Wireless Communication Analyzers

WCA230A • WCA280A

Characteristics

Electrical Specifications

Frequency Range - DC to 20 MHz (Baseband), 15 MHz to 3 GHz or 8 GHz

Frequency Marker Readout Accuracy -

±(RE×MF + 0.001×Span + 2) Hz

RE: Reference Frequency Error MF: Marker Frequency [Hz]

Frequency Readout Accuracy at Specified Frequency -

±1.2 kHz (Marker)

±210 Hz (CFM) (RF/RF1, Frequency = 2 GHz, Span = 1 MHz)

CFM - Carrier Frequency Measurement

Residual FM - 2 Hz_p-p(Typical)

Spectrum Purity

Frequency = 1500 MHz, Carrier offset = 10 kHz - –100 dBc/Hz

Amplitude

Reference Level Setting Range -

–50 dBm to +30 dBm (1 dB step, RF/RF1/RF2/RF3)

–30 dBm to +20 dBm (2 dB step, Baseband)

–10 dBm to +20 dBm (10 dB step, I/Q)

Frequency Response at 20 °C to 30 °C (RF ATT = 10 dB) -

±0.5 dB (Baseband)

±1.2 dB (RF/RF1)

Absolute Amplitude Accuracy at Calibration Point (RF) - ±0.5 dB (at 50 MHz, -20 dBm Signal, 0 dB ATT, 20 °C to 30 °C)

Level Linearity in Display Range - ±0.2 dB (0 to -40 dBfs)

Dynamic Range

1 dB Compression Input - +2 dBm (RF ATT = 0 dB, 2 GHz)

3rd Order Inter-Modulation Distortion - –74 dBc (Ref Level: +5 dBm, RF Att: 20 dB, Total Signal Power: –7 dBm, CF: 2 GHz )

Displayed Average Noise Level -

–150 dBm/Hz (at 2 GHz), -147 dBm/Hz (at 3 GHz),

–141 dBm/Hz (at 7 GHz)

Acquisition

Acquisition Memory Size - 64 MB (Std), 256 MB (Opt. 02)

Vector Span - 15 MHz (RF), 20 MHz (Baseband), 20 MHz (I/Q, Opt. 03)

At 64 MB (Std), the product can capture 2.5 sec 3G signal at 5 MHz span.

At 256 MB, it extends to 4 times standard. (10 sec for 3G).

Digital Demodulation

Modulation Format - BPSK, QPSK, p/4 Shift DQPSK, 8PSK, 16QAM, 32QAM, 64QAM, 256QAM, GMSK, GFSK

Maximum Symbol Rate - 12.8 Msps

Standard Setup - PDC, PHS, NADC, TETRA, GSM, CDPD, Bluetooth

Vector Diagram Display Format - Symbol Locus Display, Frequency Error Measurement, Origin Offset Measurement

Constellation Diagram Display Format - Symbol Display, Frequency Error Measurement, Origin Offset Measurement

Eye Diagram Display Format - I/Q/Trellis Display (1 to 16 Symbols)

Error Vector Diagram Display Format - EVM, Magnitude Error, Phase Error, Waveform Quality (?), Frequency Error Measurement, Origin Offset Measurement

Symbol Table - Binary, Octal, Hexadecimal

Digital Demodulation Accuracy

GMSK (1 MHz Span) - EVM =1.8%, Magnitude Error =1.2%, Phase Error =1.0°

64QAM, 5.3 Msps 1 GHz Carrier (15 MHz Span) - EVM =2.5% (Typical)

QPSK, 3.84 Msps 2 GHz Carrier (15 MHz Span) - EVM =2.5% (Typical)

Resolution Bandwidth Filter

Filter Shape - Gaussian, Rectangle, Root Nyquist

Range - 1 Hz to 10 MHz

Trigger

Trigger Event Source - IF (Level Comparator), External (TTL), I/Q (Opt. 02, Power Comparator)

Pre/Post Trigger Setting - Trigger Position is settable within 0% to 100% of Total Data Length.

Frequency Mask Trigger Level Range (Opt. 02) - 0 dBfs to -70 dBfs (Except 15 MHz span), 0 dBfs to -60 dBfs (15 MHz span)

Time Mask Trigger Level Range (Opt. 02) - 0 dBfs to -40 dBfs

Physical Characteristics

Dimensions	mm	in.
Width (without belts)	425	16.7
Height (without feet)	215	8.5
Length (without cover and feet)	425	16.7
Weight	kg	lbs.
Net	19 kg	41.9

Option 1A - External Pre-Amplifier

Environmental

Input Connector - SMA-J Type.

Output Connector - N-P Type.

Electrical Characteristics

Frequency Range - 100 MHz to 3 GHz.

Small Signal Gain - 19 dB to 24 dB at 2 GHz.

Gain Flatness -

±3.0 dB, 100 MHz to 3 GHz (without correction).

±1.0 dB, 100 MHz to 3 GHz (with correction) (Typical).

Noise Figure - < 6.5 dB, 2 GHz (Typical).

Noise Floor - < -160 dBm/Hz, 2 GHz (Typical).

Output Power - > +6 dBm at 1 dB Compression, 2 GHz (Typical).

Harmonics - < -50 dBc at +4 dBm output power, 1 GHz (Typical).

Third Order Intermodulation Distortion - < -45 dBc at Total signal power=+4 dBm output power, CF=2 GHz (Typical).

Signal Input

VSWR - <2.2 at 100 MHz to 150 MHz (Typical).

<1.8 at 150 MHz to 3 GHz (Typical).

Maximum Input DC Voltage - ±20V.

Maximum Input Power - +13 dBm.

Signal Output

VSWR -

<2.2 at 100 MHz to 150 MHz (Typical).

<1.5 at 150 MHz to 2.5 GHz (Typical).

<2.2 at 2.5 GHz to 3 GHz (Typical).

Mechanical Specifications

Weight - 0.2 kg.

Dimensions (Without a Cap) - 108 mm (H) x 42 mm (D) x 32 mm (W).

Cooling, Required Clearances - Top: 2.5 cm, Left side: 2.5 cm, Right side: 2.5 cm, Rear: 2.5 cm.

Option 23 - W-CDMA Uplink Analysis

Perform key measurements for 3GPP TS34.121 Release 99 including PRACH analysis capability.

Option 24 - GSM/EDGE Analysis Software

Perform key measurements for ETSI TS 100 910 and 3GPP TS45.005.

Burst Type: Normal

Characteristics	Description
Modulation accuracy measurement
Carrier power range	-30 to +30 dBm
Phase error measurement accuracy for GMSK modulation (typical)	=0.8° (RMS) =1.8° (Peak)
Phase error resolution	0.01°
EVM measurement accuracy for 8-PSK modulation (typical)	=0.9% (RMS)
EVM resolution	0.01%
Time resolution	0.15625 µs at 5 MHz span
Burst count	1000 maximum
Mean power measurement
RF input range	-50 dBm to +30 dBm
Absolute power measurement accuracy for GSM900 at 20 °C to 30 °C, excluding mismatch error (typical)	±0.5 dB (signal frequency: 880 MHz to 960 MHz, signal power: +10 dBm to –30 dBm, RF attenuator: 0 dB to 20 dB, after auto level is performed at 5 MHz span)
Absolute power measurement accuracy for DCS1800, PCS1900 at 20 °C to 30 °C, excluding mismatch error (typical)	±0.6 dB (signal frequency: 1710 MHz to 1990 MHz signal power: +10 dBm to –30 dBm, RF attenuator: 0 dB to 20 dB, after auto level is performed at 5 MHz span)
Resolution	0.01 dB
Burst count	1000 maximum
Power versus time measurement
RF input range	-50 dBm to +30 dBm
Power ramp relative accuracy (typical)	±0.2 dB at 0 dBfs to –40 dBfs
Time resolution (typical)	0.15625 µs at 5 MHz span
Marker amplitude resolution	0.001 dB
Burst count	1000 maximum
Modulation spectrum measurement
Carrier power range	-5 dBm to +30 dBm
Dynamic range for GMSK modulation (typical)	82 dB at 600 kHz offset (30 kHz RBW) 86 dB at 1.2 MHz offset (30 kHz RBW) 83 dB at 1.8 MHz offset (100 kHz RBW) 85 dB at 6 MHz offset (100 kHz RBW)
Dynamic range for 8-PSK modulation (typical)	82 dB at 600 kHz offset (30 kHz RBW) 85 dB at 1.2 MHz offset (30 kHz RBW) 83 dB at 1.8 MHz offset (100 kHz RBW) 83 dB at 6 MHz offset (100 kHz RBW)
Burst count	1000 maximum
Switching spectrum measurement
Carrier power range	-5 dBm to +30 dBm
Dynamic range for GMSK modulation (typical)	75 dB at 400 kHz offset (30 kHz RBW) 80 dB at 600 kHz offset (30 kHz RBW) 84 dB at 1.2 MHz offset (30 kHz RBW) 88 dB at 1.8 MHz offset (30 kHz RBW)
Dynamic range for 8-PSK modulation (typical)	75 dB at 400 kHz offset (30 kHz RBW) 80 dB at 600 kHz offset (30 kHz RBW) 84 dB at 1.2 MHz offset (30 kHz RBW) 88 dB at 1.8 MHz offset (30 kHz RBW)
Burst count	1000 maximum

Option 25 — cdma2000 1x Signal Analysis Software

Perform key measurements for cdma2000 forward link (3GPP2 C.S0010) and reverse link (3GPP2 C.S0011).

cdma2000 1x Forward Link

Characteristics	Description
Channel power
Minimum power at RF input	-50 dBm
Absolute power measurement accuracy (at 20 °C to 30 °C, excluding mismatch error), typical	±0.6 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -50 dBm After Auto Level is performed at 10 MHz span.
Relative power measurement accuracy (at 20 °C to 30 °C, excluding mismatch error), typical	±0.2 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -30 dBm After Auto Level is performed at 10 MHz span, 0 dBm input.
Resolution	0.01 dB
ACPR
Minimum carrier power at RF input	-40 dBm
Dynamic range   765 kHz offset   1.995 MHz offset   3.125 MHz offset   4 MHz offset	At -5 dBm signal input 76 dB (30 kHz BW) 81 dB (30 kHz BW) 81 dB (30 kHz BW) 82 dB (30 kHz BW)
CCDF
Histogram resolution	0.01 dB
Intermodulation distortion
Measurement filter	Rectangular, Root Nyquist, Nyquist, and Gaussian
Occupied bandwidth
Minimum carrier power at RF input	-50 dBm
Measurement accuracy	0.2%
Spectrum emission mask
Minimum carrier power at RF input	-5 dBm
Dynamic range   1.995 MHz offset	82 dB (30 kHz BW)
Code domain power
Relative code domain power accuracy	±0.15 dB/±0.075 dB (typical)
QPSK EVM
Minimum carrier power at RF input	-40 dBm
EVM floor, typical	2.0%
Modulation Accuracy (composite)
Minimum carrier power at RF input	-40 dBm
Composite EVM floor, typical	2.0%
Rho (?)	0.999
Frequency error accuracy	±10 Hz + center frequency accuracy
Timing accuracy (tau)	±250 ns

cdma2000 1x Reverse Link

Characteristics	Description
Channel power
Minimum power at RF input	-50 dBm
Absolute power measurement accuracy (at 20 to 30 °C, excluding mismatch error), typical	±0.6 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -50 dBm After Auto Level is performed at 10 MHz span.
Relative power measurement accuracy (at 20 to 30 °C, excluding mismatch error), typical	±0.2 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -30 dBm After Auto Level is performed at 10 MHz span, 0 dBm input.
Resolution	0.01 dB
ACPR
Minimum carrier power at RF input	-40 dBm
Dynamic range 900 kHz offset 1.995 MHz offset 3.125 MHz offset 4 MHz offset	At -5 dBm signal input 76 dB (30 kHz BW) 81 dB (30 kHz BW) 81 dB (30 kHz BW) 82 dB (30 kHz BW)
CCDF
Histogram resolution	0.01 dB
Intermodulation distortion
Measurement filter	Rectangular, Root Nyquist, Nyquist, and Gaussian
Occupied bandwidth
Minimum carrier power at RF input	-50 dBm
Measurement accuracy	0.2%
Spectrum emission mask
Minimum carrier power at RF input	-5 dBm
Dynamic range   1.995 MHz offset	82 dB (30 kHz BW)
Code domain power
Relative code domain power accuracy	±0.15 dB/±0.075 dB (typical)
QPSK EVM
Minimum carrier power at RF input	-40 dBm
EVM floor, typical	2.0%
Modulation Accuracy (composite)
Minimum carrier power at RF input	-40 dBm
Composite EVM floor, typical	2.0%
Rho (?)	0.999
Frequency error accuracy	±10 Hz + center frequency accuracy

Option 26 — 1xEV-DO Signal Analysis Software

Perform key measurements for 1xEV-DO forward link (3GPP2 C.S0032) and reverse link (3GPP2 C.S0033).

1xEV-DO Forward Link

Characteristics	Description
Channel power
Minimum power at RF input	-50 dBm
Absolute power measurement accuracy (at 20 to 30 °C, excluding mismatch error), typical	±0.6 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -50 dBm After Auto Level is performed at 10 MHz span.
Relative power measurement accuracy (at 20 to 30 °C, excluding mismatch error), typical	±0.2 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -30 dBm After Auto Level is performed at 10 MHz span, 0 dBm input.
Resolution	0.01 dB
CCDF
Histogram resolution	0.01 dB
Intermodulation distortion
Measurement filter	Rectangular, Root Nyquist, Nyquist, and Gaussian
Occupied bandwidth
Minimum carrier power at RF input	-50 dBm
Measurement accuracy	0.2%
ACPR
Minimum carrier power at RF input	-40 dBm
Dynamic range 765 kHz offset 1.995 MHz offset 3.125 MHz offset 4 MHz offset	At -5 dBm signal input 76 dB (30 kHz BW) 81 dB (30 kHz BW) 81 dB (30 kHz BW) 82 dB (30 kHz BW)
Spectrum emission mask
Minimum carrier power at RF input	-5 dBm
Dynamic range 1.995 MHz offset	82 dB (30 kHz BW)
Code domain power
Relative code domain power accuracy	±0.15 dB/±0.075 dB (typical)
QPSK EVM
Minimum carrier power at RF input	-40 dBm
EVM floor, typical	2.0%
Modulation Accuracy (composite)
Minimum carrier power at RF input	-40 dB
Composite EVM floor, typical	2.0%
Rho (?)	0.999
Frequency error accuracy	±10 Hz + center frequency accuracy
Timing accuracy (tau)	±250 ns

1xEV-DO Reverse Link

Characteristics	Description
Channel power
Minimum power at RF input	-50 dBm
Absolute power measurement accuracy (at 20 to 30 °C, excluding mismatch error), typical	±0.6 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -50 dBm After Auto Level is performed at 10 MHz span.
Relative power measurement accuracy (at 20 to 30 °C, excluding mismatch error), typical	±0.2 dB at conditions below: Signal frequency: 824 to 960 MHz or 1750 to 2170 MHz Signal power: 0 dBm to -30 dBm After Auto Level is performed at 10 MHz span, 0 dBm input.
Resolution	0.01 dB
CCDF
Histogram resolution	0.01 dB
Intermodulation distortion
Measurement filter	Rectangular, Root Nyquist, Nyquist, and Gaussian
Occupied bandwidth
Minimum carrier power at RF input	-50 dBm
Measurement accuracy	0.2%
ACPR
Minimum carrier power at RF input	-40 dBm
Dynamic range   765 kHz offset   1.995 MHz offset   3.125 MHz offset   4 MHz offset	At -5 dBm signal input 74 dB (30 kHz BW) 83 dB (30 kHz BW) 83 dB (30 kHz BW) 84 dB (30 kHz BW)
Spectrum emission mask
Minimum carrier power at RF input	-5 dBm
Dynamic range 1.995 MHz offset	82 dB (30 kHz BW)
Code domain power
Relative code domain power accuracy	±0.15 dB/±0.075 dB (typical)
QPSK EVM
Minimum carrier power at RF input	-40 dBm
EVM floor, typical	2.0%
Modulation Accuracy (composite)
Minimum carrier power at RF input	-40 dB
Composite EVM floor, typical	2.0%
Rho (?)	0.999
Frequency error accuracy	±10 Hz + center frequency accuracy

Option 27 — 3GPP Release 5 Downlink (HSDPA) Analysis Software

Perform key measurements for 3GPP TS25.141 v5.7.0

3GPP-R5 Downlink

Characteristics	Description
Modulation Format
Modulation Format	QPSK, 16QAM auto detection
Channel power measurement
Minimum power at RF input	-50 dBm
Absolute power measurement accuracy (Typical)	±0.6 dB at 20 °C to 30 °C, excluding mismatch error (Signal frequency: 1900 to 2200 MHz; Signal power: +10 dBm to -30 dBm; after Auto Level is performed at 10 MHz span)
Relative Power Measurement Accuracy (Typical)	±0.2 dB at 20 °C to 30 °C, excluding mismatch error (Signal frequency: 1900 to 2200 MHz; Signal power: 0 dBm to -30 dBm; after Auto Level is performed at 10 MHz span)
Resolution	0.01 dB
ACLR measurement
Minimum carrier power at RF input	-40 dBm
Dynamic range	Test model 1, 16 ch, input power >–5 dBm 60 dB, typically 66 dB (5 MHz offset) 63 dB, typically 70 dB (10 MHz offset)
CCDF measurement
Histogram Resolution	0.01 dB
OBW (Occupied Bandwidth) measurement
Minimum carrier power at RF input	-50 dBm
Measurement accuracy	0.2% (5 MHz Span, 1000 times averaging)
Spectrum emission mask
Dynamic range	82 dB (30 kHz BW, Input Power > -5 dBm, 5 MHz offset)
Code domain power
Relative accuracy of code domain power accuracy	±0.15 dB, typically ±0.075 dB (Using Test Model 5, Total Power = 0 dBm, Code Level > -15 dB )
QPSK EVM (Pilot Channel Only)
Minimum carrier power at RF input	-60 dBm (EVM < 9 %)
EVM floor (Typical)	2.0% (Input Power > -40 dBm, 10 times averaged)
Modulation Accuracy (Composite, Test Model 5)
Minimum carrier power at RF input	-60 dBm (EVM < 9 %)
Composite EVM floor (Typical)	2.5 % (Input Power > -40 dBm, 10 times averaged)
Frequency error accuracy	±10 Hz + (center frequency accuracy)
Modulation accuracy (Composite, Alternate Scrambling Code)
Minimum carrier power at RF input	-60 dBm (EVM < 9 %)
Composite EVM floor (Typical)	2.5 % (Input Power > -40 dBm, 10 times averaged)
Frequency error accuracy	±10 Hz + (center frequency accuracy)

3GPP-R5 uplink

Characteristics	Description
ACK/NACK Analysis
ACK/NACK Analysis Function	ACK/NACK/DTX detection, CQI decode
Code domain power
Relative accuracy of code domain power accuracy	±0.15 dB, typically ±0.075 dB (Total Power = 0 dBm, Code Level > -15 dB )

Option 28 — 3GPP Release 4 Downlink and Uplink (TD-SCDMA)

Perform key measurements for TS25.102 (UL), 3GPP TS25.142 (DL)

Characteristics	Description
General
Frequency range	1850 – 2050 MHz
Minimum power at RF input	–60 dBm
Channel power measurement
Absolute power measurement accuracy (Typical, after Auto-level performed, excluding mismatch error, 5 MHz span)	±0.6 dB (Signal power +10 dBm to –30 dBm, 20 to 30 °C)
Relative power measurement accuracy (Typical, after Auto-level performed, excluding mismatch error, 5 MHz span)	±0.2 dB (Signal power +0 dBm to –30 dBm, 20 to 30 °C)
Resolution	0.01 dB
ACLR Measurement
Dynamic range	(8 active DPCH, Timeslots 4, 5, 6), input power > -20 dBm 60 dB, 1.6 MHz offset 61 dB, 3.2 MHz offset
CCDF Measurement
Histogram resolution	0.01 dB
Code domain analysis
Relative code domain power accuracy	Input power > –40 dBm ±0.15 dB (±0.075 typical) at code power > –10 dBc ±0.30 dB (±0.15 typical) at code power > –25 dBc
Code domain residual error	<–40 dB (Input power >–40 dBm)
Modulation and frequency related
Modulation format	QPSK
Residual EVM Floor	=1.5%, input level > –40 dBm (1 DPCH in timeslots 4, 5, and 6)
Residual origin offset	=–40 dB, input level >–40 dBm (1 DPCH in timeslots 4, 5, and 6)
Frequency error accuracy	±10 Hz + (center frequency accuracy)
Frequency lock range	±4 kHz from defined carrier frequency (input level > –40 dBm)
Other measurements	Occupied BW (OBW); Spectrum Emissions Mask (offset from carrier and inband, ungated)