Atec Agilent-11792A - Manual (Page 8)

8
Audio Distortion
FUNDAMENTAL FREQUENCIES: 400 Hz ±5% and 1 kHz ±5%.
MAXIMUM EXTERNAL INPUT VOLTAGE: 3 V.
DISPLAY RANGE: 0.01% to 100.0% (–80.00 dB to 0.00 dB).
DISPLAYED RESOLUTION: 0.01% or 0.01 dB.
ACCURACY: ±1 dB of reading.
SENSITIVITY:
Modulation: 0.15 kHz peak FM, 1.5% peak AM or
0.6 radian peak
f M.
External: 100 mV
rms
.
RESIDUAL NOISE AND DISTORTION 15 :
0.3% ( –50 dB), temperature <40 °C.
Supplemental Characteristics:
MEASUREMENT 3 dB BANDWIDTH: 20 Hz to 50 kHz.
DETECTION: True rms.
MEASUREMENT RATE: 1 reading per second.
AUDIO INPUT IMPEDANCE: 100 k
Ω
nominal.
Audio Filters
DE-EMPHASIS FILTERS: 25 m s, 50 m s, 75 m s, and 750 m s. De-
emphasis filters are single-pole, low-pass filters with 3 dB frequen-
cies of: 6366 Hz for 25
m s, 3183 Hz for 50 m s, 2122 Hz for 75 m s,
and 212 Hz for 750 m s.
50 Hz HIGH-PASS FILTER (2 pole):
Flatness: <1% at rates
≥
200 Hz.
300 Hz HIGH-PASS FILTER (2 pole):
Flatness: <1% at rates
≥
1 kHz.
3 kHz LOW-PASS FILTER (5 pole):
Flatness: <1% at rates
≤
1 kHz.
15 kHz LOW-PASS FILTER (5 pole):
Flatness: <1% at rates
≤
10 kHz.
>20 kHz LOW-PASS FILTER (9 pole bessel) 16 :
Flatness: <1% at rates
≤
10 kHz.
Supplemental Characteristics:
DE-EMPHASIS FILTER TIME CONSTANT ACCURACY: ±3%.
HIGH PASS AND LOW PASS FILTER 3 dB CUTOFF FREQUENCY
ACCURACY: ±3%.
>20 kHz LOW PASS FILTER 3 dB CUTOFF FREQUENCY:
100 kHz nominal.
OVERSHOOT ON SQUARE WAVE MODULATION 16 : <1%.
RF Input
FREQUENCY RANGE: 150 kHz to 1300 MHz.
150 kHz to 26.5 GHz when using the 11793A sensor module.
OPERATING LEVEL:
Minimum Maximum Frequency Range
Operating Level Operating Level
12 mV
rms
(–25 dBm) 7 V
rms
(1 W
peak
) 150 kHz – 650 MHz
Source SWR <4
22 mV
rms
(–20 dBm) 7 V
rms
(1 W
peak
) 650 MHz – 1300 MHz
Source SWR <4
40 mV
rms
(–15 dBm) 7V
rms
(1 W
peak
) 150 kHz – 650 MHz
71 mV
rms
(–10 dBm) 7V
rms
(1 W
peak
) 650 MHz – 1300 MHz
40 mV
rms
(–15 dBm) 7V
rms
(1 W
peak
) 1300 MHz – 26.5 GHz
Supplemental Characteristics:
TUNING:
Normal Mode: Automatic and manual frequency entry.
Track Mode: Automatic and manual frequency entry, f
c
≥
10 MHz.
Normal and Track Mode: Manual entry of approximate frequency.
Acquisition Time (automatic operation): ~1.5 seconds.
INPUT IMPEDANCE: 50
Ω
nominal.
MAXIMUM SAFE DC INPUT LEVEL: 5 V dc.
General Specifications
TEMPERATURE:
Operating: 0 °C to 55 °C.
Storage: – 55 °C to 75 °C.
REMOTE OPERATION: GPIB; all functions except the line switch
are remotely controllable.
DEFINED IN IEEE-488.2 GPIB COMPATIBILITY: SH1, AH1, T5, TE0,
L3, LE0, SR1, RL1, PP0, DC1, DT1, C0, E1.
EMI: Conducted and radiated interference is within the require-
ments of VDE 0871 (Level B), and CISPR publication 11.
POWER: 100, 120, 220, or 240V (+5%, –10%); 48 to 66 Hz; 200 VA
maximum.
WEIGHT: Net 23.4 kg (52 lb); Shipping 31.4 kg (69 lb).
DIMENSIONS: 190 mm H x 426 mm W x 551 mm D
(7.5" x 16.8" x 21.7").
15. For demodulated signals, the residual noise generated by the 8902A must be
accounted for in distortion measurements (that is residual AM, FM or f M).
16. The >20 kHz low-pass filter is intended for minimum overshoot with squarewave
modulation.