ON Semiconductor NB7L14MMNEVB, Руководство пользователя

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NB7L14MMNEVB
http://onsemi.com
2
SETUP FOR TIME DOMAIN MEASUREMENTS
Table 1. BASIC EQUIPMENT
Description Example Equipment (Note 1) Qty.
Power Supply with 2 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 10
Power Supply cables with clips 4
1. Equipment used to generate example measurements within this document.
2. 50 GHz sample module 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.
Table 2. POWER SUPPLY CONNECTIONS
3.3 V Setup 2.5 V Setup
V
CC
= 0 V V
CC
= 0 V
GND = 0 V GND = 0 V
V
EE
= − 3.3 V V
EE
= − 2.5 V
Step 2: Connect Inputs
For Differential Mode
2a: Connect the differential output of the generator to the
differential input of the device (CLK and CLK).
OUT
Channel 1
Channel 2
OUT
TRIGGER
Channel 3
Channel 4
TRIGGER
Amplitude = 400 mV
Offset =
− 200 mV
Signal Generator
CLK
CLK
V
CC
= 0 V
V
CC
V
EE
Q2
Q1
Q1
Q2
Digital Oscilloscope
V
EE
= − 3.3 V (3.3 V op)
− or −
V
EE
= − 2.5 V (2.5 V op)
GND = 0 V
GND
GND = 0 V
GND
Figure 2. NB7L14M Board Setup − Time Domain
(Differential Mode)
NOTE: All differential cable pairs must be matched.
Channel 8
Channel 7
Channel 6
Channel 5
Q3
Q0 Q0
Q3