HP 4286A RF LCR Meter
Technical Specifications
Specifications
Specifications describe the instrument's warranted performance over the temperature range of 0°C to
55°C (except as noted). Supplemental characteristics are intended to provide information that is useful in
applying the instrument by giving non-warranted performance parameters. These are denoted as typical,
typically, nominal or approximate. Warm up time must be greater than or equal to 30 minutes after
power on for all specifications.
Specifications of the stimulus characteristics and measurement accuracy are defined at the tip of
APC-7® connector of 3.5mm-7mm adapter connected to the test head.
Test Signal
Frequency Characteristics
Operating Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 MHz to 1000 MHz
A maximum of 10 frequencies can be programmed. An averaging factor can be set at each frequency point.
Frequency Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 kHz
Frequency Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < ±10 ppm @23±5°C
Source Characteristics
Definition of OSC level
•Voltage level : 2 × voltage level across the 50 Ω which is connected to the output terminal. (this level is
approximately equal to the level when a terminal is open)
•Current level : 2 × current level through the 50 Ω which is connected to the output terminal. (this level
is approximately equal to the level when a terminal is shorted)
•Power level : when terminating with 50 Ω.
OSC Level
Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mV
Current Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 µA to 20 mA
Power Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 dBm to +7 dBm
to 1 V
rms
rms
1
OSC Level Resolution
Voltage Resolution
@ 0.22 V < V
@ 70 mV < V
@ 22 mV < V
@ 10 mV ≤ V
≤ 1 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 mV
osc
≤ 220 mV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 mV
osc
≤ 70 mV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2 mV
osc
≤ 22 mV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05 mV
osc
Current Resolution
@ 4.4 mA < I
@ 1.4 mA < I
@ 0.44 mA < I
@ 200 µA ≤ I
≤ 20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 µA
osc
≤ 4.4 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 µA
osc
≤ 1.4 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 µA
osc
≤ 440 µA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 µA
osc
Power Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 dBm
OSC Level Accuracy
Table 1. OSC Level Accuracy at Cable Length = 3 m, 23±5°C
Test Signal Voltage Frequency Range OSC Level Accuracy
1 MHz ≤ frequency ≤ 500 MHz ±2 dB
0.5 V < V
osc
≤ 1 V
500 MHz < f ≤ 1000 MHz +3 dB/10 dB
1
0.25 V ≤ V
0.01 V ≤ V
1 Typical data at temperature range is 5 through +40°C
Table 2. OSC Level Accuracy at Cable Length = 3 m, 0°C to +55°
≤ 0.5 V 1 MHz ≤ frequency ≤ 1000 MHz ±2 dB
osc
< 0.25 V 1 MHz ≤ frequency ≤ 1000 MHz ±3 dB
osc
Test Signal Voltage Frequency Range OSC Level Accuracy
1 MHz ≤ frequency ≤ 500 MHz ±4 dB ±6 dB
0.5 V < V
0.25 V ≤ V
0.01 V ≤ V
1 Typical value
Table 3. OSC Level Accuracy at Cable Length = 1 m, 23±5°C
≤ 1 V
osc
≤ 0.5 V 1 MHz ≤ frequency ≤ 1000 MHz ±4 dB ±6 dB
osc
< 0.25 V 1 MHz ≤ frequency ≤ 1000 MHz ±5 dB ±7 dB
osc
500 MHz < frequency ≤ 1000 MHz +3 dB/10 dB
Test Signal Voltage Frequency Range OSC Level Accuracy
0.5 V < V
0.25 V ≤ V
≤ 1 V 1 MHz ≤ frequency ≤ 1000 MHz ±2 dB
osc
≤ 0.5 V 1 MHz ≤ frequency ≤ 1000 MHz ±2 dB
osc
5°C to 40°C 0°C to 55°C
1
+5 dB/12 dB
1
0.01 V ≤ V
< 0.25 V 1 MHz ≤ frequency ≤ 1000 MHz ±3 dB
osc
2
Table 4. OSC Level Accuracy at Cable Length = 1 m, 0°C to +55°
Test Signal Voltage Frequency Range OSC Level Accuracy
5°C to 40°C 0°C to 55°C
0.5 V < V
0.25 V ≤ V
0.01 V ≤ V
≤ 1 V 1 MHz ≤ frequency ≤ 1000 MHz ±4 dB ±6 dB
osc
≤ 0.5 V 1 MHz ≤ frequency ≤ 1000 MHz ±4 dB ±6 dB
osc
< 0.25 V 1 MHz ≤ frequency ≤ 1000 MHz ±5 dB ±7 dB
osc
Typical OSC Level Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 times of specification value
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . APC-3.5®
Output Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Ω (Nominal Value)
Level Monitor
Monitor Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OSC level (voltage, current)
Monitor Accuracy
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20log (1 + Y0·50 + Zs/Zx + Ea (%) / 100) [dB] (Typical)
Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20log (1 + Y0·Zx + Zs/50 + Ea (%) /100) [dB] (Typical)
Where,
Ea : depends on measurement frequency and connector type. See measurement accuracy.
Zs and Y0 : depend on number of point averaging and OSC level. See measurement accuracy
Zx : Measurement impedance
Figure 1. Typical Voltage Level Monitor Accuracy (@Nav =8, V
3
= 0.2 V)
osc
Figure 2. Typical Voltage Level Monitor Accuracy (@Nav =1, V
= 0.2 V)
osc
Figure 3. Typical Current Level Monitor Accuracy (@Nav =8, V
4
= 0.2 V)
osc
Figure 4. Typical Current Level Monitor Accuracy (@Nav =1, V
= 0.2 V)
osc
5
Measurement Function
Measurement Parameters
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lp-D, Lp-Q, Lp-G, Lp-Rp, Ls-D, Ls-Q, Ls-Rs, R-X, |Z|-
Cp-D, Cp-Q, Cp-G, Cp-Rp, Cs-D, Cs-Q, Cs-Rs, G-B, |Y|-
Measurement Range
Impedance
@ 1MHz, accuracy < 10%, N
≥ 8, V
av
≥ 0.2 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mΩ to 3 kΩ
osc
Inductance
@ Q < 100, depends on frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 nH to 100 µH
Contact Check Function
Measurement Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 1 mA
List Sweep Characteristics
Sweep Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Continuous, Single, Manual
Sweep Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Up sweep
Number of Measurement Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 10 points
Averaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Point average
Delay Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Point delay time, Sweep delay time
θ
rad
θ
rad
, |Z|-
, |Y|-
θ
,
deg
θ
deg
6
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