Sweep; Measuring Receiver; Inputs And Outputs; Environment - Test Equipment Plus Signal Hound USB-SA44B User Manual

Usb-powered, spectrum, 1hz to 4.4ghz
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S P E C I F I C A T I O N S
Relative Accuracy (Reference level ≤0 dBm): ±0.25 dB
Maximum Safe Input Level (preamp off, 15 dB atten): +20dBm
DC Volts: < ±0.2V absolute maximum
Residual Responses (Input terminated, ≤100 KHz span, 0 dB atten): <-80 dBm
Note 1: Known residual responses at multiples of 10 MHz
Spurious Responses (
Typical Maximum LO Feedthrough (preamp on, attenuator set to 15 dB)
1Hz to 500KHz*
500KHz to 1GHz
1GHz to 2.3GHz
2.3GHz to 2.6GHz
2.6GHz to 3.0GHz
3.0GHz to 4.4GHz
*RF Preamp Off and Internal input Attenuator on any setting
8.3

Sweep

Zero Span Sweep Time 0.1 ms to 10 sec, ± 0.1%
All other sweeps times are estimates reported after sweep completes.
Maximum sample rate: 486K/sec
Sweep Trigger: free run, single, video, external
External Trigger: 3.3V CMOS/TTL input

8.4 Measuring Receiver

FM Accuracy ±1% typical
AM Accuracy ±1% typical
Synchronous Level Detector (15 KHz IF BW, timebases locked)
100 KHz to 1 GHz +0 dBm to –125 dBm after 10 min warmup ± ± ± ± 0.25dB
1 GHz to 4.4 GHz +0 dBm to –115 dBm after 10 min warmup ± ± ± ± 0.25dB
Average Level Detector, 15 KHz IF BW
100 KHz to 4.4 GHz +0 dBm to –70 dBm after 10 min warmup, ± ± ± ± 0.25dB
Maximum IF Bandwidth 240 KHz
Audio Filters:
Low Pass: Digital Windowed Sinc, selectable cutoff
Band Pass: Selectable center frequency, narrow-band recursive, 160 Hz 3 dB bandwidth
Maximum sample rate: 486K/sec

8.5 Inputs and Outputs

1) BNC External Timebase (10 MHz input)
2) BNC Shared
o
o
o
3) SMA RF Input

8.6 Environment

Operating Temperature: 0 to +70 °C (std), -40 to +85°C (option 1)
100 KHz span, CW tone input): , < -80 dBm typical
-70 dBm
-57 dBm
-47dBm
-40 dBm
-27 dBm
-35 dBm
Self Test Output
SYNC Out
Sweep Trigger In
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