Manual Cobra 148 NW ST (page 17 of 23) (English)

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Limited One Year Warranty148 NW ST Specifications

3332

G E N E RA L

C H A N N E L S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 AM,40 LSB,40 USB

FREQUENCY RA N G E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26.965 TO 27.405 MHZ

FREQUENCY CO N T RO L. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PHASE LOCK LOOP (PPL) SYNTHESIZER

FREQUENCY TO L E RA N C E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 . 0 0 5 %

FREQUENCY STA B I L I TY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 . 0 0 1 %

O P E RATING T E M P E RATURE RA N G E. . . . . . . . . . . . . . . . . . . .-30° C TO +50° C

M I C RO P H O N E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P LUG-IN DYNAMIC WITH PUSH-TO - TALK SWITC H

INPUT VO LTAG E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13.8V DC NOM.15.9V MAX . , 11.7V MIN.

(POSITIVE OR NEGATIVE GROUND)

CURRENT DRA I N. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T RA N S M I T:AM FULL MOD. ,2 . 2 A . SSB 12

WATTS PEP OUTPUT,2 A .

R E C E I V E :S Q U E LC H E D, 0 . 2 5 A ;M AX .AUDIO

O U T P U T ,0 . 6 A .

S I Z E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 3 / 8 ”H X 7-7/8”W X 9-1/4”D

W E I G H T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 LBS.

ANTENNA CO N N E C TO R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .U H F;S O - 2 3 9

CO LOR LIGHT EMITTING DIODE

M E T E R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I L LU M I N AT E D ;I N D I CATES RELATIVE POWER

O U T P U T, RECEIVED SIGNAL STRENGTH AND VS W R

T RA N S M I TT E R

P OWER OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AM 4 WATTS ,SSB 12 WATTS ,P E P

M O D U LAT I O N. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HIGH- AND LOW - L EVEL CLASS B, AMPLITUDE

M O D U LAT I O N

I N T E R M O D U LATION DISTO RT I O N. . . . . . . . . . . . . . . . . . . . . .S S B : 3RD ORDER, MORE THAN -25d B

5TH ORDER,MORE THAN -35d B

SSB CARRIER SUPPRESSION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 d B

U N WANTED SIDEBA N D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 d B

FREQUENCY RESPONSE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AM AND SSB;300 TO 2500 HZ

OUTPUT IMPEDANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 OHMS,U N BA LA N C E D

OUTPUT INDICATO R S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .METER SHOWS RELATIVE RF OUTPUT POWER

AND SWR.T RANSMIT LED GLOWS RED

WHEN T RA N S M I TTER IS IN OPERAT I O N .

R E C E I V E R

S E N S I T I V I TY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S S B :0.25 µV FOR 10 d B (S+N) /N AT

G R E ATER THAN 1/2-WATT OF AUDIO OUTPUT

A M :0.5 µV FOR 10 d B (S+N) /N AT

G R E ATER THAN 1/2-WATT OF AUDIO OUTPUT

S E L E C T I V I TY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A M :7.8 KHZ,50 d B@ 9KHZ

S S B :6 d B @ 1.1 KHZ,60 d B@ 2.3 KHZ

I M AGE REJECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MORE THAN 65 d B

A D J ACENT-CHANNEL REJECTION. . . . . . . . . . . . . . . . . . . . . . . .60 d B AM & 70 d BS S B

IF FREQUENCIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A M :7.8MHZ 1ST IF,455 KHZ 2 ND IF

S S B :8.7 MHZ

AM & SSB RF GAIN CO N T ROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 d BA D J U S TABLE FOR OPTIMUM SIGNAL

R E C E P T I O N

AU TO M ATIC GAIN CO N T ROL (AG C ). . . . . . . . . . . . . . . . . . . .LESS THAN 10 d B CHANGE IN AUDIO OUTPUT

FOR INPUTS FROM 10 TO 100,000 MICRO VO LTS

NOISE BLA N K E R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RF TY P E,EFFECTIVE ON AM AND SSB

A N L. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S W I TC H A B L E

S Q U E LC H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A D J U S TA B L E ;THRESHOLD LESS THAN 0.25 µV

VOICE LOCK RA N G E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+/- 1.5 KHZ

AUDIO OUTPUT POW E R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 WATTS INTO 8 OHMS

FREQUENCY RESPONSE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300 TO 2500 HZ

D I S TO RT I O N. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 0 % @ 0 WATTS @ 0000 HZ??

BU I LT-IN SPEAKER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 OHMS,5 WATTS

E XTERNAL SPEAKER (NOT SUPPLIED). . . . . . . . . . . . . . . .8 OHMS;DISABLES INTERNAL SPEAKER WHEN

CO N N E C T E D

PA SYS T E M

P OWER OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 WATTS INTO EXTERNAL SPEAKER

E XTERNAL SPEAKER FOR PA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 OHM,4 WATTS MIN.

( N OT SUPPLIED)

( S P E C I F I CATIONS SUBJECT TO CHANGE WITHOUT NOT I C E )

CO B RA ELECTRONICS CO R P O RAT I O N wa rra nts that its

CO B R A CB ra d i o s ,and the co m po n e nt parts there o f,will be

f ree of defe cts in wo rkmanship and mate rials for pe ri od of

two (2) year from date of first consumer purc h a s e .This wa r -

ra nty may be enfo rced by the first consumer purc h a s e r,p ro-

vided that the prod u ct is utilized within the U.S.A.

CO B RA will,without charg e,repair or re p l a ce,at its option,

d e fe ct i ve CB ra d i o s,p rod u cts or co m po n e nt parts upo n

d e l i ve ry to the CO B RA facto ry Se rv i ce De p a rt m e nt,a c co m -

panied by proof of the date of first consumer purc h a s e ,s u c h

as a duplicated co py of a sales re ce i p t .

You must pay any initial shipping charges re q u i red to ship

the prod u ct for wa rra nty serv i ce,but the re t u rn charges will

be at Co b ra’s ex pe n s e ,if the prod u ct is re p a i r ed or re p l a ce d

under wa rra n ty.

Exc l u s i o n s:This limited wa rra nty does not apply;1.) to any

p rod u ct damaged by accident ;2.) in the eve n t of misuse or

abuse of the prod u ct or as a result of unauthori zed alte r-

ations or re p a i r s ; 3.) if the serial number has been alte re d,

d e f a ced or re m ove d ;4.) if the owner of the prod u ct re s i d e s

outside the U.S.A.

All implied wa rra nt i e s ,including wa rra nties of merc h a nt a b i l i -

ty and fitness for a particular purpose are limited in durat i o n

to the length of this wa rra nty. CO B RA shall not be liable fo r

a ny incident a l ,co n s e q u e ntial or other damages;i n c l u d i n g ,

without limitat i o n ,damages resulting from loss of use or

cost of installat i o n .

Some states do not allow limitations on how long an implied

wa rra nty lasts and / or do not allow the exclusion or limita-

tion of incidental or co n s e q u e ntial damages,so the above

l i m i t a tions may not apply to yo u.

All implied wa rra nt i e s ,including wa rra n ties of mer-

c h a nt a b i l i t y and fitness for a particular purpose are lim-

i ted in duration to the length of this wa rra nty.CO B RA

shall not be liable for any incident a l ,co n s e q u e ntial or

other damages;i n c l u d i n g,without limitat i o n ,d a m a g e s

resulting from loss of use or cost of installat i o n .

Some states do not allow limitations on how long an

implied wa r ra nty lasts and / or do not allow the exc l u-

sion or limitation of incidental or co n s e q u e ntial dam-

a g e s ,so the above limitations may not apply to yo u.

Cobra Electronics

Corporation

6500 West Cortland Street

Chicago,Illinois 60707

148 NW ST manual 3.3 6/15/99 3:12 PM Page 32

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Cobra 148 NW ST Manual

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