rf Tektronix MBD: Products > 3026 Real-time Spectrum Analyzer : Characteristics [an error occurred while processing this directive]
 

-

-

Real-time Spectrum Analyzer

3026

This product is discontinued.
View alternative products
.

Check product support status.

Characteristics

Frequency Related

Frequency Range -
RF Mode: 10 MHz to 3 GHz.
Baseband Mode: 50 Hz to 10 MHz.

Frequency Span -
RF Mode: 100 Hz to 3 GHz.
Baseband Mode: 100 Hz to 10 MHz.

Stability of Frequency Standard - ± 5 x 10-9/day.

Residual FM - 3 Hz max.

Spectrum Purity - -100 dBc/Hz (10 kHz offset).

Center Frequency Settability - 0.1 Hz.

Amplitude Related

Reference Level Range -
RF mode: -50 to +30 dBm.
Baseband Mode: -30 to +30 dBm.

Input Impedance - 50 Ohm.

Input VSWR - <1.5 (at reference level >-20 dBm).

Maximum Nondestructive Input Voltage - +30 dBm.

Internal Gain - ±1.0 dBm at 25 MHz.

Flatness -
±2.0 dB (>500 Hz).
+2.0, -5.0 dB (<500 Hz).

Input Equivalent Noise - -140 dBm/Hz at 1 GHz.

2nd Harmonic Distortion - <-70 dBc (-10 dBfs input level).

3rd Order Distortion -
<-60 dBc (<20 MHz, <-10 dBfs input).
<-70 dBc (<20 MHz, <-10 dBfs input).

Spurious Response -
<-65 dBc (<400 kHz offset).
<-70 dBc (>400 kHz offset).

Residual Response -
<-40 dBfs (50 Hz +10 bin).
<-65 dBfs (>center ±2 bin).
<-70 dBfs (>exclude above).

Image Suppress - -70 dB.

A/D Converter - 12-Bits, 25.6 MS/s.

Input Anti-aliasing Filter -
±0.3 dB (<10 MHz).
-60 dB (>15.5 MHz).

Frame Time Related

FFT Points - 1024, 256.

FFT Window - Blackman-Harris, Hamming, Rectangle.

Operation Accuracy - 16-Bit, Block-Floating.

Maximum Overlapping at 1024 FFT Point -
512 point at 5 MHz.
768 point at 2 MHz span.
896 point at 1 MHz.
960 point at 500 kHz span.
960 point at 200/20/2 kHz span.
992 point at 100/10/1 kHz span.
1008 point at 50/5 kHz span.
1008 point at 500/200/100 Hz span.

Maximum Overlapping at 256 FFT Point -
192 point at 2 MHz.
224 point at 1 MHz.
240 point at 500 kHz span.
192 point at 200/20/2 kHz span.
224 point at 100/10/1 kHz span.
240 point at 50/5 kHz span.
240 point at 500/200/100 Hz span.

Decimation Filter Related

Filter Type -
5 MHz span: 134-tap FIR Filter.
2 MHz span: 201-tap FIR Filter.
1 MHz span: 268-tap FIR Filter.
500 kHz span: 317-tap FIR Filter.
200 kHz span: 391-tap FIR Filter.
100 kHz span: 503-tap FIR Filter.
50 kHz span: 503-tap FIR Filter with 4-stage Comb Filter.
10 kHz span: 503-tap FIR Filter with 4-stage Comb Filter.
5 kHz span: 459-tap FIR Filter with 4-stage Comb Filter.
2 kHz span: 503-tap FIR Filter with 4-stage Comb Filter.
1 kHz span: 459-tap FIR Filter with 4-stage Comb Filter.
500 Hz span: 459-tap FIR Filter with 4-stage Comb Filter.
200 kHz span: 459-tap FIR Filter with 4-stage Comb Filter.
100 kHz span: 503-tap FIR Filter with 4-stage Comb Filter.

Word Length FIR Filter Coefficient - 20-Bit.

Stopband Attenuation - 90 dB.

Passband Ripple - 0.2 dB.

Minimum Frame Update Rate

Span 1024 point 512 point
500 kHz to 5 MHz 16 µs
500 kHz to 2 MHz
40 µ
50 kHz to 200 kHz 400 µs 400 µs
5 kHz to 20 kHz 4 ms 4 ms
500 Hz to 2 kHz 40 ms 40 ms
200 Hz 100 ms 100 ms
100 Hz 200 ms 200 ms

Real Time Span - < 2 MHz.

Trigger Related

Trigger Mode - Auto/Normal (Frequency and Time Events).

Trigger Source - Internal/External.

Internal Trigger Level -
Max: 0 dBfs.
Min: -55 dBfs.

Level Resolution of Internal Trigger - 19-Bit.

Frequency Resolution of Internal Trigger -
Span/800: 5 MHz span, 1024 point FFT.
Span/640: 2 MHz span, 1024 point FFT.
Span/160: 256 point FFT.

Time Resolution of Internal Trigger - Same as the interval of spectrum frame update.

External Trigger Level - 1.6 V ±0.2 V.

Voltage Range of External Trigger Input - 0 to 5 V.

Acquire Mode - Block/Roll.

Maximum Block Length -
1,000 frames (1024 point FFT).
4,000 frames (256 point FFT).

Roll Mode Update Rate - 10 frame/sec.

Acquisition Related

The 3026 offers a full 2 MHz of real-time bandwidth with measurement speed of 25,000 frames/second and a 1024 point update interval of 160 microseconds.

System Controller

486DX4-100 (100 MHz Clock), 32 MB 60 ns fast page SIMM (nonparity), 2.5 in. 3 MB solid state drive, 2.5 in. 2.1 GB hard disk, 3.5 in. 2 HD (1.44 MB) floppy disk, on board Ethernet LAN I/F, ISA half size GPIB.

Environmental

Temperature -
Operating: +10°C to 40°C.
Nonoperating: -20°C to +60°C.

Temperature Gradient -
Operating: <5 per hour (no condensation).
Nonoperating: <30 per hour (no condensation).

Relative Humidity -
Operating: 20% to 80% (no condensation). Maximum wet-bulb temperature 29.4.
Nonoperating: 5% to 90% (no condensation). Maximum wet-bulb temperature 40.0.

Altitude -
Operating: up to 4.5 km (15,000 ft). Maximum operating temperature decreases 1 each 300 m above 1.5 km.
Nonoperating: Up to 15 km (50,000 ft).

Vibration -
Operating: 0.27 GRMS, 5 Hz to 500 Hz.
Nonoperating: 2.28 GRMS, 5 Hz to 500 Hz.

Shock -
Nonoperating: 294 m/s (30 G), half-sine, 11 ms duration. Three shocks per axis in each direction (18 shocks total).

Bench Handling -
Operating: drop from 10 cm (4") tilt, or 45° which ever less (tilt not to balance to point).

EMC Compliance

Emissions -
Enclosure: EN 55011 class A limits for radiated emissions.
AC Main: EN 55011 class A limits for conducted emissions. EN 61000-3-2 power line harmonics.

Immunity -
Enclosure: EN 61000-4-2 electrostatic discharge immunity. EN 61000-4-3 RF electromagnetic field immunity.
AC Main: EN 61000-4-4 electrical fast transient immunity. EN 61000-4-5 Surge. EN 61000-4-6 conducted disturbance induced by radio-frequency field. EN 61000-4-8 power frequency electromagnetic field. EN 61000-4-11 power line interruption immunity.

Power

Line Voltage Range - 90 to 250 VAC.

Line Frequency - 48 to 63 Hz.

Maximum Power - 300 W.

Maximum Current - 4 A.

Fuse Rating - 6 A, 250 V, Fast blow.

Grounding Impedance - Verify continuity of grounding connection by any suitable means between a representative part required to be grounded and the attachment-plug cap grounding pin (0.1 Ohm at 30 A).

Primary Circuit Dielectric Voltage Withstand Test - 1500 VRMS, 50 Hz for 15 seconds, without breakdown.

Physical Characteristics

Dimensions mm in.
Height 165 6.5
Width 376 14.8
Depth 495 19.5
Weight kg lb.
Net 13 29

Warranty

One year parts and labor.

Safety

UL3111-1, CSA231, EN61010-1, IEC61010-1.

Self-declaration - EN61010-1 with second amendment.
For more comprehensive and environmental specifications, please see the Tektronix website.

 

[an error occurred while processing this directive]
-GPIB Icon- Product(s) complies with IEEE standard 488.2-1987, RS-232-C, and with Tektronix Standard Codes and Formats.
-ISO 9002 Icon-Product Area Assessed: The planning, design/development and manufacture of electronic Test and Measurement instruments. 
-CE Icon- 
2EW-12987-0Ap1, 02/1999, 08/03/2000
[an error occurred while processing this directive]