495

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The Tektronix 495 is a spectrum analyzer with a frequency range of 100 Hz to 1.8 GHz. The P suffix designation indicates GPIB Programmability.

Key Specifications

Frequency	100 Hz to 1.8 GHz
Frequency Span	10 Hz to 100 MHz (1–2–5), 0 Hz, MAX
Resolution Bandwidth	10 Hz to 3 MHz in decade steps (-6 dB bandwidth)
RF Input	50 Ω, max. +30 dBm (1 W) CW or 75 W peak pulse (1 µs pulse, 0.1% duty factor)
RF Attenuator	0 dB to 60 dB, 10 dB steps
Reference Level	–117 dBm to +30 dBm
Sweep Speed	10 sec/div to 20 µs/div in (1–2–5)
Video Bandwidth	0.3 Hz to 30 kHz
Triggering Modes	Free Run, Line, Video, Single, External
Displayed Average Noise	−30 dBm to −131 dBm
Display Dynamic Range	90 dB
Calibrator (Cal out)	50 Ω, -20 dBm ±0.3 dB at 100 MHz; Opt. 07: 75 Ω, +20 dBmV ±0.3 dB at 100 MHz
Weight	19.44 kg (42 lbs)
Power	90 − 132 VAC, 48 to 440 Hz; 180 – 250 VAC, 48 to 440 Hz. At 115 VAC, 60 Hz, 210 W max
Features	NVRAM storage for 9 displays and up to 10 front panel parameter setups 8K NVRAM for programming macros single and delta markers frequency counters

See 495/Connections for detail on inputs/outputs.

Options

• 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).
• Opt. 23: GRASP software, PC2A interface, and GPIB cable
• Opt. 27: Epson LT-386SX, GRASP software, PC2A interface, and GPIB cable
• Opt. 28: Compaq Deskpro 386S, Model 40, GRASP software, PC2A interface, and GPIB cable
• Opt. 39: Non-lithium (Silver) batteries for battery-backed memory
• 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. 45: MATE/CIIL language interface

Pictures

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