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* [[Media:Tek_496_Catalog_Spec_1986.pdf| Tektronix 496 Final Spec (PDF, OCR)]]
* [[Media:Tek_496_Catalog_Spec_1986.pdf| Tektronix 496 Final Spec (PDF, OCR)]]
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The '''Tektronix 496''' is a spectrum analyzer with a frequency range of 1 kHz to 1.8 GHz.  The '''P''' suffix designation indicates GPIB '''P'''rogrammability.  The minimum resolution bandwidth is 30 Hz, and provides measurement resolution proportional to the frequency accuracy or span.  With non-volatile memory (NVRAM) you can save up to 9 waveform displays, up to 10 complete front panel measurement parameter setups, and 8 K for programming macros of commonly used routines.
The '''Tektronix 496''' is a spectrum analyzer with a frequency range of 1 kHz to 1.8 GHz, introduced in 1982.   


The single and delta markers provide direct readout of frequency and amplitude information of any point along any displayed trace.  Or, get the relative (delta) frequency and amplitude information between any two points along any displayed trace or between traces.
The P suffix indicates [[GPIB]] programmabilityNon-volatile memory (NVRAM) can store up to 9 waveform displays, 10 complete front panel measurement parameter setups, and 8 K for programming macros of commonly used routines.
 
Additional features include: Continuous Resolution Frequency Tuning, Up to 80 dB Viewable Dynamic Range, Built-in Frequency Counters Provide Frequency Determination to within 0.0000001%, Sensitivities to -134 dBm, Built-in Intelligence for Signal Processing/Marker Functions, Push Button Occupied-Bandwidth/Noise Normalization Functions, Macro Capability with Nonvolatile Memory, Optional Switch-Selectable 50/75Ω Impedances, GPIB Programming with Tek Codes and Formats for Standardized Bus Operation, and optional MATE/CIIL Compatibility for Military Applications.
 
Front panel inputs/outputs are: RF INPUT 50Ω [[N connector]] (Input connector for RF signals to 21 GHzIf input signal has a dc component use a blocking capacitor in line with the signals); CAL OUT [[BNC connector]] (Calibrator output provides -20 dBm 100 MHz signal and a comb of frequency markers 100 MHz apart).  Opt. 07 adds switchable 50Ω/75Ω output.  75Ω output at +20 dBmV 100 MHz signal; 1ST LO OUTPUT [[SMA connector]] (Provides access to the output of the 1st local oscillator.  Must be terminated into 50 Ω when they are not connector to an external device); 2ND LO OUTPUT [[SMA connector]] (Provides access to the output of the 2nd local oscillator.  Must be terminated into 50Ω when they are not connector to an external device); Opt. 07 adds RF INPUT 75Ω [[TNC connector]] (Input connector for RF signals to 5 MHz to 1 GHz;; and Camera Power .
 
Rear panel inputs/outputs are: PROBE POWER (Provides operating voltages (+5V, -15 V, +15 V; 100 mA max each) for active probes); HORIZ|TRIG (EXT IN) [[BNC connector]] (A dual function connector: When in External Triggering mode the connector is an AC coupled input for trigger signals.  When the TIME/DIV selection is EXT the connector is a DC coupled input for horizontal sweep voltages); MARKER/VIDEO (EXT IN) [[BNC connector]] (Available on instruments without Opt. 42 only.  See 110 MHz IF for Opt. 42 instruments.  This connector interfaces the spectrum analyzers with a Tektronix 1405 TV Adapter to display an externally-generated marker) 110 MHz IF (OUTPUT) [[BNC connector]] (Available on Opt. 42 utilizing the HORIZ (OUTPUT) connector.  This connector provides 110 MHz IF output with a bandwidth greater than 5 MHz.  Input external video signals into the PEN LIFT connector); HORIZ (OUTPUT) [[BNC connector]] (Supplies a 0.5 V/div horizontal signal); VERT (OUTPUT) [[BNC connector]] (Provides access to the video signal with 0.5 V for each division of displayed video above or below the center line.)
 
NOTE: Both HORIZ and VERT output signals are driven from digital storage if it is on.  Both signals are driven from the analyzer sweep and video amplifier stage if digital storage is off;
 
PEN LIFT (OUTPUT) [[BNC connector]] (Provides access to a TTL compatible signal to lift the pen of a chart recorder during sweep retrace.  This signal is always derived from the spectrum analyzer sweep.  In Opt. 42 instruments, use this connector to input external video signals if pin 1 of the ACCESSORIES connector is grounded; 10 MHz IF (OUTPUT) [[BNC connector]] (Provides access to the output of the 10 MHz IF); EXT REF IN [[BNC connector]] (A 50Ω input for a 1, 2, 5, or 10 MHz external reference signals, within -15 dBm to +15 dBm level.  Input signals must be a sinewave with a duty cycle symmetry of 40% to 60%, or ECL or TTL); J104 ACCESSORY (B053575 AND UP) female [[DB25 connector]] (Provides bidirectional access to the instrument bus. For instruments B053574 and below, this connector has no application.); IEEE STD 488 PORT [[GPIB interface]] (Added to all "P" suffixed instruments)


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Frequency | 1 kHz to 1.8 GHz }}
{{Spec | Frequency               | 1 kHz to 1.8 GHz }}
{{Spec | Frequency Span | 50 Hz to 100 MHz in 1, 2, 5 sequence (plus 0 Hz and MAX)}}  
{{Spec | Frequency Span         | 50 Hz to 100 MHz in 1, 2, 5 sequence (plus 0 Hz and MAX)}}  
{{Spec | Resolution Bandwidth | 30 Hz, then 100 Hz to 1 MHz in decade steps (-6 dB bandwidth) }}   
{{Spec | Resolution Bandwidth   | 30 Hz; 100 Hz to 1 MHz in decade steps (-6 dB bandwidth) }}   
{{Spec | RF Input impedance | 50 Ω }}
{{Spec | RF Input               | 50 Ω; max. +30 dBm (1 W) CW; max. 75 W peak @ 1 µs pulse, 0.1% duty factor }}
{{Spec | Maximum Safe Input Power | CW: +30 dBm (1 W); Pulse: 75 W Pk (1 µS pulse, 0.1% duty factor) }}
{{Spec | RF Attenuator           | 0 to 60 dB, 10 dB steps }}
{{Spec | RF Attenuator | 0 dB to 60 dB, 10 dB steps }}
{{Spec | Reference Level         | −123 dBm to +40 dBm }}  
{{Spec | Reference Level | -123 dBm to +40 dBm }}  
{{Spec | Sweep Speed             | 10 sec/div to 20 µs/div in 1, 2, 5 sequence }}
{{Spec | Sweep Speed | 10 sec/div to 20 µs/div in 1, 2, 5 sequence }}
{{Spec | Video Bandwidth         | 0.3 Hz to 30 kHz }}  
{{Spec | Video Bandwidth | 0.3 Hz to 30 kHz }}  
{{Spec | Triggering Modes       | Free Run, Line, Video, Single, External }}
{{Spec | Triggering Modes | Free Run, Line, Video, Single, External }}
{{Spec | Displayed Average Noise | −30 dBm to −131 dBm }}
{{Spec | Displayed Average Noise | −30 dBm to −131 dBm }}
{{Spec | Display Dynamic Range | 80 dB }}  
{{Spec | Display Dynamic Range   | 80 dB }}  
{{Spec | Calibrator (Cal out) | 50Ω, -20 dBm ±0.3 dB at 100 MHz; Opt. 07: 75Ω, +20 dBmV ±0.3 dB at 100 MHz }}
{{Spec | Calibrator             | 50 Ω, -20 dBm ±0.3 dB at 100 MHz (Opt. 07: 75 Ω, +20 dBmV ±0.3 dB at 100 MHz) }}
{{Spec | Included Accessories | Operator’s Manual; Operator’s Handbook; 6-ft 50Ω coaxial cable N-N; 18-inch 50Ω coaxial cable BNC-BNC; N male to BNC female adapter; rear connector shield; Power Cord; spare fuses; CRT filter set consisting of visor, blue, amber and gray light filters plus mesh filter; 496P only: Programmer Manual and GPIB cable }}
{{Spec | Weight                 | 20 kg (44 lbs) }}  
{{Spec | Weight | 20 kg (44 lbs) }}  
{{Spec | Power                   | 90 − 132 V<sub>AC</sub>, 48 to 440 Hz; 180 – 250 V<sub>AC</sub>, 48 to 440 Hz, 210 W max }}
{{Spec | Power | 90 − 132 V<sub>AC</sub>, 48 to 440 Hz; 180 – 250 V<sub>AC</sub>, 48 to 440 Hz.  At 115 V<sub>AC</sub>, 60 Hz, 210 W max }}
{{Spec | Features |
{{Spec | Operating Atmospherics | Temperatures: -15 °C to +55 °C;  Humidity: Five cycles (120 hours) MIL-STD-810; Altitude: Up to 4.5 km (15,000 ft) }}
* Continuous resolution frequency tuning
{{Spec | GPIB Characteristics | In accordance with IEEE Standard 488-1978 implemented as SH1, AH1, T5, L3, SR1, RL1, PP1, DC1, DT1, and C0 }}
* Markers provide direct readout of frequency and amplitude (single and delta)
* Built-in intelligence for signal processing/marker functions
* Pushbutton Occupied Bandwidth / Noise Normalization functions
* Macro Capability
* Optional switch-selectable  50 Ω/75 Ω Impedance
* GPIB Programming
}}
{{EndSpecs}}
{{EndSpecs}}
==Options==
==Options==
* Opt. 07: 75Ω dBmV input and calibration in addition to the normal 50Ω dBm input and calibration.  (Not combinable with Opt. 21 and 22; no external mixer capability).  Include 42-inch 75Ω BNC-BNC coax cable and BNC male to “F” female adapter.
* Opt. 07: 75 Ω dBmV input and calibration in addition to the normal 50 Ω dBm input and calibration.  (Not combinable with Opt. 21 and 22; no external mixer capability).  Include 42-inch 75 Ω BNC-BNC coax cable and BNC male to “F” female adapter.
* Opt. 30: Rackmount with front panel input/outputs  
* Opt. 30: Rackmount with front panel input/outputs  
* Opt. 31: Rackmount with rear panel input/output capability  
* Opt. 31: Rackmount with rear panel input/output capability  
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* Opt. 42: Replaces MARKER/VIDEO input port on the rear panel with a 110 MHz IF output port that provides a 3 dB signal bandwidth ≥ 4.5 MHz
* Opt. 42: Replaces MARKER/VIDEO input port on the rear panel with a 110 MHz IF output port that provides a 3 dB signal bandwidth ≥ 4.5 MHz


Front panel inputs/outputs
* RF INPUT, [[N connector]], 50 Ω; Opt. 07 adds RF INPUT 75 Ω, [[TNC connector]]
* CAL OUT, [[BNC connector]]
* 1ST LO OUTPUT, [[SMA connector]] (must be terminated into 50 Ω when not connected)
* 2ND LO OUTPUT, [[SMA connector]] (must be terminated into 50 Ω when not connected)
* Camera power
Rear panel inputs/outputs:
* PROBE POWER, [[LEMO S-series connector]] – ±15 V, +5 V; 100 mA max each
* HORIZ/TRIG (EXT IN), [[BNC connector]] – In External Triggering mode, AC coupled input for trigger signals; When TIME/DIV selection is EXT, DC coupled input for horizontal sweep voltages.
* MARKER/VIDEO (EXT IN), [[BNC connector]] – Interfaces with a Tektronix 1405 TV Adapter to display an externally-generated marker
* 110 MHz IF (OUTPUT), [[BNC connector]] – Available on Opt. 42 utilizing the HORIZ (OUTPUT) connector; 110 MHz IF output with a bandwidth greater than 5 MHz
* HORIZ (OUTPUT), [[BNC connector]] – 0.5 V/div horizontal signal
* VERT (OUTPUT), [[BNC connector]] – Video signal, 0.5 V/Div
* PEN LIFT (OUTPUT), [[BNC connector]] – TTL compatible (In Opt. 42 instruments, external video input if pin 1 of the ACCESSORIES connector is grounded)
* 10 MHz IF (OUTPUT), [[BNC connector]]
* EXT REF IN, [[BNC connector]] – 50 Ω input for 1, 2, 5, or 10 MHz external sinewave reference signal, –15 dBm to +15 dBm
* J104 ACCESSORY (B053575 AND UP) female, [[DB25 connector]] – Bidirectional access to the instrument bus
* IEEE STD 488 PORT
Original included Accessories:
Operator’s Manual; Operator’s Handbook; 6-ft 50Ω coaxial cable N-N; 18-inch 50Ω coaxial cable BNC-BNC; N male to BNC female adapter; rear connector shield; Power Cord; spare fuses; CRT filter set consisting of visor, blue, amber and gray light filters plus mesh filter; 496P only: Programmer Manual and GPIB cable


==Links==
==Links==
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Tek_496P_4.jpg
Tek_496P_4.jpg
</gallery>
</gallery>
{{Custom ICs|496}}


[[Category:Spectrum analyzers]]
[[Category:Spectrum analyzers]]
[[Category:Manual needed]]
[[Category:Manual needed]]

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