2N3783 thru 2N3785
(GERMANIUM)
CASE 20
(TO-72)
PNP germanium epitaxial mesa transistors for highgain, low-noise amplif...
2N3783 thru 2N3785
(GERMANIUM)
CASE 20
(TO-72)
PNP germanium epitaxial mesa transistors for highgain, low-noise amplifier, oscillator and frequency multiplier applications.
MAXIMUM RATINGS
Rating
Collector-Base
Voltage
Collector-Emitter
Voltage
Collector-Emitter
Voltage
Emitter-Base
Voltage
Collector Current Total Device Diss~atioo @ TA = 250 C
Derate above 25 C
Junction Operating" Storage Temperature Range
Symbol
VCS VCES VCEO VEB
Ie
PD
TJ , Tstg
2N3783 2N3784
2N3785
30 15
Unit
Vde
30 15
Vde
20 12
Vde
0.5 Vde
20 mAde
150 mW 2.0 mW/oC
-65 to +100
°c
FIGURE 1 - 200 MHz TEST CIRCUIT: POWER GAIN & NOISE FIGURE
SHlno I eN 0.7 -9' pF
L·I OUT
0.7-9* PF~"*-fo) ~
2-8pF
470 pF
IN 470
2-l1 pF
JO.ODIIlF
MOTU.
L·I 14 inch inside diameter. \i Incllionath, 4turns #20 solid COjIper wire, center tapped.
f.! 14 inch inside diameter, close wound, 3 turns #26 solid copper wire. 1:1 ratio bj·filler wound.
* Hiah Quality piston type capacitor. Distance from emitter contact of tre...
