The Anritsu MS8604A is a high-performance Digital Mobile Transmitter Analyzer designed for evaluating the major characteristics of digital mobile communication transmitters. Operating over a broad frequency range from 100 Hz to 8.5 GHz, it supports major international wireless standards including GSM, DCS1800, PDC, PHS, NADC, and TETRA. With its high-speed measurement capability of executing modulation-accuracy tests in under 1 second, built-in 10 W power meter, and standard PTA (Personal Test Automation) programming, the MS8604A is highly optimized for transmitter manufacturing and testing.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, RS-232 |
| Display | Color TFT LCD |
| Programming Interface | PTA (Personal Test Automation) functions standard |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V AC to 120 V AC / 200 V AC to 240 V AC, 47.5 Hz to 63 Hz |
| Operating Temperature | 0 °C to 50 °C |
| Dimensions (W×H×D) | 426 mm × 177 mm × 451 mm |
| Weight | 24 |
Frequency
| Parameter | Value |
|---|---|
| Frequency Range | 100 Hz to 8.5 GHz |
RF Input & Receiver
| Parameter | Value |
|---|---|
| Maximum Safe Input Level | Up to 10 W (average burst power) |
| RF Input Attenuation | 0 to 62 dB in 2 dB steps |
| Power Meter | Built-in for high power levels |
| Baseband Signal Input | I/Q signal input function (optional) |
Signal Analysis & Measurement
| Parameter | Value |
|---|---|
| Supported Modulation Formats | GMSK, π/4 DQPSK (universal analysis functions) |
| Measurement Speed | Under 1 second for modulation-accuracy measurements |
| Measurement Capabilities | Carrier frequency, modulation accuracy, antenna power, leakage power during carrier-off, transmission ramp-up and ramp-down power, occupied bandwidth (adjacent channel power, spurious emissions, and signal transmission rate) |
Supported Technologies & Standards
| Parameter | Value |
|---|---|
| Supported Cellular & Wireless Standards | GSM, DCS1800 (PCN), PDC, PHS, NADC, TETRA, digital MCA, CT2, DECT, WCPE, PACS, RCR STD-39 |
Compliance & Calibration
| Parameter | Value |
|---|---|
| Measurement Standards Compliance | EIA/TIA, ETSI, RCR, MKK |
Spectrum Analyzer
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range | 300 Hz to 3 MHz (10 Hz to 3 MHz with Option 12) |
| Video Bandwidth (VBW) Range | 1 Hz to 3 MHz |
| Sweep Time Range (Span > 0 Hz) | 20 ms to 1000 s |
| Sweep Time Range (Zero Span) | 50 µs to 1000 s |
| SSB Phase Noise | ≤ -100 dBc/Hz (at 10 kHz offset, carrier ≤ 3.0 GHz) |
Reference Oscillator
| Parameter | Value |
|---|---|
| Standard Reference Frequency | 10 MHz |
| Standard Aging Rate | 2 × 10^-8/day, 1 × 10^-7/year |
| Standard Temperature Stability | 5 × 10^-8 (0°C to 50°C) |
RF Input
| Parameter | Value |
|---|---|
| RF Input Connector Type | N (female) |
| RF Input Impedance | 50 Ω |
Receiver & RF Performance
| Parameter | Value |
|---|---|
| YIG Preselector Frequency Range | 1.7 GHz to 8.5 GHz |
Storage & Connectivity
| Parameter | Value |
|---|---|
| Memory Card Interface | Two PCMCIA Type II slots |
| Floppy Disk Drive | 3.5-inch FDD (supports 2DD/2HD, MS-DOS format) |
| RS-232C Interface Connector | D-sub 9-pin |
| Rear Panel Outputs | IF Output, Video Output, VGA Output, Reference Output |
Reference Frequency Options
| Parameter | Value |
|---|---|
| Option 01 Reference Oscillator Aging | ≤ 5 × 10^-10/day |
| Option 02 Reference Oscillator Aging | ≤ 2 × 10^-10/day |
| Option 03 Reference Oscillator Aging | ≤ 2 × 10^-11/day |
Internal Power Meter
| Parameter | Value |
|---|---|
| Power Meter Dynamic Range | -30 dBm to +20 dBm |
| Power Meter Calibration Accuracy | ±0.2 dB (at -10 dBm, 50 MHz) |
| External Power Sensor Compatibility | Anritsu MA4700 and MA4600 series power sensors |
Technology
Digital Mobile Transmitter Analyzer
Applications
Evaluation of transmitter characteristics in digital mobile communications
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