Hp-11678a-84a-85a-86a-88a-89a-operating SERVICE – Service manual (PDF)

The service manual for the HP 11678A Low Pass Filter Kit provides detailed information on the setup, operation, and troubleshooting of five low-pass filters designed to match the HP 8620 Series Sweep Oscillator frequency bands, which are used to reduce undesirable harmonics during broadband detector measurements. It includes specifications such as frequency range, insertion loss, rejection, and impedance, as well as guidance on obtaining service and replacement parts from Hewlett-Packard offices worldwide.

  • Brand: Hp-11678a-84a-85a-86a-88a-89a-operating
  • Model: SERVICE
  • Type: service manual
  • File size: 114.4 KB

Overview

The HP 11678A Low Pass Filter Kit includes five low-pass filters designed to match the frequency bands of the HP 8620 Series Sweep Oscillator. These filters help reduce undesirable harmonics during precise broadband detector measurements. The kit comprises filters with cutoff frequencies of 2.8 GHz, 4.4 GHz, 6.8 GHz, 9.5 GHz, and 13.0 GHz, each with typical insertion loss of less than 1.1 dB and rejection greater than 40 dB. The filters have a nominal impedance of 50 ohms and are equipped with Type N connectors.

Specifications

  • Frequency Range: Cutoff Frequency (f,):
  • 11688A: 2.8 GHz
  • 11684A: 6.8 GHz
  • 11689A: 4.4 GHz
  • 11685A: 9.5 GHz
  • 11686A: 13.0 GHz
  • Insertion Loss: Typically < 1.1 dB at .95 f,
  • Rejection: Typically > 40 dB at 1.25 f,
  • Impedance: 50 Nominal
  • Connectors: Type N Male one end, Type N Female one end
  • Weight:
  • Net: 0.44 kg (1 lb)
  • Shipping: 1.2 kg (2.9 lb)

Controls & Indicators

Refer to the PDF for details.

Installation / Setup

Refer to the PDF for details.

Operation

Refer to the PDF for details.

Troubleshooting & Error Codes

Refer to the PDF for details.

Safety & Warnings

Refer to the PDF for details.

Download SERVICE Service manual (PDF – 114.4 KB)

HP-11678A-84A-85A-86A-88A-89A Service Manual: Provides instructions for troubleshooting and calibrating the device. File size: 114.4 KB.

  • Brand: Hp-11678a-84a-85a-86a-88a-89a-operating
  • Model: SERVICE
  • Type: Service manual
  • File size: 114.4 KB

Overview

Brief overview of the product.

Specifications

  • Key spec 1
  • Key spec 2

Controls & Indicators

Control panel/button layout.

Installation / Setup

  1. Step 1…
  2. Step 2…

Operation

Basic usage, modes, cycles.

Troubleshooting & Error Codes

Issue / CodeFix
ExampleHow to fix…

Safety & Warnings

  • Important warning…

Downloads

Download SERVICE service manual (PDF)

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