Description

SPECIFICATIONS

HF COMMUNICATIONS FREQUENCY COUNTER WITH OFFSET CAPABILITIES

0 ~50 MHz input very sensitive rf preamplifier -40 to+20dBm
Operating frequency 0 ~35.0000 MHz
IF offset selected from 0 to 32.7675 MHz in 500Hz increments.This function can be disabled for direct frequency measurement.
+/- =determines wether IF offset is added or subtracted from the LO count.
PRESCALE : set by on board multiturn preset ,compensates display for external prescalers with divide ratio of 1 to 256 (IF offset,LO frequency and resolutions are multiplied by the prescale value).
MODE DISPLAY : Blank(no mode),AM,FM,CW,USB,LSB,FSK ,FAX.(through on board multiturn preset or replaced by fixed,external resistors.
DISPLAY : 16 character LCD
FREQUENCY : 6 digit floating point in KHz,MHz or GHz (100 Hz resololution when prescale =1.Updates 6 times per second.
Power requirement : 8 _15 V DC 40 mA external supply unit or battery pack 9V.
Dimensions : 120(L),45 (W),25(H) mm ,wight 75 gr.
RF input receptacle SMA female connector.
UNIT IS DELIVERED ASSEMBLED/TESTED WITH REF.FREEQUENCY AND PREAMPLIFIER ADJUSTED FOR DIRECT FREQUENCY MEASUREMENTS,ALL OTHER SETTINGS,USER SELECTABLE.
A DETAILED DESCRIPTION MANUAL AND ELECTRONIC WIRING IS INCLUDED.