Agilent Technologies E4351B, E4350B service manual Simplified Diagram of DSP Circuits, Dsp

Page 26

Simplified Diagram of DSP Circuits

 

Mno V

 

SAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Otu +

S+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- S

- Out

 

Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.O. DSP

 

 

 

 

411R

99K.4

 

 

412R

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

401AU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V-to

 

 

408R

125K

 

 

406R

25K1

407R

9K

 

 

 

 

CV Prog

 

 

 

CC Prog

 

 

 

 

 

 

 

 

 

5V-to 0

 

 

900

 

 

 

900

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

+

 

20K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CV DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

432

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

410R

464

 

 

440R

64K.4

 

R

20K433R 465R

605AU

 

 

434R

435R

 

 

0

 

 

 

SAS401BU

 

 

 

 

 

404R

9K

 

 

VoltageOutput

Monitor

 

 

 

 

U773

CC DAC

 

 

 

 

Current utputO

onitorM

 

 

 

 

+

 

 

 

 

 

Fixed

 

 

 

 

DAC

Ref

+5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

426C

047uF.

10K

 

 

I Mon

 

R490

10K

 

491R

 

 

10K

 

 

 

 

Data

 

 

 

 

 

463R

2K

 

 

 

ontrolC CC

403AU

 

-

+

 

 

703R

02.0

 

ontrolC VC

408BU

 

-

+

 

 

 

SSA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15V

 

 

134D

 

CC Or

Gate

 

411D

 

rO VC

ateG

 

 

4.99K

Fixed

 

 

 

 

 

U752

 

 

 

 

 

 

 

 

 

+

497R

6K.31

409B

194D

+

 

-

 

rossG +

Limit urrentC

 

 

 

 

 

 

 

 

 

 

 

 

488R

+5V

 

 

IMon

A/D

 

U753

 

 

U750

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

 

 

 

 

 

Amp ontrolC

 

 

 

 

 

 

 

 

 

 

 

Programming

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V+

 

503R

7K.14

 

 

503R

12K.4

 

 

 

 

 

 

408AU

 

 

 

409AU

 

 

 

Down

Amp

 

 

 

 

VMon

A/D

U751

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

-

 

 

 

PLD

 

 

 

 

U736

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

202U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

201

 

+

-

 

 

 

 

Q206

 

 

 

uP

 

 

 

 

U710

 

 

 

 

 

 

 

 

 

 

ly

 

 

 

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ssemb A inkStea

 

 

 

 

 

 

 

Series Regulator

Q201

 

 

202Q

 

 

 

 

 

 

now D

erProgramm

 

 

Q205

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H.

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.P

 

 

 

 

 

 

 

 

Rail+

 

 

 

 

inV

 

 

 

 

 

 

 

 

 

 

 

 

 

Rail

 

 

 

Sch4350.Pre

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4-9. Simplified Power/Control/DSP Circuits

 

 

 

 

 

 

26

Service Addendum

Image 26
Contents Foreword Areas of DifferenceTable of Contents Firmware Revisions Test Equipment RequiredBasic Test Setup Measurement TechniquesVoltage and Current Values Transient Recovery TimeCC RMS Noise Measurement Test Setup Performance Test Record Load Effect Source Effect Pard Ripple & NoiseCurrent Sink 0.9A Readback Accuracy Pard Ripple & Noise Self-Test Error Codes/Messages Signature AnalysisOverall Troubleshooting sheet Overall Troubleshooting sheet 1Overall Troubleshooting sheet 2 Overall Troubleshooting sheet 3 Overall Troubleshooting sheet 4 Flow Charts OV & OCNo Display Troubleshooting No Display TroubleshootingOV Will Not Fire Troubleshooting OV Will Not Fire StartOV at Turn-On Troubleshooting OV at Turn-On StartOutput Held Low Troubleshooting sheet Output Held Low StartOutput Held Low Troubleshooting Sheet 2 Output Held High Troubleshooting Output Held High StartClear Screen Case Else Next Cable and Connector Locations 18. Cable and Connector Locations for E4350B/E4351BDSP Board Digital Signal Processor DSP Board Simplified Diagram of DSP Circuits DSPChassis -Mechanical Page Page Page Page Mosfet Page Page Page Page STUD-STD-PRS-IN Service Addendum FET Q303 1855-0849 FET Mechanical Test Points Signal Measurement and Conditions A4A1/A4A3 Left Tunnel Boards Figure Adapter Board and Phone Adapter Board Figures 6-11 A1 Main Board Assembly Diagram and Test Points for E4350B A1 Main Board Schematic Diagram for E4350B sheet 1 A1 Main Board Schematic Diagram for E4350B sheet 2 A1 Main Board Schematic Diagram for E4350B sheet 3 A1 Main Board Schematic Diagram for E4350B sheet 4 A4 Left Tunnel Circuit Component Locations for E4350B A4A1/A4A3 Left Tunnel Circuit Schematic Diagram for E4350B A4A2/A4A4 Right Tunnel Circuit Schematic Diagram for E4350B 10. A5 DSP Board Test Points 11. A6 Adapter Board Schematic Diagram

E4351B, E4350B specifications

Agilent Technologies, a leader in electronic measurement, offers a range of advanced solutions, including the E4350B and E4351B switching systems. These models are specifically designed to meet the increasing demands of modern testing environments, providing high reliability and precision for a variety of applications.

The Agilent E4350B is known for its low resistance switching capabilities, making it an ideal choice for applications requiring accurate and repeatable measurements. It supports up to 16 channels of low resistance testing, allowing engineers to simulate complex electrical paths and identify potential issues in circuit designs. With an optional temperature measurement capability, users can monitor the thermal performance of components directly during tests.

On the other hand, the E4351B model enhances flexibility with a modular design, offering an extensive range of input and output configurations. This instrument is particularly well-suited for automated test systems, providing the ability to connect multiple devices and manage them seamlessly. Its high-speed switching technology enables quick toggling between channels, ensuring that large datasets can be acquired swiftly without compromising accuracy.

Both models employ advanced contact technology, which minimizes the potential for signal degradation, ensuring that users receive reliable data with minimal noise interference. This feature is crucial in applications where signal integrity is paramount, such as in research and development or quality assurance processes.

Enhanced user interfaces simplify operations for both novice and experienced technicians. The built-in touchscreen and intuitive navigation allow for easy setup and operation, significantly reducing the learning curve. Furthermore, the comprehensive software support provided by Agilent facilitates integration with various programming environments, allowing for custom test sequences tailored to specific needs.

Moreover, both E4350B and E4351B systems are built with durability in mind. The robust construction ensures long-term reliability, reducing downtime and maintenance costs. This makes them ideal candidates for both laboratory settings and field operations where consistent performance is critical.

In summary, Agilent Technologies’ E4350B and E4351B models are distinguished by their precision, flexibility, and robust performance. Their advanced features and user-friendly design make them suitable for a wide variety of applications, from routine testing to complex R&D projects. By leveraging modern switching technologies, these systems set a high standard for electronic measurement, aiding engineers in developing reliable electronic solutions.