二手 ANRITSU MT8860B #144746 待售

WLAN test set Includes options: 011, 013 Support 802.11b/g Transmit Spectrum Mask IEEE 802.11b–1999 (18.4.7.3) Definition Spectrum measurement derived from gate 1 or 2 Gate Width From gate 1 or 2, 50 μs to 5.95 ms Dither Mode OFF - Default mode ON - Additional Signal processing removes spurs from the spectral measurement Frequency Span 70 MHz (fc ±35 MHz) Flatness Over Frequency Span ±1 dB Linearity ±0.8 dB (50 dB dynamic range CW measurements) Resolution 0.1 dB Range +20 dBm to –40 dBm modulated carrier power Dynamic Range >50 dB (usable dynamic range with Dither Mode set to ON) Receiver Resolution Bandwidth Equivalent to 100 kHz Gaussian Noise floor (for all supported channels) –110 dBm Spurious specification (supported channels) <–56 dBc Transmit Center Frequency Tolerance IEEE 802.11b–1999 (18.4.7.4) Accuracy ±1 kHz ± reference frequency oscillator error (ppm) for gate >1 ms Resolution 100 Hz Chip Clock Frequency Tolerance IEEE 802.11b–1999 (18.4.7.5) Definition Frequency error relative to 11MHz Chip clock. Measurement averaged over a fully coded DSSS packet with minimum payload length of 3,300 chips (300 μs) Display Format Hz and ppm Range ±50 ppm Resolution 0.1 Hz, 0.1 ppm Analysis Length 3,300 to 30,250 chips (default 5,500 chips) Transmit Power-On & Power-Down Ramp IEEE 802.11b–1999 (18.4.7.6) Definition Time for 802.11 burst to transit from 10% to 90% or 90% to 10% of linear power Resolution 0.1 μs Data Outputs 10%, 90% and delta values RF Carrier Suppression IEEE 802.11b–1999 (18.4.7.7) Definition Relative Level of the carrier to highest sideband for a 10101010 test pattern with scrambler disabled, data rate 2 Mbps Range As spectral mask range Dynamic Range As spectral mask dynamic range Flatness As spectral mask flatness Linearity As spectral mask linearity Resolution As spectral mask resolution Transmit Modulation Accuracy IEEE 802.11b–1999 (18.4.7.8) Definition Peak and Average Error Vector Magnitude measurement performed as defined in 802.11b specification for DBPSK and DQPSK modulated packets. Measurement averaged over a fully coded DSSS packet with minimum payload length of 220 chips (20 μs) Measurement Accuracy <10% residual RMS EVM +18 dBm to –45 dBm Modulation Setting Data rate 1, 2, 5.5 or 11 Mbps. (NOTE: 1 Mbps analysis only available if Option 11 is fitted) Displayed Measurement Range 1% to 100% dependent on modulation Measurement Configuration RX Filter Selection Selectable between: None Gaussian, BT 0.3 to 1.0 (default 0.5), resolution 0.1 Root Raised Cosine, a 0.30 to 1.00 (default 0.35), resolution 0.01 (NOTE: Rx filter selection only available if Option 11 is fitted and DSSS EVM filter calibration implemented.) Averaging Single measurements, or averaging applied to the EVM results Analysis Length 220 to 11,000 chips (default 1,000 chips) Receiver Minimum Input Sensitivity IEEE 802.11b–1999 (18.4.8.1) Definition Packet Error Rate (PER) at defined power level Power Range See Reference Radio Transmitter section Mode Network: MT8860B forms connection with the DUT. Unicast and Broadcast packets supported Direct: MT8860B transmits a defined number of packets Data Packet Structure Complies with 802.11 specifications for MAC header formatting, scrambling, encoding, interleaving and calculation of the appropriate CRC/FCS checksum Number of Transmitted Packets 1 to 1000 (default 500) Payload Length 1 to 1500 bytes (default 1,024 bytes) Preamble Format Long or Short Payload All 1’s, all 0’s, 0101, Counting, PN7, PN9, 1010 or Random. Payload data is scrambled over air Data Rates 1, 2, 5.5 or 11 Mbps Network Mode Settings Inter-packet Interval 0 to 65535 ms Inter-packet Resolution 1 ms DUT Tx Power Level –30 to + 30 dBm This is the expected power level of the ACK packet transmitted by the DUT in response to a correctly received Unicast packet. This value is used by the MT8860B to calculate the amount of return path attenuation required to prevent MT8860B reference radio receiver saturation. Direct Mode Settings Inter-packet Spacing 0 to 200 slots (default 5 slots) Inter-packet Resolution 20 μs DUT MAC Address Range 00-00-00-00-00-00 to FF-FF-FF-FF-FF-FF Receiver Maximum Input Level IEEE 802.11b–1999 (18.4.8.2) Definition Receiver PER specification as for 18.4.8.1 Receiver Adjacent Channel Rejection IEEE 802.11b–1999 (18.4.8.3) Definition Adjacent Channel measurements made with external modulated signal source (e.g.MG3700A) using one of the interferer ports Additional Measurements Occupied Bandwidth Measures the frequency range within which the specified percentage power is contained Occupied Bandwidth Percentage 1 to 99% Frequency vs Time Frequency drift measured over packet transmission 802.11g Measurements (Option 13) The following applies to data rates that use OFDM modulation. For DSSS data rates, please refer to the 802.11b measurement section Transmitter Power Levels IEEE 802.11g–2003 (19.4.7.1) Definition Average, peak and crest factor power measurements on OFDM modulated signals on the supported channels Damage Levels > +27 dBm Dynamic Range +18 dBm to –50 dBm average power (+27 dBm peak) Accuracy (CW) ±0.6 dB (+18 dBm to –30 dBm), ±1.0 dB (–30 dBm to –50 dBm) Resolution 0.1 dB Capture Width 10 μs to 5.95 ms Time Resolution 0.1 μs marker resolution with 10 μs time window Transmitter Spectrum Mask IEEE 802.11g–2003 (19.5.4) Definition Display of Spectrum measurement derived from gate 1 or 2 Gate Width (spectral measurement) From gate 1 or 2, 50 μs to 5.95 ms Dither Mode OFF - Default mode ON - Additional Signal processing removes spurs from the spectral measurement Flatness Over Frequency Span ±1 dB Linearity ±0.8 dB (50 dB dynamic range CW measurements) Resolution 0.1 dB Frequency Span 70 MHz (fc ±35 MHz) Range +18 dBm to –40 dBm modulated carrier power Dynamic Range (Useable dynamic range for signals with 8 dB crest factor and Dither Mode set to ON) ±11 MHz from fc 30 dB (typical 46 dB) ±20 MHz from fc 40 dB (typical 48 dB) ±30 MHz from fc 43 dB (typical 50 dB) Receiver Resolution Bandwidth Equivalent to 100 kHz Gaussian Noise floor (for supported channels) –110 dBm Spurious Specification <–56 dBc Transmit Center Frequency Tolerance IEEE 802.11g–2003 (19.4.7.2) Definition Average Frequency of the OFDM carrier signal Data Output Format Hz and ppm Accuracy ±1 kHz ± reference frequency oscillator error (ppm) for gate >1 ms Resolution 100 Hz Symbol Clock Frequency Tolerance IEEE 802.11g–2003 (19.4.7.3) Definition Frequency error relative to 250 kHz symbol clock as per 802.11g. Measurement averaged over a fully coded OFDM packet with minimum payload length of 16 symbols (64 μs) Data Output Format Hz and ppm Range ±40 ppm Resolution 0.01 Hz, 0.1 ppm Analysis Length 16 to 500 symbols (default 55 symbols) Transmitter Center Frequency Leakage IEEE 802.11g–2003 (19.4.7) Reference IEEE 802.11a–1999 (17.3.9.6.1) Definition Measurement of the leakage of the center carrier Data Output Format dB Resolution 0.1 dB Transmitter Spectral Flatness IEEE 802.11g–2003 (19.4.7) Reference IEEE 802.11a–1999 (17.3.9.6.2) Definition Graphical display of the RF sub-carrier power level Display includes limit lines (IEEE802.11a-1999) Overall Pass/Fail status indicated For measurement failure, a numeric measurement result of the failing sub-carrier(s) is reported Unit of measurement dBr Transmitter Modulation Accuracy IEEE 802.11g–2003 (19.7.2.7) Definition Peak and Average EVM. Measurement averaged over a fully coded OFDM packet with minimum payload length of 16 symbols (64 μs) Measurement Accuracy <2% residual RMS EVM for 54 Mbps OFDM +18 dBm to –45 dBm Modulation Setting Data rates 6, 9, 12, 18, 24, 36, 48 or 54 Mbps Data Output Format Peak and average EVM all sub-carriers, dB or percentage Peak and average EVM on each sub carrier (frequency domain), % vs sub carrier –26 to +26 EVM vs symbol (time domain), % vs symbol number, 1 to specified analysis length Analysis Length 16 to 500 symbols (default 40 symbols) OFDM Pilot Tracking User selection of Phase tracking only or Phase and Amplitude tracking Receiver Minimum Input Sensitivity IEEE 802.11g–2003 (19.5.1) Definition Packet Error Rate (PER) at defined power level Power Range See Reference Radio Transmitter section Mode Network: MT8860B forms connection with DUT. Unicast and Broadcast packets supported Direct: MT8860B transmits defined number of packets Data Packet Structure Complies with 802.11 specifications for MAC header formatting, scrambling, encoding, interleaving and calculation of the appropriate CRC/FCS checksum Number of Transmitted Packets 1 to 1000 (default 500) Payload Length 1 to 1,500 bytes (default 1,024 bytes) Payload All 1’s, all 0’s, 0101, Counting, PN7, PN9, 1010 or Random. Payload data is scrambled over air Data Rates 6, 9, 12, 18, 24, 36, 48 or 54 Mbps Network Mode Settings Inter-packet Interval 0 to 65535 ms Inter-packet Resolution 1 ms DUT Tx Power Level –30 to + 30 dBm This is the expected power level of the ACK packet transmitted by the DUT in response to a correctly received Unicast packet. This value is used by the MT8860B to calculate the amount of return path attenuation required to prevent MT8860B reference radio receiver saturation. Direct Mode Settings Inter-packet Spacing 0 to 200 slots (default 5 slots) Inter-packet Resolution 9 μs (OFDM) DUT MAC Address Range 00-00-00-00-00-00 to FF-FF-FF-FF-FF-FF Receiver Adjacent Channel Rejection IEEE 802.11g–2003 (19.5.2) Definition Adjacent Channel measurements made with external modulated signal source (e.g. MG3700A) using external interferer port Receiver Maximum Input Level IEEE 802.11g–2003 (19.5.3) Definition As per IEEE 802.11g-2003 (19.5.1) Additional Measurements CCDF CCDF defined as percentage of samples against dB, where percentage of samples is normalized to the average power in the gate, and dB is defined as the relative value of samples greater than the average Measurement Scales Y-axis, Log scale, fixed values of 100, 10, 1, 0.1, 0.01% X-axis, dB scale, fixed values of 0 to 12 dB TX Measurement Controls Triggers Free Run Continuous unsynchronised RF Edge RF triggering on rising or falling edge, detected at RF input User set level RF Edge Dynamic Range +18 dBm to –40 dBm average power in auto range mode Video Video triggering on rising or falling edge, detected at IF, trigger level auto set Video Trigger Dynamic Range 802.11b/802.11g (DSSS): Triggers at –10 dB below average power 802.11g (OFDM): Triggers at –20 dB below average power level +18 dBm to –50 dBm average power in auto range mode External TTL input, BNC on Rear Panel Measurement Gates Two gates for Power, Spectrum, Frequency and CCDF measurements. Gate positions set directly by GPIB Settable Gate Range 10 μs to 5.95 ms Tx Analysis auto-configure function Using this function, the following parameters are automatically configured by the MT8860B; Input Level Range Pre-trigger Capture Width Trigger settings Measurement Gate settings Reference Radio Transmitter Network and Direct Modes Supported Channels Channels 1-14 (802.11b) Channels 1-14 (802.11g DSSS) Channels 1-13 (802.11g OFDM) Output power (for supported channels) –3 to –100 dBm (settable to 0 dBm but performance unwarranted) Power Accuracy (for supported channels) ±1.0 dB (–3 dBm to –90 dBm, CW 18 to 28° C) ±2.0 dB typical (<–90 dBm to –100 dBm, CW 18 to 28 degrees) Specification warranted for packets transmitted during receiver sensitivity Settable Resolution 0.1 dB Output Impedance 50 ½ < 2:1 VSWR Frequency Accuracy ±20 ppm Modulation Accuracy (channels 1 to 13) 802.11b / 802.11g (DSSS) 802.11g (OFDM) <10%, RMS EVM, 11 Mbps, <–20 dBm <5.6%, RMS EVM, 54 Mbps, <–20 dBm Nominally <4%, RMS EVM, 54 Mbps, <–20 dBm Nominally <5.6%, RMS EVM, 54 Mbps, –3 to –20 dBm Reference Radio Receiver Network and Direct Modes Supported Channels See Reference Radio Transmitter Section (above) Maximum Safe Input +27 dBm Peak Power Damage level +32 dBm Peak power (Excluding range 3) Input VSWR (for supported channels) <1.5:1 Sensitivity –40 dBm (for <0.1% PER) General Reference Frequency Oscillator Frequency 10 MHz Aging <±1 ppm/year, <±2.5 ppm/10 years Drift <±0.5 ppm 0 to +45° C Inputs & Outputs Front Panel Inputs & Outputs Test Port In/Out Provides connection to DUT, N-type (f), 50 ½ nominal Interferer Inputs 1 & 2 Provides input for external signal source (e.g. MG3700A), N-type (f), 1.5:1 VSWR Max Input power +27 dBm Loss to Test Port In/Out: 20 dB ±1 dB (for supported channels) WLAN Reference Input Allows an external reference radio to be used for DUT receiver measurements using only the leveling loop and attenuator of MT8860B Power output leveled to specified level for packets >110 ms Power input range +12 dBm to +18 dBm No measurements supported by MT8860B in this mode 19 Rear Panel Inputs & Outputs GPIB IEEE 488.2 compliant 10 MHz out As Reference Frequency Oscillator specification, TTL 10 MHz in TTL Digital Inputs Input 1 BNC, TTL input for an external trigger source Input 2 BNC, TTL input TX ON signal from an external reference radio. The TX ON signal must be the same length as the RF transmission from the external WLAN radio Digital Outputs Output 1 BNC, TTL compatible The user can select between one of the following: 1. The TX trigger signal from the internal reference radio 2. The trigger signal from the MT8860B when the trigger source is set to RF 3. The trigger signal from the MT8860B when the trigger source is set to Video (default setting) Output 2 BNC, TTL compatible The user can select between one of the following: 1. The TX trigger signal from the internal reference radio (default setting) 2. The trigger signal from the MT8860B when the trigger source is set to RF 3. The trigger signal from the MT8860B when the trigger source is set to Video General Power supply 85 to 264V AC Frequency 47 to 63 Hz Power 100 VA Size and Weight Dimensions 180 mm x 320 mm x 350 mm Weight <10 kg Operating Temperature Range +5°C to +40°C Operating Humidity <75% non condensing Safety Complies with BS EN 61010–1 (Equivalent to IEC 61010–1) EMC Conforms to the protection requirements of EEC Council Directive 89/336/EEC.