The JDSU JD745A CellAdvisor Base Station Analyzer is a comprehensive, portable solution designed for installing and maintaining cell sites. It integrates multiple test functions into a single handheld unit, including a spectrum analyzer, cable and antenna analyzer, power meter, and optional signal analyzers, optimized for fast and accurate RF analysis.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB Host (2x Type A), USB Client (1x Mini-B), LAN (RJ-45), GPS (SMA), 10 MHz Ref In (BNC) |
| Display | 8.0-inch color TFT touchscreen, 800 x 600 resolution |
| Warm-up Time | 5 minutes |
| Battery Charge Time | < 4 hours (with instrument powered off) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 240 V AC, 50 to 60 Hz external adapter; 19 V DC, 4.7 A device input; Rechargeable Li-Ion battery |
| Operating Temperature | -10 °C to +50 °C |
| Dimensions (W×H×D) | 290 mm × 195 mm × 75 mm |
| Weight | 3.2 |
| Form Factor | Handheld |
Spectrum Analyzer
| Parameter | Value |
|---|---|
| Spectrum Analyzer Frequency Range | 100 kHz to 4.0 GHz |
| Resolution Bandwidth (RBW) | 10 Hz to 3 MHz |
| Video Bandwidth (VBW) | 1 Hz to 3 MHz |
| Phase Noise | -100 dBc/Hz @ 10 kHz offset (typical) |
| Maximum Safe Input Power | +30 dBm |
| Maximum Rated DC Voltage | ±50 V DC |
| Displayed Average Noise Level (DANL) | -155 dBm/Hz (typical, preamplifier on, 10 MHz to 2.4 GHz) |
| Third-Order Intercept (TOI) | +15 dBm (typical, @ 2 GHz) |
| Second Harmonic Distortion (SHD) | -70 dBc (typical, @ 2 GHz) |
| Sweep Time Range | 10 ms to 1000 s (span >= 10 Hz), 10 us to 1000 s (zero span) |
| Amplitude Accuracy | ±1.0 dB (10 MHz to 4.0 GHz, typical) |
| Input VSWR | < 1.5 (10 MHz to 4.0 GHz) |
| RF Input Attenuator Range | 0 to 50 dB in 5 dB steps |
Cable & Antenna Analyzer
| Parameter | Value |
|---|---|
| Cable and Antenna Analyzer Frequency Range | 5 MHz to 4.0 GHz |
| Frequency Resolution | 10 kHz |
| Directivity | >42 dB (after calibration) |
| Reflection Measurements | Return Loss, VSWR |
| Distance-to-Fault (DTF) Measurements | DTF Return Loss, DTF VSWR |
| 1-Port Cable Loss | Supported |
| 1-Port Phase | Supported |
| 2-Port Transmission | Supported |
Power Meter
| Parameter | Value |
|---|---|
| Internal RF Power Meter Frequency Range | 10 MHz to 4.0 GHz |
| Internal RF Power Meter Display Range | -120 dBm to +30 dBm |
| Internal Power Meter Accuracy | Same as Spectrum Analyzer Amplitude Accuracy |
Timebase
| Parameter | Value |
|---|---|
| Internal Timebase Aging Rate | ±0.5 ppm/year |
| Internal Timebase Temperature Stability | ±0.05 ppm |
Display & Storage
| Parameter | Value |
|---|---|
| Display Size | 8.0 inches (20.3 cm) diagonal |
| Display Type | Color TFT LCD resistive touch screen |
| Internal Storage | 4 GB |
Connectivity & Ports
| Parameter | Value |
|---|---|
| RF In Port Connector | Type-N, female (50 Ω) |
| RF Out / SWR Port Connector | Type-N, female (50 Ω) |
| External Reference Port | BNC, female (10 MHz) |
| GPS Antenna Port | SMA, female |
| USB Host Interfaces | 2x USB Type A |
| USB Client Interface | 1x Mini-USB Type B |
| LAN Interface | RJ-45, 10/100 Base-T |
Power Specifications
| Parameter | Value |
|---|---|
| AC/DC Adapter Input Rating | 100 V AC to 240 V AC, 50 Hz to 60 Hz |
| DC Device Input Voltage | 19 V DC |
| Battery Chemistry | Lithium-Ion |
| Battery Operating Time | > 3 hours (typical) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40 °C to +80 °C (without battery) |
| Operating Humidity | 95% R.H. (non-condensing) |
Configurations & Options
| Parameter | Value |
|---|---|
| Optional Signal Analyzers | LTE-FDD, LTE-TDD, WCDMA/HSDPA, GSM/GPRS/EDGE, cdma2000, 1xEV-DO, TD-SCDMA |
Cable and Antenna Analyzer
| Parameter | Value |
|---|---|
| Trace Data Points | 126, 251, 501, 1001, 2001 |
| RF Output Power | High (0 dBm typical) / Low (-30 dBm typical) |
| Return Loss Resolution | 0.01 dB |
| VSWR Resolution | 0.01 |
| Distance-to-Fault Range | 0 to 1500 m |
Display
| Parameter | Value |
|---|---|
| Display Resolution | 800 × 600 pixels (SVGA) |
Environmental & Mechanical
| Parameter | Value |
|---|---|
| Environmental Compliance | MIL-PRF-28800F Class 2 |
GPS Receiver
| Parameter | Value |
|---|---|
| GPS Receiver Channels | 12 channels |
| GPS Position Accuracy | < 3 m (10 ft) CEP |
RF Power Meter
| Parameter | Value |
|---|---|
| Compatible External Power Sensors | JD724C, JD725C, JD731C, JD732C, JD733C, JD734C, JD736C |
Technology
Base Station Analyzer
Applications
Cellular base station installation, RF commissioning, interference troubleshooting, and antenna line testing