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6. Test circuit
6-1) CMOS output for TCXO
1) Output Load : 15 pF
Supply
Voltage
2) Current consumption
Supply
Voltage
3) Conditions
1. Oscilloscope: Impedance
2. Load_C includes probe capacitance.
3. A capacitor (By-pass: 0.1 F) is placed between V
4. Use the current meter whose internal impedance value is small.
5. Power Supply
Impedance of power supply should be as low as possible.
6. GND pin should be connected to low impedance GND.
Vcc
N.C.
By-pass
Capacitor
0.1
F
Vcc
A
N.C.
By-pass
Capacitor
0.1
F
Min. 1 MΩ
Input capacitance
Max. 10 pF
Band width
Min. 300 MHz
14/21 Page
OUT
GND
Load_C
OUT
GND
Load_C
and GND, and closely to TCXO.
CC
Test Point
15 pF
15 pF
No.: TG5032xGN_AE_Ver. 1.06
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