-70
-60
-50
-40
-30
100
105
110
115
120
UD level [dBu]
Au
d
i
o
Le
v
e
l
[
d
BV
]
1. Featuring exceptional intermodulation
characteristics - optimal for AGC
circuits
Low cross-modulation distortion,
making them suitable for AM circuits
2. Low capacitance with small forward
resistance
High linearity RF characteristics
3. Small surface-mount package
Features:
PIN Diodes for Attenuators
The new RN77 Series!
RN771V
(UMD2)
RN779F
(UMD3)
RN779D
(SMD3)
(External Dimensions)
RN771V (UMD2)
RN779F (UMD3)
RN779D (SMD3)
Lead-free
Lead-free Lead-free
The ROHM Diode Manufacturing Department has developed PIN
diodes optimized for car audio and car antenna AGC (Auto Gain
Control) applications. A press announcement will be held in
conjunction with this release. Therefore, it is recommended that
promotion of the products be conducted at this time.
1
10
100
1000
10000
0.01
0.1
1
10
IF(mA)
R
f(
)
RN77 Series
RN77 Series
VR
Ct
Rf
7max.
(IF=10mA)
KP2310S
RN779D
SMD3(2916)
50Vmin.
0.9pFmax.
(V=35V)
7max.
(IF=10mA)
KP2310R
RN779F
UMD3(2012)
50Vmin.
0.9pFmax.
(V=35V)
7max.
(IF=10mA)
KP2311E
RN771V
UMD2(1712)
50Vmin.
0.9pFmax.
(V=35V)
K
A
(1) K
(2) A
(3) AK
(1) K
(2) A
(3) AK
Part Number
Package
Equiv. Circuit
PIN Compatible
Competitor Pt. No.
Competitor
product
Competitor
product
Lineup
Cross-modulation Distortion Comparison
IF-Rf Characteristics Comparison
A
PPLICATIONS
: Car audio and car antenna AGC (Auto Gain Control) circuits
PDF 
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