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SPECTRUMANALYZERS

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Option 12: QP detector (MS2661B only)

Functions QP detection

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Requires Option 02. When Option 12 installed, Option 02 RBW 100 Hz 3 dB bandwidth changed to 150 Hz (typical) 6 dB bandwidth200 Hz, 9 kHz, 120 kHzAccuracy: ±30% (+18 to +28°C) DisplayLOG scale, 5 dB/div (10 divisions)Linearity: ≤ ±2.0 dB (0 to –40 dB, CW signal, reference level: 60 dBµV, RF ATT: 0 dB, +18 to +28°C) Response to CISPR pulse (DET mode: QP, +18 to +28°C)Pulse responsecharacteristics RepetitionBandwidth frequency120 kHz9 kHz200 Hz 1 kHz ≤ –8.0 ±1.0 dB ≤ –4.5 ±1.0 dB– 100 HzReferencedReferenced ≤ –4.0 ±1.0 dB 60 Hz–– ≤ –3.0 ±1.0 dB 25 Hz––Referenced 20 Hz ≤ +9.0 ±1.0 dB ≤ +6.5 ±1.0 dB– 10 Hz ≤ +14.0 ±1.5 dB ≤ +10.0 ±1.5 dB ≤ +4.0 ±1.0 dB 2 Hz ≤ +26.0 ±2.0 dB ≤ +20.5 ±2.0 dB ≤ +13.0 ±2.0 dB 1 Hz ≤ +28.5 ±2.0 dB ≤ +22.5 ±2.0 dB ≤ +17.0 ±2.0 dB QP on/off switching ≤ ±1.0 dB (CW signal, reference level – 40 dB, after auto-calibration, +18 to +28°C)uncertainty (PEAK, QP) Detection modeQP, AVERAGE Waveform data compensation data display for specified antenna factor, field strength (dBµV/m) Field strength measurement Built-in antenna factors:MP534A/651A Dipole Antenna, MP635A/666A Log-Periodic Antenna, MP414B Loop Antenna, user-defined (four types writable via GPIB or RS-232C, can be saved/loaded to/from memory card)

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Option 13: QP detector (MS2651B only)

6 dB bandwidth9 kHz, 120 kHzAccuracy: ±30% (+18 to +28°C) DisplayLOG scale, 5 dB/div (10 divisions)Linearity: ≤ ±2.0 dB (0 to –40 dB, CW signal, reference level: 60 dBµV, RF ATT: 0 dB, +18 to +28°C) Response to CISPR pulse (DET mode: QP, +18 to +28°C)Pulse responsecharacteristics RepetitionBandwidth frequency120 kHz9 kHz 1 kHz ≤ –8.0 ±1.0 dB ≤ –4.5 ±1.0 dB 100 HzReferencedReferenced 20 Hz ≤ +9.0 ±1.0 dB ≤ +6.5 ±1.0 dB 10 Hz ≤ +14.0 ±1.5 dB ≤ +10.0 ±1.5 dB 2 Hz ≤ +26.0 ±2.0 dB ≤ +20.5 ±2.0 dB 1 Hz ≤ +28.5 ±2.0 dB ≤ +22.5 ±2.0 dB QP on/off switching ≤ ±1.0 dB (CW signal, reference level – 40 dB, after auto-calibration, +18 to +28°C)uncertainty (PEAK, QP) Detection modeQP, AVERAGE Waveform data compensation data display for specified antenna factor, field strength (dBµV/m) Field strength measurement Built-in antenna factors:MP534A/651A Dipole Antenna, MP635A/666A Log-Periodic Antenna, MP414B Loop Antenna, user-defined (four types writable via GPIB or RS-232C, can be saved/loaded to/from memory card)

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Option 14: PTA parallel I/O

FunctionsControls external devices from PTA, cannot be installed when Option 10 installed As follows using PTA system variables IOA: Controls 8-bit parallel output port A IOD: Controls 4-bit parallel input/output port DSystem variablesIOB: Controls 8-bit parallel output port BEIO: Controls I/O switching of ports C/DIOC: Controls 4-bit parallel input/output port CEXO: Controls I/O trigger External interrupt control of input to I/O ports using PTA-PTL statementsIOEN statement: Enables interrupt inputON TO GOTO statement: Changes program flow at interrupt generationPTL statementsIODI statement: Disables interrupt inputON TO GOSUB statement: Changes program flow at interrupt generationIOMA statement: Masks interrupt input Write strobe signal Write strobe signal (negative pulse) output externally at control of output ports C/D Power supplyExternal +5 ±0.5 Vdc (max. 100 mA) supply Negative logic, TTL levelSpecified current:Signal logic levelsOutput ports A/B (max. output current Hi: 2.6 mA, Lo: 24 mA)Output ports C/D (max. output current Hi: 15 mA, Lo: 24 mA)Other control output lines (max. output current Hi: 0.4 mA, Lo: 8 mA) Continued on next page

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