NJM2594V-TE1

NJM2594
-1 -
DOUBLE BALANCED MODULATION / DEMODULATION
!
!!
! GENERAL DESCRIPTION !
!!
! PACKAGE OUTLINE
The NJM2594 is a double balanced modulation/demodulation circuit,
applied to suppressed carrier modulation, amplitude modulation,
synchronous detection, FM or PM detection circuit.
Single input voltage and simplification of external circuit offers
wider applications.
!
!!
! FEATURES
" Operating Voltage 4.5 to 9V
" Excellent Carrier Suppression
" Simplification of External Circuit
" Bipolar Technology
" Package Outline DMP8, SSOP8
!
!!
! BLOCK DIAGRAM
BLOCK DIAGRAM
NJM2594M
NJM2594V
8
1
2 43
567
V+
NC
BYPASS
CARRIER
INPUT
SIGNAL
INPUT
GND
OUTPUT1
OUTPUT2
NJM2594
- 2 -
!
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V
+
14.0 V
Power Dissipation P
D
250(SSOP-8), 300(DMP-8) mW
Operating Temperature T o p r - 40 to +85 °C
Storage Temperature T s t g - 40 to +125 °C
Output 2 Drive Current I d 10 mA
!
RECOMMENDED OPERATIONAL CONDITION
(Ta=25°C)
PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT
Supply Voltage V
+
4.5 5.0 9.0 V
!
ELECTRICAL CHARACTERISTICS
(Ta=25°C,V
+
=5.0V)
PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT
Current Consumption I c c No Signal - 11 14 mA
Conversion Gain
note(3)
G c
note(1)
- 2.0 0 + 2.0 dB
Signal Leakage Level
note(4)
L s
note(1)
- -35 -20 dB
Carrier Leakage Level
note(5)
L c
note(1)
- -40 -20 dB
Intermodulation
note(6)
I M D
note (2)
- - 60 - dB
Signal Input Resistance R s
- 600 -
Signal Input Capacitance C s
note (7)
- 3.8 - pF
Carrier Input Resistance R c
- 1200 -
Carrier Input Capacitance C c
note (7)
- 2.2 - pF
Output Resistance R o OUTPUT1 terminal - 350 -
Output Capacitance C o OUTPUT1 terminal
note (7)
- 2.6 - pF
Notes :
(1) Input signal : Fs=1.75MHz, 70mVrms(-10dBm)
Carrier signal : Fc=28.25MHz,100mVrms(-7dBm)
Desired output signal : fundamental carrier upper-sideband output, Fd=30MHz
(2) Input signal 1 : Fs1=1.75MHz, 42.5mVrms(-14.42dBm)
Input signal 2 : Fs2=2.00MHz, 42.5mVrms(-14.42dBm)
Carrier signal : Fc=28.25MHz,100mVrms(-7dBm)
(3) The ratio of desired output signal level to input signal level
(4) The ratio of output signal at input signal frequency to desired output signal
(5) The ratio of output signal at carrier signal frequency to desired output signal
(6) The ratio of 29.75MHz Intermodulation signal to desired output signal
(7) Measured at 10MHz
NJM2594
-
3
-
!
MEASUREMENT CIRCUIT
" Emitter - follower Output
Items for measurement : Conversion Gain, Signal Leakage Level, Carrier Leakage Level, Intermodulation
Measured at OUTPUT2 (pin 3)
TEST CIRCUIT 1
" Collector Output
Items for measurement : Current Consumption
Measured at OUTPUT1 (pin2)
TEST CIRCUIT 2
Notes :
(1)Impedance-matching resistor
0.022uF
Signal Input
Fs
Carrier Input
Fc
0.01uF
50
50
V+
0.01uF
4
3
2
1
5
6
7
8
(1)
(1)
Open
0.01uF
0.01uF 330
4.3k
47
A
Spectrum
Analyzer
(Rin=50)
Signal Input
Fs
V+
Carrier Input
Fc
0.01uF
50
50
0.022uF
510
0.01uF
4
3
2
1
5
6
7
8
(1)
(1)
Open
0.01uF
0.01uF
Spectrum
Analyzer
(Rin=50)

NJM2594V-TE1

Mfr. #:
Manufacturer:
NJR (New Japan Radio)
Description:
Audio DSPs Mod/Demod
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet