphone and internal speaker or handset, speaker/

microphone combination, telephoneset incorporating a tomatic voice operated

transmit/receive switching, external sélective calling with a tomatic answer

back and many more.

GENERAL

The transceiver is designed to operate from 12 Voit DC powers pply as a

base or mobile station. It’s straght forward 64 channel capability allows it to

operate on any channel within 26.965. and 27.595 MHz.

RECEIVER SECTION

The receiver section is designed to receive amplit de mod lated (AM/A3)

signais in the 26.965 to 27.595 MHZ. (11 meter) citizens band .

The niq e combination of low noise Field Effect Transistor (FET), do ble

conversion, a combination of mechanical ceramic, and L/C filters, f i ly a to

matic noise limiter (ANL) and a hifi q ality speaker amplifier will give yo

exceptional réception q ality in this fine piece of eq ipment.

In addition, the above combination of the latest technology provides yo with

a sensitivity and nwanted signal rejection and noise s ppression available

previo sly only in space and military comm nication eq ipment.

The power s pply of the receiver RF. IF. and oscillator section is stabilized

by an extreme sharp c t-off Zener diode to obtain the high sensitivity and

nwanted signai rejection. The f ily a tomatic sériés gâte noise limiter, which

virt ally c ts off the a dio o tp t d ring ignition noise p ises, is defeatable

to make even the weakest signal a dible which otherwise wo ld be e t off

by the threshold level of the ANL switching diode.

The high sq elch sensitivity is achieved by sing a seperate sq elch detector

and switching circ it with a caref lly balanced hystérésis. The trans-

formerless hifi q ality a dio power amplifier will drive any load between 8

ohms and indefininite s ch as internai speaker or external speaker/microphone

or headset combinations having the above impédances.

The meter indicates the field strength d ring réception of a signal.

— 3

TRANSMITTER &. MODULATOR SECTION:

The trasmitter section is designed for contino s heavy d ty transmission of

amplit de mod lated (AM/A3) signais in the 26.965 to 27.595 MHz. (11 meter)

citizens band.

The transmitter consists of 2 crystal controlled oscillators incorporating 20

crystals. The o tp t of these oscillators are synthesized in a dass B mixer,

followed by a do ble t ned filter, Class ABI b ffers, and a highly efficient

collector-mod lated class C driver and power o tp t stage, co pled by séries

and pi-matching filters to the antenna jack.

The mod lator consists of an inp t a dio filter, ALC amplifier integrated pre-

and power amplifier and mod lation transformer. This gives yo the lowest

possible mod lation distortion and p to 100% mod lation.

The inp t is designed for 500 ohm dynamie microphone or 32 ohm speaker/

microphone combination with a 1K ohm resistor in sériés.

RECEIVE/TRANSMIT S ITCHING

The receive/transmit switching is done by a single pole, single throw switch

in the microphone and a combination of NPN and PNP switching transistors.

METER

The combination meter provides yo with the following f nctions:

D ring receive mode

..............

it indicates the incoming signal strength.

D ring transmit mode

..........

it indicates the o tp t power.

MOBILE INSTALLATION

Mo nting bracket and screws are s pplied for mo nting the transceiver nder-

neath the dashboard. Microphone hanger and screws are also s pplied. For

electrica! connection, first make s re that the transceiver is t rned off.

Connect the red wire to the ACC terminal of the ignition switch or + terminal

of battery and gro nd the black wire to the chassis of the rehicle. The black

wire sho ld be gro nded as short as possible to minimize noise interférence.

This transceiver is designed for se with the negative gro nd system.

- 4

50 OHM ANT.

Connect the antenna pł g to the antenfia jack with an SWR-Meter inserted

into the antenna cable.

Connect the microphone to the microphone jack.

Switch the transceiver ON.

The receiving, meter and the channei iamp, shali light p.

T rn the sq eich control to min. (ANL OFF)

T rę the Vol me controi to max. Until yo hear a r shing so nd from the

speaker.

Swith the channei selector to CH. 1.

P sh the transmit b tton on the microphone and check with the SWR-Meter

Immediately the SWR of yo r antenna.

The SWR m st be less than 1 to 2. Do this within 3 seconds, beca se if the

SWR is higher than 1 to 2 it is very likely that the transmitting transistors

will be damaged if yo operate the. transmitter too long with a antenna

having a too high SWR. Also read caref lly the recommendations on

antennas.

NOTE: In case the SWR is too high, the A tomatic protection circ it will

switch off the transmitter.•'

If the SWR is less than 1 to 2 contin e Checko t, if it is more than 1 to 2

repair or replace yo r antenna.

Check that the meter needle is near the red mark d ring transmitting. Talk

into the microphone. The meter needle shall move a little. Release the trans

mit b tton and switch the channel selector to channel 1,2 etc. ntil yo

receive a station.

Wait ntil this station stops to transmit and t rn the Sq elch control slowly

to max. Until the backgroun noi.se just isappears. When the station Starts

to transmit again, yo will hear this station, b t yo will not hear the back

-gro nd noise d ring non transmitting periods.

OPERATING INSTRUCTONS

The transceiver is ready to operate when it is installed with an antenna

properly connected. Note that the comm nication range differs depending pon

the environment where the transceiver is operated.

Yo may reach 30 or 40 kilometers where no obstacle exists, b t the range

may be limited to 5 or 6 kilometers in cities where many high b ildings

dist rb the comm nication.

1) T rn the set on by switching the LOW CH-OFF-HIGH CH. snap switch to

the desired channel range and the channel dial will be lighted. T rn

the vol me control clockwise to increase the a dio so nd. Note that the

vol me control knob is only for adj sting the a dio vol me, not to in

crease the transm itting power.

2) Set the DELTA-TUNE for best réception.

3) T rn the sq elch control clockwise ntil incoming noise is eliminated. Do

not t rn it excessively as the sensitivity may be red ced.

4) T rn the sq elch control co nter-clockwise to switch off the ANL

(A tomatic Noise Limiter).

5) T rn the channel selector knob to the desired channel.

6) For transmitting, press the b tton on the microphone and speak into it

normally. Release the b tton for receiving.

METER

The meter reading indicates the signal strength at receiving, and f nctions as

an o tp t indicator at transmitting, and the meter pointer sho ld be within

the red zone nder the normal conditions.

CIRCUIT PROTECTION INDICATION LAMP

The lamp is on when the antenna is mismatched, and the transmitting circ it

will be e t off.

COMPLETE PARTS LAYOUT

SW-l CHANNEL SELECTOR НОТА frf SW.

I 1 —

BLOCK DIAGRAM

PARTS LIST for TS-664S

DESIGNATION PARTS NAME PARTS N0.

MP-201 Front Frarne. 483014-S

MP-202В Chassis Frame. 502035

MP-203В Back Pannel. 504327

MP-105 Cabinet Cover (Upper). 483016

MP-124 Cabinet Cover (Lower). 502034

MP-107 Mo nting Bracket. 484085

MP-303 Front Plate (L). 494187-L

MP-304 Front Plate (R). 494187-R

MP-360 Brand Plate. 504326

MP-361 Back Plate. 504327

MP-ПО Mo nting Bracket for Meter. 484064

MP-208 Mo nting Bracket for O tp t Transformer. 484080

MP-362 Heatsink for IC. 504300

MP-353 Heatsink for 2SC1237 (2SC1307) A. 494251

MP-354 Heatsink for 2SC1237 (2SC1307) B. '494252-

MP-211 Meter Lamp Reflection plate. 484063

MP-212 Channel Indicator Screen. 484107

MP-214 Mo nting Bracket for Channel Lamp. 484108

MP-111 Call Switch Contact. 484086

MP-112 Call Switch Spring. 484087

MP-307 Knob for Delta t ne Control. 494199

MP-117 Knob for Channel Selector. 484116

MP-17 Knob for Vol./Sq . Control. 474011

MP-118 N t for Channel Selector. 484073

MP-120 Screw for Mo nting Bracket. 484098

MP-363 Channel Indicator Plate. 504325

MP-356 Heatsink. for 2SC495 (2SC1957). 494250

MP-19 Call B tton. 484056

MP-5 Mo nting Bracket for Speaker. 474038

MP-109 Mic Jack Mo nting S pporter. 484084

J2 EXT. Speaker Jack. SJ-296

J1 Antenna Jack. MRM/INCH

J3 Microphone Jack DIN Type 7P. CS 279

13 -

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