Fluke 96000 Series - Modulation Specifications at Leveling Head Output (96040 A and 96270 A) and Microwave Output (96270 A)

Introduction and Specifications
Specifications 1
1-15
External Frequency Control Input
Rear panel 50 MHz Counter, Modulation, Leveling and Frequency Pull Input
BNC connector
Frequency Pull Range
±5 ppm
Frequency Pull Sensitivity
User adjustable between 0.0001 ppm/V to 1.0000 ppm/V, positive or negative
polarity
Input impedance
10 kΩ nominal
Maximum Input
±5 V
Modulation Specifications at Leveling Head Output (96040A and 96270A) and
Microwave Output (96270A)
Amplitude Modulation
Microwave Output
[1]
(96270A only)
Leveling Head Output
50 Ω output 75 Ω output
Waveform Sinusoidal, Triangle, or External signal
Carrier Frequency 50 kHz to 4 GHz
Carrier Level
<1.4 GHz: ≤+14 dBm
>1.4GHz: ≤+8 dBm
<1.4 GHz: ≤+14 dBm
>1.4 GHz: ≤+8 dBm
<1.4 GHz: ≤+8 dBm
>1.4 GHz: ≤+2 dBm
Carrier Level Accuracy
[2]
As Leveled Sine ± 0.5 dB, typical
Carrier Harmonics
≤50 dBc typical
Rate
≤125.75 MHz, 1 Hz to 220 Hz, ≤1 % of Carrier Frequency
>127.75 MHz, 1 Hz to 100 kHz
Rate Resolution 0.1 Hz, 5 digits
Rate Accuracy 1 kHz: ±1 digit, <1 kHz: ±10 mHz
Depth 0.1 % to 99 %
Depth Resolution 0.1 %
Carrier Frequency and Level
Range for Specified Depth
Accuracy and Distortion
≤1 GHz,
-4 dBm to +14 dBm
-56 dBm with Low Level
Microwave O/P Option
≤1 GHz,
-56 dBm to +14 dBm
≤1 GHz,
-62 dBm to +8 dBm
AM Sine Depth Accuracy
[3]
±3 % of setting ±0.1 %, for >5 % depth.
Typically ±0.75 % of setting ±0.1 %, for 10 % to 90 % depth, ≤75 MHz carrier frequency.
AM Sine Distortion
[3] [4]
≤-40 dBc, 10 % to 80 % depth, for ≤20 kHz rate, or for >20 kHz rate at ≤75 MHz carrier
frequency.
Typically ≤-50 dBc, 10 % to 80 % depth, ≤75 MHz carrier frequency.
[1] Modulation not available above 4 GHz. All signal level specifications apply at front panel Microwave Output connector.
Splitter/Sensor leveling not available in Modulation functions.
[2] Signal content at carrier frequency only, excluding sidebands.
[3] Applies to demodulated signal content at rate fundamental frequency. Specifications are typical for modulation rates < 20Hz.
[4] Includes harmonic distortion and noise up to 5 times rate frequency.