Input/output descriptions, Rear panel connectors – Atec Agilent-E8257D User Manual
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RF output
Output impedance 50 Ω (nom)
Option 520
Precision APC-3.5 male, or Type-N with Option 1ED
Options 532, 540 and 550
Precision 2.4 mm male; plus 2.4 – 2.4 mm and
2.4 – 2.9 mm female adapters
Option 567
Precision 1.85 mm male; plus 1.85 – 1.85 mm and
2.4 – 2.9 mm female adapters
ALC input
Used for negative external detector leveling. Nominal
input impedance 120 kΩ, damage level ±15 V.
LF output
Outputs the internally generated LF source. Nominal
output impedance 50 Ω.
External input 1
Drives either AM, FM, or
FM. Nominal input impedance
50 or 600 Ω, damage levels are 5 V
rms
and 10 V
peak
.
External input 2
Drives either AM, FM, or
FM. Nominal input impedance
50 or 600 Ω, damage levels are 5 V
rms
and 10 V
peak
.
Pulse/trigger gate input
Accepts input signal for external fast pulse modulation.
Also accepts external trigger pulse input for internal
pulse modulation. Nominal impedance 50 Ω. Damage
levels are 5 V
rms
and 10 V
peak
.
Pulse video out
Outputs a signal that follows the RF output in all pulse
modes. TTL-level compatible, nominal source
impedance 50 Ω.
Pulse sync out
Outputs a synchronizing pulse, nominally 50 ns width,
during internal and triggered pulse modulation.
TTL-level compatible, nominal source impedance 50 Ω.
Auxiliary interface (dual mode) Used for RS-232 serial communication and for
master/slave source synchronization.
(9-pin subminiature female connector).
GPIB
Allows communication with compatible devices
LAN
Allows 10BaseT LAN communication
10 MHz input
Accepts an external reference (timebase) input (at 1,
2, 2.5, 5, 10 MHz for standard and 10 MHz only for
Option UNX and UNR)
Nominal input impedance 50 Ω
Damage levels > +10 dBm
10 MHz output
Outputs internal or external reference signal. Nominal
output impedance 50 Ω. Nominal output power +8 dBm.
Sweep output (dual mode)
Supplies a voltage proportional to the RF power or
frequency sweep ranging form 0 volts at the start of
sweep to +10 volts (nom) at the end of sweep,
regardless of sweep width.
During CW operation, supplies a voltage proportional
to the output frequency, +10 volts (nom) corresponding
to the maximum specified frequency.
When connected to an Agilent 8757D scalar network
analyzer (Option 007), generates a selectable number
of equally spaced 1 us pulses (nom) across a ramp
(analog) sweep. Number of pulses can be set form
101 to 1601 by remote control from the 8757D.
Output impedance: < 1 Ω (nom), can drive 2000 Ω.
Input/Output Descriptions
Front panel connectors
(All connectors are BNC female
unless otherwise noted.)
1
Rear panel connectors
(all connectors are BNC female
unless otherwise noted.)
1
1. Digital inputs and output are 3.3 V CMOS unless indicated otherwise. Inputs will accept 5 V CMOS, 3 V CMOS, or TTL voltage levels.