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# Rohde & Schwarz A170 Mixer Unit for ZVM Vector Network Analyzer

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Rohde & Schwarz
- Model: A170
- Condition: Used and in Excellent Condition
- Price: $725.00 USD
- Availability: In stock, 4 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1.5 lb, estimated
- Shipping dimensions: 12X9X6 in, estimated

## Categories

- Test Equipment > Electrical Test > Microwave (primary)
- Test Equipment > Electrical Test > Electrical Parts
- Military and Embedded Equipment > Embedded & Industrial > Other Modular

## Details

### Installed

- (2) Rohde & Schwarz MW-Mixers; Part Number: 1126.1501.20
- (2) Rohde & Schwarz MW-Mixers; Part Number: 1126.1501.21
- (1) Rohde & Schwarz MW-Quadrupler; Part Number: 1126.0505.02

Part Number: 1127.8997.02

## Overview

This mixer unit operates as an interchangeable frequency conversion module within a vector network analyzer system, converting microwave signals to intermediate frequencies for precise amplitude and phase measurements. It integrates with the analyzer's RF front-end, connecting via coaxial interfaces and controlled through the instrument's internal bus. Designed for sweeping S-parameter characterization of RF components, it supports broadband frequency coverage and high dynamic range essential for accurate network analysis in R&D and production environments.

## Function

Frequency conversion mixer unit designed to extend measurement frequency range of vector network analyzers through up and down conversion of RF signals. Provides precise phase and amplitude conversion while maintaining calibrated measurement accuracy. Interfaces with analyzer through dedicated control and RF connections. Enables high-frequency measurements beyond base analyzer capabilities while preserving vector measurement integrity for S-parameter characterization, impedance analysis, and component testing applications.

## Platform

Operates as an external frequency conversion module for the R&S ZVM vector network analyzer mainframe, extending measurement capabilities to millimeter-wave frequencies through harmonic mixing. Interfaces via dedicated IF and LO connections using precision coaxial connectors, with bias and control signals routed through multi-pin interface cable. Mounts directly to waveguide test ports using standard UG-387 flanges. Requires external LO source multiplier chain and bias supply unit for operation. Compatible with ZVM firmware supporting external mixer mode. Integrates with standard millimeter-wave test setups including waveguide calibration kits, probe stations, and antenna measurement ranges.

## Application

Enables frequency extension for Vector Network Analyzers, facilitating S-parameter and group delay measurements of active and passive RF/microwave components operating in millimeter-wave bands. Essential for characterizing devices in radar, satellite communications, 5G/6G, and other high-frequency applications where direct VNA connection is impractical due to frequency limitations. Supports downconversion for broadband spectrum analysis and precise component impedance matching at elevated frequencies.

## Accessories

Requires a Rohde & Schwarz ZVM, ZVK, or ZVR series Vector Network Analyzer. Interfaces include a 15-pin D-Sub female control port for power and control signals, an N-type female IF OUT port, a 2.92 mm (K) female LO IN port, and a 2.92 mm (K) female RF IN port. Necessary accessories include RF coaxial cables with mating connectors and a 15-pin D-Sub male-to-male control cable.

## Interface

2x N-type female connectors for RF input/output, USB-B interface for control, 15-pin D-sub for external control and data interfacing, SMA female for local oscillator input, BNC female for external reference.

## Images

- <https://www.artisantg.com/itemimages/rohde_schwarz_a170_view1_202599121316.jpg>
- <https://www.artisantg.com/itemimages/rohde_schwarz_a170_view2_202599121316.jpg>
- <https://www.artisantg.com/itemimages/rohde_schwarz_a170_view3_202599121316.jpg>
- <https://www.artisantg.com/itemimages/rohde_schwarz_a170_view4_202599121316.jpg>
