33 | Keysight | FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50 GHz - Data Sheet
The performance listed in this section applies to the AM/FM analog demodulation, tune and listen capabilities available in the following
models:
– FieldFox RF & microwave analyzers: N9913A, N9914A, N9915A, N9916A, N9917A, N9918A
N9950A, N9951A, N9952A
– FieldFox microwave spectrum analyzers: N9935A, N9936A, N9937A, N9938A
N9960A, N9961A, N9962A
See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet require options.
AM/FM Analog demodulation, Tune and Listen
Description
Display type
RF spectrum view, demodulated waveform, including peak+ and peak- traces
Audio demodulation type
Audio bandwidth
Measurement type
Receiver IF bandwidth
AM
AM, FM narrow, FM wide, Listen to the tones using FieldFox’s built-in speaker or headphones
16 kHz
RF carrier power (dBm), RF carrier frequency (Hz), modulation rate (Hz), SINAD (dB), THD (%)
Nominal
35 kHz
FM narrow
12 kHz
FM wide
150 kHz
Listen time range
AM & FM metrics
SINAD
0 to 100 seconds
Nominal
2.5 dB to 65 dB
THD
0 to 75%
AM measurements
Maximum modulation rate
Depth
Nominal
5 kHz, demod sweep time: 50 µs to 50 ms
(peak-to-peak/2) (%), ± peak depth (%)
±2%
Depth accuracy
Depth range
Modulation: 0.1 % to 99%
Nominal
FM measurements
Maximum modulation rate
Frequency deviation
Maximum deviation
5 kHz, demod sweep time: 50 µs to 50 ms
(Hz), ± peak deviation (Hz)
30 kHz (typical)
Radio standards
With a radio standard applied, pre-defined frequency bands, channel numbers or uplink / downlink selections can be used instead of
manual frequency entry. The pre-defined FieldFox radio standards include bands such as W-CDMA, LTE, and GSM. Alternately, users
can create custom standards and import them into FieldFox analyzers.
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