Aeroflex 3280A Series Spectrum Analyzers - AEROFLEX - #3

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For the very latest specifications visit www.aeroflex.com SPECIFICATION FREQUENCY Frequency Range DC coupled 3 Hz ~ 3 GHz / 13.2 GHz / 26.5 GHz AC coupled 10 MHz ~ 3 GHz / 13.2 GHz / 26.5 GHz Resolution 1 Hz Frequency Reference Temperature Drift 0°C ~ 50°C ± 0.1 ppm Aging per year ± 0.3 ppm* Frequency Readout Marker resolution depending on span and measurement points (1 Hz minimum) Accuracy ± (marker frequency * reference error + 0.5% span + 5% RBW + 0.5 * horizontal resolution) Horizontal resolution is span / (sweep points - 1) Frequency Counter Resolution 1 Hz / 10 Hz / 100 Hz / 1 kHz Accuracy ± (reference frequency accuracy * marker frequency) ± (counter resolution + 1 LSB) Sensitivity (for spans 2 MHz and <3 GHz <-55 dBm for frequencies >3 GHz and <13.2 GHz <-50 dBm for frequencies >13.2 GHz and <26.5 GHz FREQUENCY SPAN Range 0 Hz (Zero Span), 10 Hz ~ 3 GHz, 13.2 GHz, 26.5 GHz Resolution 1 Hz Accuracy ±1% Sweep Zero span 1 ìs to 2000 sec, ± 0.5 % Span 10 Hz, 10 ms to 2000 sec, ± 0.5 % nominal Sweep Points Number of points 3 to 8192 (Span = 0 Hz) 101 to 8192 (Span 10 Hz) Span Trigger 10 Hz Source external, line, video, free run, RF burst Offset 1 ìs to 500 ms Span = 0 Hz Source external, line, video, free run, RF burst Offset -150 ms to +500 ms Gated FFT Function Span 101 Hz to 30 MHz Trigger Source Burst and external Gate Length 2.51/RBW RBW 1 MHz, 10% Step Delay Range 0 - 400 sec (Resolution: 100 ns) Spectral Purity SSB phase noise, dBc/Hz at offset (typical) CW Freq Frequency Offset 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz <-78 <-102 <-113 <-113 <-135 100 MHz <-76 <-110 <-113 <-113 <-135 1 GHz <-87 <-96 <-115 <-115 <-136 3 GHz <-68 <-98 <-110 <-111 <-135 6 GHz <-60 <-83 <-107 <-110 <-135 20-30oC 0-55oC At 1 GHz: 100 Hz offset < -83 < (-87 typ) < -81 1 kHz offset < -92 < (-96 typ) < -90 10 kHz offset < -112 < (-115 typ) < -110 100 kHz offset < -112 < (-115 typ) < -110 1 MHz offset < -136 < -134 10 MHz offset < -144 < -142 Residual FM Accuracy, <20 * N Hz p-p in 1 sec** Resolution Bandwidth (RBW) 3 dB bandwidths 30 Hz to 5 MHz in a 1-2-3-5 sequence Bandwidth accuracy: 20-30oC 0-55oC 500 Hz to 300 kHz filters ±3 % ±5% 500 kHz to 5 MHz filters ±10 % ±12% Shape factor - 60 dB/ - 3 dB < 5 (500 Hz to 5 MHz filters) Bandwidth switching uncertainty at 100 MHz CF reference to 5 kHz RBW ±0.05 dB nominal at 20-30oC, ± 0.1 dB nominal at 0-55oC FFT Filters 3 dB bandwidths 1 Hz to 300 Hz, in 1-2-3-5 sequence Bandwidth accuracy < 1 %, nominal Shape factor: - 60 dB / - 3 dB < 4.5, nominal Video Bandwidth (VBW) 1 Hz to 3 MHz and none in a 1-2-3-5 sequence AMPLITUDE Display range DANL to + 30 dBm Maximum Input Level DC (AC coupled) ±50 V DC (Option) DC (DC coupled) 0 V CW RF power +30 dBm Preamp on +20 dBm 1 dB Compression Point 0 dB RF attenuation 0 dBm 100 MHz to 3 GHz -5 dBm up to 26.5 GHz Preamp on - 22 dBm at 1 GHz