
2 Motorola Small–Signal Transistors, FETs and Diodes Device Data
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Max Unit
ON CHARACTERISTICS
DC Current Gain(2)
(IC = 3.0 mAdc, VCE = 1.0 Vdc) MPS918
(IC = 8.0 mAdc, VCE = 10 Vdc) MPS3563
hFE 20
20 —
200
—
Collector–Emitter Saturation V oltage
(IC = 10 mAdc, IB = 1.0 mAdc) MPS918 VCE(sat) — 0.4 Vdc
Base–Emitter Saturation V oltage
(IC = 10 mAdc, IB = 1.0 mAdc) MPS918 VBE(sat) —1.0 Vdc
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product(2)
(IC = 4.0 mAdc, VCE = 10 Vdc, f = 100 MHz) MPS918
(IC = 8.0 mAdc, VCE = 10 Vdc, f = 100 MHz) MPS3563
fT600
600 —
1500
MHz
Output Capacitance
(VCB = 0 Vdc, IE = 0, f = 1.0 MHz) MPS918
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz) MPS918
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz) MPS3563
Cobo —
—
—
3.0
1.7
1.7
pF
Input Capacitance
(VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) MPS918 Cibo —2.0 pF
Small–Signal Current Gain
(IC = 8.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MPS3563 hfe 20 250 —
Noise Figure
(IC = 1.0 mAdc, VCE = 6.0 Vdc, RS = 400 kΩ, f = 60 MHz) MPS918 NF — 6.0 dB
FUNCTIONAL TEST
Common–Emitter Amplifier Power Gain
(IC = 6.0 mAdc, VCB = 12 Vdc, f = 200 MHz) MPS918
(IC = 8.0 mAdc, VCE = 10 Vdc, f = 200 MHz) MPS3563
(Gfd + Gre
t
–20 dB)
Gpe 15
14 —
—
dB
Power Output
(IC = 8.0 mAdc, VCB = 15 Vdc, f = 500 MHz) MPS918 Pout 30 — mW
Oscillator Collector Efficiency
(IC = 8.0 mAdc, VCB = 15 Vdc, Pout = 30 mW, f = 500 MHz) MPS918 η25 — %
2. Pulse Test: Pulse Width
v
300
m
s; Duty Cycle
v
1.0%.