beautypg.com

Vectorstar™ ms4640b series rear panel connections – Atec Anritsu-MS4640B User Manual

Page 37

background image

VectorStar™ MS4640B Series

Rear Panel Connections

MS4640B Series TDS

PN: 11410-00611 Rev. A

37

Bias Inputs

Optional

Requires Active Measurement Suite, Option 061 or 062

Bias Inputs

BNC (female), one per port

Bias Fuses

0.5 A, 250 V, one per port

Direct Access Loops

Optional

Requires Option 051, 062, or 062

Connector Type

SMA (female)

Description

For Source, Test, and Receive paths, 3 per port, for < 2.5 GHz frequency coverage

Damage Input Levels

+20 dBm maximum, 0 VDC maximum

IF Inputs/Outputs

a

1

, a

2

, b

1

, b

2

, IF Inputs/Outputs

Connector Type

SMA (female)

Inputs

Inputs used with external converters such as millimeter-wave modules, or for antenna testing.

Outputs

Outputs used with external IF digitizers and processors.

Nominal Inputs

5 to 200 MHz (mode dependent), 0 dBm for full scale

Nominal Outputs

0.2 to 200 MHz (mode dependent), +10 dBm maximum

10 MHz In

Signal presence is auto-sensing (better than 1000 ppm frequency accuracy is recommended).

Connector Type

BNC (female)

Signal

–10 dBm to +3 dBm, 50 Ω Nominal

10 MHz Out

Derived from the internal reference, unless an external 10 MHz reference input is applied.

Connector Type

BNC (female)

Signal

0 ± 5 dBm sinusoidal, 50 Ω Nominal

Analog In 1 and 2

Two independent inputs for measurements simultaneous with the RF measurements, for current sensing,

efficiency computation, power detection, and similar parameters.

Connector Type

BNC (female)

Range

–10 V to +10 V with automatic offset and gain calibrations

Accuracy

2 mV + 2 % for |V| < 5 V; 2 % for |V| > 5 V

Nominal Input Impedance

60 kΩ

Ext In ALC 1 and ALC 2

For external automatic level control of the internal signal source generators.

Optional

ALC 1 is available with Options 080/081 and 082/083. ALC 1 and ALC 2 are both available with Options 031 and

084/085.

Connector Type

BNC (female)

Ext Analog Out

For external attenuator control, external switch control, analog triggering assistance, measurement system

integration, and other purposes.

Connector Type

BNC (female)

Normal Operating Modes

Sawtooth synch sweep, TTL indication of driving port, open loop level controller

Range

–10 V to +10 V; low impedance drive

Accuracy

20 mV + 2 % (Load: > 5 kΩ)

Ext Trigger

Connector Type

BNC (female)

Voltage Input

0 to 3.3 V input (5 V tolerant)

Impedance

High impedance (> 100 kΩ)

Pulse Width

100 ns minimum input pulse width

Edge Trigger

Programmable edge trigger

Lock Status

Connector Type

BNC (female)

Voltage Input

0 to 3.3 V input (5 V tolerant)

Impedance

High impedance (> 100 kΩ)

Pulse Width

100 ns minimum input pulse width

Edge Trigger

Positive-edge trigger

Ready for Trigger

Connector Type

BNC (female)

Voltage Input

0 to 3.3 V latched output

Impedance

Low impedance (approximately 50 Ω)

Voltage

V

(output high)

= 2 V min @ –12 mA

V

(output low)

= 0.8 V max @ +12 mA