User's Manual

LinkNet™ LNKF800 RF MODULES ! USER MANUAL
DCM000000014
Printed: 01.10.19,15:50
Revision Date:10/19/01 6
Frequency Bands See Model Chart
Modulation & Channel Spacing
Narrowband FM,
25 or 12.5 KHz as per Model Chart
RF Frequency Stability Tracks Input Signal Exactly
Max. RF Output Power
+38 dBm for A1,B1,C2,D2 Models
+37 dBm for G1, H1 Models
RF Output Power Range
Power can be reduced 20 dB in 1 dB Steps
(AGC Controlled)
RF Output Power Variation vs. Input
(over -90 to -30 dBm)
+/- 1 dB
Input Dynamic Range -110 to -30 dBm
Input Sensitivity Adjust Range -110 to -50 dBm
Input Hysteresis 1 to 10 dB
Adjacent Channel Selectivity 60 dB Minimum
Transmit Duty Cycle Continuous
Transmit Spurious -13 dBm max
Receive Conducted Spurious -57 dBm Max
Audio Distortion & Noise
<3% Increase for 25 KHz Modules
<4% Increase for 12.5 KHz Modules
Transmit Key-Up & Key-Down Times <2 mS Key-Up, <1 mS Key-Down
Group Delay
<120 uS for 25 KHz,
<160 uS for 12.5 KHz
RF Connectors
SMA (50Ω) Connectors on back of Card-Cage
Module Power Supply Requirements 45 Watts Maximum
Connections
Edge Connector & 2 Blind-Mate RF Connectors to
Card-Cage, DB-15 Connector on back of Card-
Cage provides per-Module Fault Relay,
Interconnect to other Modules, & RS-232
Front Panel Indicators
Operating, Stand by, Fault, Program Mode,
Receive, Transmit
Configuration Options
RF Modules may be configured either via the
optional Controller Module, or via a PC and an
RS-232 Connection via the Card-Cage.
Operating Temperature Range
-10 to +50
o
C; consult Manual DCM000000008 for
cooling requirements
Operating Humidity Range 10 to 90% RH, Non-Condensing
Size & Weight
9.11” High, 2.00” Wide, 14.00” Deep,
10 lbs, 4.5 kg Max
Also consult the main LinkNet™ Manual DCM000000008.
Module Specifications