ATX SignalOn Series User Manual

Ver. 1.1 STE s.a.s. ELETTRONICA TELECOMUNICAZIONI Via Maniago N.15 – 20134 – Milano – Italy

STE sas Milano - ITALY Pag. 10 of 14 PRO, PRI ( J1 pins n.12-13) programming input-output CH A-B-C-D ( J1 pins n.14-15-16-17) channel

STE sas Milano - ITALY Pag. 11 of 14 BK77x FREQUENCY-POWER PROGRAMMING At “Power On” the radio memory ( IC10 EEPROM ) is loaded wit

STE sas Milano - ITALY Pag. 12 of 14 PROGRAMMING COMMANDS AND PARAMETERS [ CH ] WRITES IN “EEPROM” TX FREQUENCY, TX POWER LEVEL

STE sas Milano - ITALY Pag. 13 of 14 NT and NR number calculation ( BK 77x ) “NT” and “ NR” are 16 bit binary numbers used to progra

STE sas Milano - ITALY Pag. 14 of 14 TABLE 2 BK77x DEFAULT CHANNELS CH. N° CH. HEX FREQ. MHz POWER LEVEL “ NT ” “ NR “ 1 0 43

STE sas Milano - ITALY Page 2 of 14 General Description The BK77A5 and the BK77B5 are “PLL” synthesized UHF transceivers for use in Wireless

STE sas Milano - ITALY Pag. 3 of 14 Fig. 2 - Block Diagram +5 V1+5V2AV13RSI ( &q

STE sas Milano - ITALY Page 4 of 14 BK77A5 – BK77B5 Specifications Min Typ Max Units Notes GENERAL FREQ

STE sas Milano - ITALY Pag. 5 of 14 Fig. 3 - Physical dimensions Fig. 4 - J1 conn

STE sas Milano - ITALY Pag. 6 of 14 Fig. 5 PC “COM” port connection to program channels and TX power ( HI/LO).

STE sas Milano - ITALY Pag. 7 of 14 Fig. 7 “MCU” to transceiver typical connection (“Data” mode) with channel parall

STE sas Milano - ITALY Pag. 8 of 14 Fig. 9 Transceiver total control ( “DATA” mode) by external host microcontr

STE sas Milano - ITALY Pag. 9 of 14 DATA/VOICE input ( D/V - J1 pin n.18 ) The transceiver has two main operating modes, depending on