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Connectors
Signal Descriptions for SYSTEM BUS
RP_RX_HOP Pin 10 Input
This is the rear-panel trigger signal input for hopping the RF analyzer (if selected). It
is used when externally addressing the hop frequencies.
You must supply signals on the rear-panel hop frequency table address input lines to
select each RF analyzer hop frequency for each RF analyzer hop trigger. Also, the
hop controller’s hop address source must be set to Ext.
This line is active when the hop controller’s hop address source is set to Ext, the RF
analyzer’s hop mode is set to Hop, and the RF analyzer’s hop trigger is set to Arm.
Requirements Amplitude: TTL levels High drive requirement: 100 µA Low
drive requirement: 2 mA Triggered by: rising edge
See Also Screens: RFG/RFA (Hop Control) Specifications Timing
Diagrams
RP_SEQ_HOP Pin 29 Input
This is the rear-panel trigger signal input for hopping the RF generator and/or the
RF analyzer (if selected). It is used when internally sequencing through the hop
frequencies. It is connected to the hop controller.This signal can also be configured
to control RF generator output pulsing (automatic level pulsing when this trigger
occurs). It is used along with internal hop sequence reset input to control frequency
hopping through user-entered RF generator and RF analyzer hop frequency tables.
Hop frequencies are automatically selected through user-entered RF generator and
RF analyzer hop frequency tables. Hop frequency table address input lines are used
for resetting the internal sequence address register.
For the hop sequence to be active, the hop controller’s hop address source must be
set to Seq. To generate frequency hops, the hop controller’s hop address source must
be set to internal, the RF generator’s (or RF analyzer’s) hop mode must be set to
hop, and the RF generator’s (or RF analyzer’s) hop trigger must be set to arm.
Requirements Amplitude: TTL levels High drive requirements: 100 µA Low
drive requirements: 2 mA Triggered by: rising edge
See Also Screens: RFG/RFA (Hop Control) Specifications Timing
Diagrams
Screens: RFG/RFA (Hop Control) Specifications Timing
Diagrams RP_RST_SEQ_HOP