R&S SMC100A SGMA Upconverter

Main features：

• Frequency range: 10 MHz to 20 GHz, covering C/Ku/Ka band satellite communication frequencies
• Power output range: -30 dBm to +13 dBm (expandable to +20 dBm with optional accessory)
• Phase noise: <-110 dBc/Hz @10 kHz offset (typical value at 1 GHz carrier)
• Frequency resolution: 0.1 Hz (high-stability temperature-controlled crystal oscillator reference)
• Local oscillator type: Low phase noise YIG oscillator (with active temperature compensation)

Consultation

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R&S SMC100A SGMA Upconverter

Overview

Rohde & Schwarz SMC100A SGMA Upconverter Technical Analysis

1. Product Overview

The Rohde & Schwarz SMC100A SGMA upconverter serves as a core component in microwave signal generation systems, designed to convert baseband signals to microwave frequencies. Featuring a modular design, this device can be integrated with signal generators for frequency extension applications.

2. Key Specifications

2.1 Frequency Characteristics

Parameter	Specification
Input Frequency Range	10 MHz - 20 GHz
Output Frequency Range	20 GHz - 40 GHz
Frequency Step Size	1 Hz
Frequency Stability	±0.1 ppm/°C

2.2 Signal Quality

Parameter	Specification
Phase Noise	-110 dBc/Hz @10 kHz offset
Harmonic Suppression	≤-50 dBc
Spurious Suppression	≤-60 dBc
Output Power Range	-20 dBm to +10 dBm

3. System Features

3.1 Interface Configuration

Interface Type	Specification
RF Input Port	N-type female
LO Input Port	SMA female
Output Port	K-type female
Reference Clock Input	10 MHz, 50 Ω

3.2 Control Methods

Control Interface	Supported Protocol
Front Panel	Knob + LCD display
LAN Interface	SCPI/VXI-11
USB Interface	USBTMC

4. Typical Applications

4.1 Millimeter-Wave Communication Testing

5G NR FR2 band signal generation
802.11ad/ay WiGig testing

4.2 Radar System Development

Automotive radar target simulation
Electronic warfare signal generation

4.3 Satellite Communication Verification

Ka-band upconversion link testing
Low Earth Orbit (LEO) satellite signal simulation

5. Recommended System Configuration

Supporting Equipment	Recommended Model
Baseband Signal Source	SMA100B
Power Amplifier	BBA150
Spectrum Analyzer	FSW67

6. Technical Advantages

Utilizes Direct Digital Synthesis (DDS) for precise frequency control
Built-in temperature compensation circuit enhances frequency stability
Modular architecture supports multi-stage cascading

7. Model Selection Guide

Model	Frequency Coverage
SMC100A-20	20 GHz - 26.5 GHz
SMC100A-40	26.5 GHz - 40 GHz