ON Semiconductor NB7L216MNEVB, Руководство пользователя

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NB7L216MNEVB
http://onsemi.com
2
SETUP FOR TIME DOMAIN MEASUREMENTS
Table 1. BASIC EQUIPMENT
Description Example Equipment (Note 1) Qty.
Power Supply with 4 outputs HP6624A 1
Oscilloscope TDS8000 with 80E01 Sampling Head (Note 2) 1
Differential Signal Generator HP 8133A, Advantest D3186 1
Matched High Speed Cables with SMA Connectors Storm, Semflex 4
Power Supply Cables with Clips 3/4
1. Equipment used to generate example measurements.
2. 50 GHz sampling head used (for effective rise, fall and jitter performance measurement)
Setup
Step 1: Connect Power
1a: Three power levels must be provided to the board for
V
CC
, V
EE
, and GND via the surface mount clips. Using the
split power supply mode, GND = V
TT
= V
CC
– 2.0 V.
Table 2. NB7L216 POWER SUPPLY CONNECTIONS
3.3 V Setup 2.5 V Setup
V
CC
= 2.0 V V
CC
= 2.0 V
V
TT
= GND V
TT
= GND
V
EE
= − 1.3 V V
EE
= − 0.5 V
Step 2: Connect Inputs
For Differential Mode (3.3 V and 2.5 V operation)
2a: Connect the differential output of the generator to the
differential input of the device (D and D).
For Single
− Ended Mode (3.3 V operation only)
2a: Connect the AC coupled single − ended output
generator to input.
NOTE: Device may oscillate when the input is not
driven. For best results, unconnected input
should be terminated to V
TT
through 50 W
resistor.
OUT
OUT
TRIGGER
Channel 1 (80E01)
TRIGGER
Amplitude = 500 mV
Offset = 660 mV
Advantest D3186
Signal Generator
(12 GHz)
D
D
V
CC
= 2.0 V
V
CC
V
BB
Q
Q
Tektronix TDS8000
Digital Oscilloscope
V
EE
= − 1.3 V (3.3 V op)
V
EE
= − 0.5 V (2.5 V op)
V
TT
= 0 V
GND
V
TT
= 0 V
GND
Figure 2. NB7L216 Board Setup − Time Domain (Differential Mode)
NOTE: All differential cable pairs must be matched.
Channel 2 (80E01)
V
EE
V
BB
C1
C1