370B Curve Tracer Characteristics
Collector Supply
| Peak Voltage (Range) |
16 V |
80 V |
400 V |
2,000 V |
| Polarity Modes |
AC, ± DC,
± Leakage, ± Rectified Sine |
| Available
Current |
| Peak Current |
10 A |
2 A |
0.4 A |
0.05 A |
| Peak Current (PULSE mode) |
20 A |
4 A |
0.8 A |
0.1 A |
| Available
Resistance |
| Minimum Series Resistance |
0.26 O |
6.4 O |
160 O |
20 kO |
| Maximum Series Resistance |
800 O |
20 kO |
500 kO |
12.5 MO |
Available Peak Power
16, 80 and 400 V Range - 0.08, 0.4, 2,
10, 50, 220 W.
2,000 V Range - 0.08, 0.4, 2, 10, 50 W.
Variable Collector Supply Settings As a % of Maximum
Peak Voltage - 0 to 100% in 0.1% increments.
Looping Compensation (typical) Range - at
least 100 pF.
Step Generator
Accuracy
Incremental - 1.5%.
Absolute - Less than 1.5% of total output
+ 3% x STEP AMPLITUDE setting + 1 mV or 1 nA.
Offset Control Range - Variable from -10 to
+10 times STEP AMPLITUDE.
Resolution - STEP AMPLITUDE setting x 1%.
Current Mode
Amplitude Range - 50 nA to 200 mA
in a 1-2-5 sequence of 21 steps.
Maximum Current - 20x STEP AMPLITUDE setting,
10x STEP AMPLITUDE setting when control is set to
200 mA.
Maximum Voltage - At least 10 V.
Maximum Opposing Offset Current - 10x STEP
AMPLITUDE.
Maximum Opposing Volts - Less than 15 V.
Ripple Plus Noise - Less than 0.5% x STEP
AMPLITUDE + 10 nA.
Voltage Mode
Amplitude Switch Range - 50 mV to 2 V,
in a 1-2-5 sequence of 6 steps.
Maximum Voltage - 20x STEP AMPLITUDE.
Maximum Current - At least 500 mA at
10 V or less, at least 200 mA at 15 V,
at least 10 mA at 40 V.
Short Circuit Current Limiting - 500 mA,
+50%, -20%.
Maximum Opposing Offset Current - 10x STEP
AMPLITUDE.
Maximum Opposing Current - Less than 20 mA.
Ripple Plus Noise - Less than 0.5% x STEP
AMPLITUDE + 10 mV.
Step Rates - 2x line frequency (1 x line frequency
in AC collector supply mode). Stepsoccur at 0 collector
voltage.
Pulsed Steps - 80 µs or 300 µs wide,
±10%.
Steps and Offset Polarity - Corresponds to
Collector Supply Polarity when STEP GENERATOR POLARITY
INVERT is disabled. Opposite to Collector Supply Polarity
when STEP GENERATOR POLARITY INVERT is selected or
CONFIGURATION switch is set to BASE COMMON. BASE COMMON
configuration disables STEP GENERATOR POLARITY INVERT.
Number of Steps - Ranges from 0 to 10.
AUX Supply
Range - From -40 to +40 volts, with 20 mV
step resolution.
Accuracy (typical) - Within 50 mV + 1.5%
of total output.
Output Current - At least 100 nA at ±20 V.
At least 10 mA at ±40 V.
Ripple Plus Noise - Less than 50 mVp-p.
Non-store Vertical Deflection System
Collector/Base Current
Range - 1 µA/div to 2 A/div in a
1-2-5 sequence.
X10 MAG extends maximum sensitivity to 100 nA/div
(1 nA resolution).
Accuracy (typical) - Within 2% of WINDOW cursor
readout + 0.1 x VERT/DIV setting.
Emitter Current
Range - 1 nA/div to 2 mA/div in a 1-2-5
sequence X10 MAG extends maximum sensitivity
to 100 pA/div.
Accuracy (typical) - Within 2% of WINDOW cursor
readout + 0.1 x VERT/DIV settings + 1 nA.
Maximum Displayed Noise or Ripple - Depending
on setting of MAX PEAK VOLTS.
| Max.
Volts Range |
16 V |
80 V |
400 V |
2000 V |
| Noise
or Ripple |
1 nAp-p
|
1 nAp-p
|
2 nAp-p
|
5 nAp-p
|
Step Generator Display
Range - 1 step/division.
1 step/10 divisions with X10 MAG.
10 steps/division with STEP MULTI .1x.
Accuracy - Within 0.3 division.
Display Offset (typical)
Range - ±10 divisions with 0.1 div resolution.
Accuracy - Within 1.5% of offset + 0.1 x VERT/DIV
setting.
Display X10 MAG (typical)
Accuracy - Within 1.5% of window cursor readout
+ 0.3 x VERT/DIV setting.
Display Invert (typical)
Accuracy - Within 0.1 x VERT/DIV setting.
Digital Storage Vertical Acquisition
A/D Converter
Resolution - 10-Bits for 10.24 divisions,
100 counts per division.
Max. Data Points - 1024.
Max. Sampling Rate - Line frequency x 1024.
Min. Sampling Rate - Line frequency x 2.
Collector/Base Current
Range - 1 µA/div to 2 A/div in a 1-2-5
sequence.
X10 MAG extends maximum sensitivity to 100 nA/div
(1 nA resolution).
Accuracy - Within 1.5% of DOT cursor readout
+0.05 x VERT/DIV setting.
Emitter Current
Range - 1 nA/div to 2 mA/div in
a 1-2-5 sequence.
X10 MAG extends max sensitivity to 100 pA/div
(1 pA resolution).
Accuracy - Within 1.5% of DOT cursor readout
+0.05 x VERT/DIV setting + 1 nA.
Step Generator Display
Range - 1 step/division, 1 step/10 divisions
with X10 MAG, 10 steps/division with STEP
MULTI .1x.
Accuracy - Within 0.3 division.
Display Offset (typical)
Range - ±10 divisions with 0.1 div
resolution.
Accuracy - Within 1.5% of offset + 0.06 x VERT/DIV
setting.
Display X10 MAG (typical)
Accuracy - Within 1.5% of window cursor readout
+ 0.3 x VERT/DIV setting.
Display Invert (typical)
Accuracy - Within 0.04 x VERT/DIV setting.
Non-store Horizontal Deflection System
Collector Volts
Range - 50 nV/div to 500 V/div in a 1-2-5
sequence.
X10 MAG extends maximum sensitivity to 5 mV/div
(50 µV resolution).
Accuracy (typical) - Within 2% of WINDOW cursor
readout + 0.1 x HORIZ/DIV setting.
Base/Emitter Volts
Range - 50 mV to 5 V/div in a 1-2-5
sequence.
X10 MAG extends maximum sensitivity to 5 mV/div
(50 µV resolution).
Accuracy (typical) - Within 2% of WINDOW cursor
readout + 0.1 x HORIZ/DIV setting.
Step Generator Display
Range - 1 step/division, 1 step/division
with X10 MAG, 10 steps/division with STEP
MULTI .1x.
Accuracy - Within 0.3 division.
Display Offset
Range - ±10 divisions in 0.1 division
steps.
Accuracy - Within 1.5% of offset +0.1 x HORIZ/DIV
setting.
Display X10 MAG
Accuracy - Within 1.5% of window cursor readout
+ 0.3 x HORIZ/DIV setting.
Display Invert
Accuracy - Within 0.1 x HORIZ/DIV setting.
Digital Storage Horizontal Acquisition
A/D Converter
Resolution - 10 bits for 10.24 divisions,
100 counts per division.
Max. Data Points - 1024.
Max. Sampling Rate - Line frequency x 1024.
Min. Sampling Rate - Line frequency x 2.
Collector Volts
Range - 50 mV/div to 500 V/div in
a 1-2-5 sequence.
X10 MAG extends maximum sensitivity to 5 mV/div
(50 µV resolution).
Accuracy - Within 1.5% of DOT cursor readout
+ 0.05 x HORZ/DIV setting.
Acquisition Modes
Normal, Envelope, and Average. Envelope is Vertical
or Horizontal. Average is moving average with weight
of 1/16.
Safety
Standards Met - UL3111-1, CAN/CSA C22.2 NO.
1010.1, EN 61010-1 with second amendment.
371B Curve Tracer Characteristics
Collector Supply
Modes (positive and negative polarities for both
modes) - High current: 250 µs pulses with
maximum peak of 30 V.
High voltage: Full rectified sine wave with maximum
peak of 3,000 V.
Polarity Modes - NPN +.
PNP -.
| |
High Voltage Mode |
High Current (pulsed) Mode |
High Current (pulsed) Mode |
| Peak Power
Watts (range) |
30 mW |
300 mW |
3 W |
30 W |
300 W |
3 kW |
| Collector
Peak Current |
0.4 mA ±20% |
4 mA ±20% |
4 mA ±20% |
40 mA ±20% |
40 A |
400 A |
| Maximum
Peak Voltage |
300 V + 15%
- 0% |
300 V + 15%
- 0% |
3 kV + 10%
- 0% |
3 kV + 10%
- 0% |
30 V + 10%
- 5% |
30 V + 10%
- 5% |
Variable Collector Supply Range - Continuously
variable from 0% to 100% in 0.1% increments.
Looping Compensation (high voltage mode) - Stray
capacitance between collector terminal and ground
is compensated for up to a maximum of 100 pF.
Pulsed Collector Supply Repetition Rate -
3 kW: 1/4 (0.25 x) line frequency.
300 W: 1/2 (0.5 x) line frequency.
Pulse Width (half amplitude) - 250 µs ±10%
(more than 30% of collector supply).
Circuit Breakers - Both the high-voltage and
the high-current supplies have breakers which operate
independently. The high-current output breaker opens
automatically in an over-current condition. Both breakers
can be operated manually.
Step Generator
Offset Control Range - Variable 0 to 10 times
STEP/OFFSET AMPLITUDE setting. However, 0 to 5 times
when STEP/OFFSET AMPLITUDE is 5 V or 2 A.
Number of Steps - 0 to 10. However, 0 to 5
when STEP/OFFSET.
Step Polarity - Positive, Negative.
Step Rate -
Pulse:
3 kW: 1/4 (0.25x) the line
frequency, 300 W: 1/2 (.5X) the line frequency.
Stairstep:
300 W, 3 W, 300 mW,
30 mW: 2x the line frequency.
Current Mode
Amplitude Range
Normal Step - 1 µA to 2 mA in 1-2-5
sequence. COLLECTOR SUPPLY HIGH VOLTAGE MODE (30 W/3 W
and 300 mW/30 mW).
Pulsed Step - 1 mA to 2 A in 1-2-5
sequence. COLLECTOR SUPPLY HIGH CURRENT MODE (3 kW/300 W).
Maximum Current - 20 x step amplitude, except
10 times STEP/OFFSET AMPLITUDE when control is
set to 2 A per step.
Maximum Voltage - 12 V ±30%.
Accuracy: At least 5 V.
Ripple Plus Noise - Within 1% of STEP AMPLITUDE
+ 10 nA.
Voltage Mode
Step Amplitude Range - 200 mV to 5 V
in 1-2-5 sequence.
Short Circuit Current Limiting - 100 mA
+50%, -20%.
Maximum Voltage - 10 x STEP AMPLITUDE, with
5 V setting.
20 x STEP AMPLITUDE, except 5 V setting.
Ripple Plus Noise - Within 1% of STEP AMPLITUDE
+ 10 mV.
Vertical Deflection System
Collector Current (lc) Range
3 kW Peak Power - 1 A/DIV to 50 A/DIV.
300 W Peak Power - 500 mA/DIV to
5 A/DIV.
30 W Peak Power - 100 µA/DIV to
5 mA/DIV.
3 W Peak Power - 10 µA/DIV to 500 µA/DIV.
0.3 W Peak Power - 10 µA/DIV to
500 µA/DIV.
0.03 W Peak Power - 1 µA/DIV to
50 µA/DIV.
Collector Current (lc) Accuracy - Within 0.1 DIV
to the Vertical graticule lines.
Collector Current (lc) Cursor Accuracy - Within
1.5% of readout +0.1 DIV of the CURRENT/DIV setting.
Horizontal Deflection System
Collector Supply Volts (Vce) Range
3 kW, 300 W Peak Power - 100 mV/DIV
to 5 V/DIV in a 1-2-5 sequence.
30 W, 3 W Peak Power - 50 V/DIV
to 500 V/DIV in a 1-2-5 sequence.
300 mW, 30 mW Peak Power - 5 V/DIV
to 50 V/DIV in a 1-2-5 sequence.
Step Generator Volts (Vbe) Range - 100 mV/DIV
to 5 V/DIV in a 1-2-5 sequence.
Step Generator Volts (Vbe) Accuracy - Within
0.1 DIV of Horizontal graticules.
Digital Storage Acquisition
A/D Converter
Resolution - 10 bits for 1024 division,
100 points per one division.
Tolerance - Within ±2 counts.
Max. Data Point - 1024.
Max. Sample Rate - 1024 x line frequency.
Min. Sample Rate - 1/8 x line frequency.
Safety
Standards Met - UL3111-1, CAN/CSA C22.2 NO.
1010.1, EN 61010-1 with second amendment. |
