MC44817D Просмотр технического описания (PDF) - Motorola => Freescale
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MC44817D Datasheet PDF : 8 Pages
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MC44817/17B
Figure 1. HF Sensitivity Test Circuit
BusController ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇBusÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ VCC3
16 1 2
14
HF Generator
HF Out Gnd
VCC1
7
HF
8
50 Ω Cable
1.0 nF
MC44817/17B
Gnd
B0
B1 B2
B3
9
10 11 12 13
4.7 k 4.7 k 390 Ω
50 Ω
390 Ω
40 mA
Counter
In
Device is in test mode. B2, B3 are “On” and B0, B1 are “Off”.
Sensitivity is level of HF generator on 50 Ω load (without Pin 8 loading).
HF CHARACTERISTICS (See Figure 1)
Characteristic
Pin
DC Bias
8
Input Voltage Range
10–80 MHz, Prescaler “Off”, T6 = 1.0
8
80–150 MHz
8
150–600 MHz
8
600–950 MHz
8
950–1300 MHz
8
Min
Typ
Max
Unit
–
1.6
–
V
mVrms
20
–
315
10
–
315
5.0
–
315
10
–
315
50
–
315
Figure 2. Typical HF Input Impedance
–j +j
0
0.5
0.5
1.3 GHz
ZO = 50 Ω
1
1
1.0 GHz
2
2
500 MHz
50 MHz
0.5
1
2
4
MOTOROLA ANALOG IC DEVICE DATA
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