Philips Semiconductors
Product specification
Double-balanced mixer and oscillator
NE/SA612A
DESCRIPTION
The NE/SA612A is a low-power VHF monolithic double-balanced
mixer with on-board oscillator and voltage regulator. It is intended for
low cost, low power communication systems with signal frequencies
to 500MHz and local oscillator frequencies as high as 200MHz. The
mixer is a 鈥淕ilbert cell鈥?multiplier configuration which provides gain
of 14dB or more at 45MHz.
The oscillator can be configured for a crystal, a tuned tank
operation, or as a buffer for an external L.O. Noise figure at 45MHz
is typically below 6dB and makes the device well suited for high
performance cordless phone/cellular radio. The low power
consumption makes the NE/SA612A excellent for battery operated
equipment. Networking and other communications products can
benefit from very low radiated energy levels within systems. The
NE/SA612A is available in an 8-lead dual in-line plastic package and
an 8-lead SO (surface mounted miniature package).
PIN CONFIGURATION
D, N Packages
INPUT A 1
INPUT B 2
GND 3
OUTPUT A 4
8
7
6
5
V
CC
OSCILLATOR
OSCILLATOR
OUTPUT B
SR00098
Figure 1. Pin Configuration
APPLICATIONS
FEATURES
鈥?/div>
Low current consumption
鈥?/div>
Low cost
鈥?/div>
Operation to 500MHz
鈥?/div>
Low radiated energy
鈥?/div>
Low external parts count; suitable for crystal/ceramic filter
鈥?/div>
Excellent sensitivity, gain, and noise figure
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Dual In-Line Plastic (DIP)
8-Pin Plastic Small Outline (SO) package (Surface-Mount)
8-Pin Plastic Dual In-Line Plastic (DIP)
8-Pin Plastic Small Outline (SO) package (Surface-Mount)
鈥?/div>
Cordless telephone
鈥?/div>
Portable radio
鈥?/div>
VHF transceivers
鈥?/div>
RF data links
鈥?/div>
Sonabuoys
鈥?/div>
Communications receivers
鈥?/div>
Broadband LANs
鈥?/div>
HF and VHF frequency conversion
鈥?/div>
Cellular radio mixer/oscillator
TEMPERATURE RANGE
0 to +70擄C
0 to +70擄C
-40 to +85擄C
-40 to +85擄C
ORDER CODE
NE612AN
NE612AD
SA612AN
SA612AD
DWG #
SOT97-1
SOT96-1
SOT97-1
SOT96-1
BLOCK DIAGRAM
8
V CC
VOLTAGE
REGULATOR
OSCILLATOR
7
6
5
GROUND
1
2
3
4
SR00099
Figure 2. Block Diagram
1990 Sep 17
1
853-0391 00446
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