NEC's
NPN SILICON RF TWIN
TRANSISTOR
FEATURES
• • • • • LOW VOLTAGE, LOW CURRENT OPERATION LOW CAPACITANCE FOR WIDE TUNING RANGE SMALL PACKAGE OUTLINE: 1.
2 mm x 0.
8 mm LOW HEIGHT PROFILE: Just 0.
50 mm high
0.
4 1
UPA861TD
OUTLINE DIMENSIONS
(Units in mm)
Package Outline TD (TOP VIEW)
1.
0±0.
05 0.
8 +0.
07 -0.
05 (Top View)
0.
15±0.
05
6
C1
1
Q1
6
B1
vX
3
4
TWO DIFFERENT DIE TYPES: Q1 - Ideal buffer amplifier
transistor Q2 - Ideal oscillator
transistor IDEAL FOR 3 GHz OSCILLATORS
+0.
07 -0.
05
2
0.
8
5
1.
2
E1
0.
4
2 Q2
5
E2
•
C2
3
4
B2
NEC's UPA861TD contains one NE894 and one NE687
NPN high frequency silicon bipolar chip.
The NE894 is an excellent oscillator chip, featur...