HP 11793A manual Device

Page 36

Microwave Converter

Model 1 1793A

RF Devices (Service Sheets 1 and 2)

Because of the diversity of test equipment and techniques available for troubleshooting the high-frequency devices, no specific procedures are given. Check the performance parameters of the RF devices against the following table, Table 10.Also check connectors and cables.

 

Table 10. Performance Parameters

Device

Performance Parameters to Check

AT1

Attenuation: 2.5 to 3.5 dB at 18 GHz

3 dB

2.0 to 4.0 dB at 26.5 GHz

Attenuator

SWR: 4.251 at 26.5 GHz~~

FL1

3 dB Corner: 900 to 1100 MHz

Low-Pass

Passband Insertion Loss: <0.25 dB at

Filter

 

~~

800MHz

s1, s2 Insertion Loss: 4 . 5 dB at 26.5 GHz

Switch SWR: <2.0:1 at 26.5 GHz

u1 Frequency Range: 18 to 26.5 GHz

LOGain: >11 dB

Amplifier SWR: C2.51

u2 Frequency Range: 10 to 700 MHz

IF Gain: 14 dB

Amplifier SWR: <1.8:1

u3 LO Frequency Range: 2 to 26.5GHz

Mixer RF Frequency Range: 1.3 to 26.5 GHz LO Power: >+8 dBm

Conversion Loss: <lo dB

SWR: <4:1

Control Devices (Service Sheet 3)

Set a power supply to 0 Vdc and connect it to the FREQ OFFSET INPUT connector. Set the supply to 0, +3, and +S Vdc respectively, and compare the logic levels of the logic devices with those listed in Table 9. When specifically checking the drive transistors 42, Q3,Q4, or QS, note the following:

The switch solenoids automatically disconnect after completion of switching. Therefore, it is difficult to distinguish between a drive transistor that is on but not drawing current, or one that is off and not drawing current. The collector voltages will differ by only a few mV. If any of the transistors are known to be working, compare the on and off voltages of the suspected transistor against those of a known good one.

Power Supplies (Service Sheet 3)

Check the points indicated in the schematic diagram for dc level and ac ripple. Note that the +SV Regulator is dependent on the + 12V Regulator.

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Contents HP 11793A Warranty AgiIent TechnoIogies Microwave Converter Regulatory Information Safety Considerations Safety Considerationsfor this Instrument Product Markings Safety Considerations Microwave Converter Specifications General InformationPage HP 11 793A Option Guide Microwave Converter Model 11793A Model 11793A Microwave Converter Power Requirements Power CablesMating Connectors Line Voltage SelectionI0 0.J Operating Environment Bench OperationRack Mounting Storage and ShipmentOperation Operating InstructionsPanel Features Operator MaintenanceOperator Checks Front-Panel Features Performance Tests Description EquipmentAdjustments Replaceable Parts ListReplaceable Parts Page Model 11793A Replaceable Parts Model 11793A Replaceable PartsReplaceable Parts Model 1 1793A Code List of Manufacturers Cabinet Parts Illustrated Parts Breakdown for Standard and Option Microwave Converter Model Service Pin Troubleshooting GeneralDevice Repair Cleanliness Cleaning the Control-Line Switch ContactsInstrument Disassembly Procedure Instrument Assembly Procedure Page Page Page Page Page Model 11793A Microwave Converter Microwave Signal DOWN-CONVERSION L Ill Ss2 Ss3 Regional Sales and Service Offices

11793A specifications

The HP 11793A is a precision electronic component designed for high-frequency signal processing and transmission, primarily used in laboratory and industrial applications. This device exemplifies HP's longstanding commitment to quality and innovation in the world of electronic instrumentation.

One of the notable features of the HP 11793A is its ability to handle a wide frequency range, making it suitable for a variety of tasks, including signal analysis, modulation, and demodulation. This versatility is complemented by its excellent linearity and low distortion, which are critical factors for applications that require high accuracy and reliability in signal representation.

The HP 11793A employs advanced technologies that enhance its performance and usability. One of the key technologies is its robust signal conditioning capabilities, which allow it to filter and amplify signals effectively. This ensures that even weak signals can be accurately processed, significantly improving measurement reliability. Furthermore, the device uses cutting-edge materials and manufacturing processes to minimize noise and interference, paving the way for clearer and more precise signal outputs.

Another significant aspect of the HP 11793A is its user-friendly interface. Designed with the operator in mind, the device features intuitive controls and a well-organized display, enabling quick adjustments and easy monitoring of parameters. This ergonomic design is particularly beneficial in high-pressure environments where time is crucial, allowing technicians and engineers to focus on their tasks without being bogged down by complicated procedures.

Reliability is paramount in any electronic component, and the HP 11793A does not disappoint. Built to withstand rigorous testing and prolonged usage, it boasts a durable construction that ensures longevity. The device also adheres to strict safety and performance standards, providing users with peace of mind.

In conclusion, the HP 11793A combines high-frequency signal processing capabilities, advanced signal conditioning technologies, user-friendly design, and robust reliability. These features make it an essential tool for professionals in the fields of electronics, telecommunications, and research laboratories, contributing to a more efficient and effective workflow in high-precision tasks. Whether for development, testing, or analysis, the HP 11793A stands out as a notable choice in the realm of electronic instrumentation.
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