The Rohde & Schwarz AFQ100A is a high-speed, state-of-the-art I/Q modulation generator designed for generating high-bandwidth vector signals. Equipped with a 14-bit DAC, a variable sampling rate up to 300 MHz, and a generous 256 MSamples memory standard, it is optimized for demanding applications in broadband digital communications, wireless standards simulation, and component testing.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | LAN (10/100 Base-T), USB 2.0, GPIB (IEEE 488.2), VGA, PS/2 |
| Display | 6.4" TFT color LCD, VGA (640 × 480) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC (±10%), 50 Hz to 60 Hz / 400 Hz, max. 160 W |
| Operating Temperature | +5 °C to +45 °C |
| Dimensions (W×H×D) | 427 mm × 88 mm × 450 mm |
| Weight | 8.5 |
Channel Characteristics
| Parameter | Value |
|---|---|
| Number of Channels | 2 (I and Q) |
| Output Configuration | Differential or Single-ended (I, Q, I-bar, Q-bar) |
Waveform Generation
| Parameter | Value |
|---|---|
| Sampling Rate | 1 kHz to 300 MHz |
| Vertical Resolution | 14 bit |
| Standard Waveform Memory | 32 MSamples |
| Max Waveform Memory | 1 GSample (with AFQ-B12 option) |
| Segment Length Resolution | 1 Sample |
| Max. Number of Waveform Segments | 32,768 |
Frequency & Bandwidth
| Parameter | Value |
|---|---|
| Analog I/Q Bandwidth | 100 MHz |
| RF Bandwidth (Equivalent) | 200 MHz |
| Frequency Response Ripple | < 0.1 dB (up to 50 MHz) |
| Group Delay Distortion | < 500 ps (over 100 MHz bandwidth) |
Spectral Purity
| Parameter | Value |
|---|---|
| Spurious Free Dynamic Range (SFDR) | > 70 dBc (at 10 MHz signal frequency, 100 MHz clock) |
| Harmonic Distortion | < -65 dBc |
Output Characteristics
| Parameter | Value |
|---|---|
| Output Impedance | 50 Ω (single-ended), 100 Ω (differential) |
| Max Output Level (Differential) | 2 Vpp (into 100 Ω) |
| Max Output Level (Single-Ended) | 1 Vpp (into 50 Ω) |
| Amplitude Resolution | 0.1 dB |
| Common Mode DC Offset Range | -0.2 V to +2.0 V |
| Connector Type | BNC (front panel) |
Clock & Reference
| Parameter | Value |
|---|---|
| Internal Reference Frequency | 10 MHz |
| Internal Reference Accuracy | ±1 × 10^-6 |
| External Reference Input Range | 1 MHz to 100 MHz |
| Clock Frequency Resolution | 0.1 mHz |
| External Clock Input Frequency Range | 1 MHz to 300 MHz |
Trigger & Synchronization
| Parameter | Value |
|---|---|
| Trigger Modes | Auto, Armed Auto, Single, Armed Single, Gated |
| Marker Outputs | 4 channels |
Environmental & Standards
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| EMC Compliance | EN 55011 Class B, EN 61326 |
| Safety Standards | EN 61010-1, UL 61010-1 |
Signal Processing
| Parameter | Value |
|---|---|
| Hardware Interpolation Factors | 2, 4, 8 |
Digital Interfaces
| Parameter | Value |
|---|---|
| Digital I/Q Interface Logic Level | LVDS (with Option R&S AFQ-B18) |
System & Controller
| Parameter | Value |
|---|---|
| Operating System | Windows XP Embedded |
Operating Conditions
| Parameter | Value |
|---|---|
| Warm-Up Time | approx. 20 min |
Triggering
| Parameter | Value |
|---|---|
| Trigger Delay Range | 0 to 4,294,967,295 samples |
| Trigger Delay Resolution | 1 sample |
| Trigger Inhibit Range | 0 to 4,294,967,295 samples |
Markers
| Parameter | Value |
|---|---|
| Marker Delay Range | 0 to 4,294,967,295 samples |
| Marker Delay Resolution | 1 sample |
Digital I/Q Output
| Parameter | Value |
|---|---|
| Digital I/Q Output Word Rate | Up to 100 MHz (with option AFQ-B18) |
| Digital I/Q Output Resolution | 16-bit I and 16-bit Q (with option AFQ-B18) |
Technology
Arbitrary Waveform Generation
Applications
I/Q Modulation and Vector Signal Generation