Lafayette hb 625 owners manual

Page 2

SPECIFICATIONS

RECENER

CIRCUIT TYPE ..

SENSITIVITY .............. . ....... . . . . .

SELECTIVITY . . . .......................
INTERMEDIATE FREQUENCY . . . . . . . . . . .
AUDIO OUTPUT............. ...........

AUXILIARY CIRCUITS................

TRANSMITTER

DC POWER INPUT .... ............. .. .
RANGE BOOST.........................
CARRIER DEVIATION. . . . ........ . . . . . ..
HARMONIC SUPPRESSION ......... . . . . .
ANTENNA MATCHING ............. . . . . .
GENERAL

SEMI-CONDUCTORS . . . . . . . . ............
POWER SUPPLY. ....... ... .....
ACCESSORiES .....

. . . Dual conversion superheterodyne; Crys-

tal frequency synthesizer p r ov i d e s 23
crystal-controlled transmit and receive
channels.

0.7uV for 10 db 5+ N to N ratio at 30%
at 1000 cps modulation.

6 db down at 6 Kc; 45 db down at 28 Kc.

. lst IF: 11.275 MC. 2nd IF: 455 Kc.

3 watts into ext. spkr. jack.

(1) 3-stage RF noise silencer (on-off).

(2) Full-time automatic noise limiter
(audio).

(3) Crystal-controlled fine tuning(delta).

(4) Adjustable squelch

(5) 455 Kc mechanical filter.

(6) "S" meter/RF power.

5 watts

Yields high average modulation at aver-
age voice levels (90% typical),

Not greater than t 800 cps on any channel
(exceeds FCC requirements).

. Exceeds FCC requirements.

Nominal 50 9 (may be used with 30-1009
antennas).

3 Integrated circuits, 18 transistors, ll
diodes.

11.5 to 14.5 volts DC, negative or posi-
tive ground (with internal switching).

(1) Push-to-talk dynamic microphone.
(2) DC power cable

(3) Mobile mounting bracket.

(4) Microphone clip.

III I! II I "II o [mu :numn comlsuma an IV umlm mm unmums unurumou - m mlcno mm. mu, LL, IJ. um

I 11/67 4K