MPF102 View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
MPF102 Datasheet PDF : 8 Pages
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MPF102
POWER GAIN
24
f = 100 MHz
20
16
12
400 MHz
8.0
Tchannel = 25°C
VDS = 15 Vdc
VGS = 0 V
4.0
0
2.0
4.0
6.0
8.0
10
12
14
ID, DRAIN CURRENT (mA)
Figure 1. Effects of Drain Current
INPUT
TO 50 Ω
SOURCE
NEUTRALIZING
COIL
L1
C1
C5
Rg′ L3
C6
C2
VGS
C3
C4
L2
CASE
C7
TO 500 Ω
LOAD
COMMON
VDS
+15 V
ID = 5.0 mA
Adjust VGS for
ID = 50 mA
VGS < 0 Volts
NOTE:
The noise source is a hot–cold body
(AIL type 70 or equivalent) with a
test receiver (AIL type 136 or equivalent).
Reference
Designation
C1
C2
C3
C4
C5
C6
C7
L1
L2
L3
VALUE
100 MHz 400 MHz
7.0 pF
1.8 pF
1000 pF
17 pF
3.0 pF
1.0 pF
1–12 pF 0.8–8.0 pF
1–12 pF 0.8–8.0 pF
0.0015 µF 0.001 µF
0.0015 µF 0.001 µF
3.0 µH*
0.2 µH**
0.15 µH* 0.03 µH**
0.14 µH* 0.022 µH**
*L1 17 turns, (approx. — depends upon circuit layout) AWG #28
enameled copper wire, close wound on 9/32″ ceramic coil
form. Tuning provided by a powdered iron slug.
*L2 4–1/2 turns, AWG #18 enameled copper wire, 5/16″ long,
3/8″ I.D. (AIR CORE).
*L3 3–1/2 turns, AWG #18 enameled copper wire, 1/4″ long,
3/8″ I.D. (AIR CORE).
**L1 6 turns, (approx. — depends upon circuit layout) AWG #24
enameled copper wire, close wound on 7/32″ ceramic coil
form. Tuning provided by an aluminum slug.
**L2 1 turn, AWG #16 enameled copper wire, 3/8″ I.D.
(AIR CORE).
**L3 1/2 turn, AWG #16 enameled copper wire, 1/4″ I.D.
(AIR CORE).
Figure 2. 100 MHz and 400 MHz Neutralized Test Circuit
2
Motorola Small–Signal Transistors, FETs and Diodes Device Data
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