3

TPV596A

MOTOROLA RF DEVICE DATA

Figure 5. 860 MHz Test Circuit

Figure 6. Class A Bias Circuit

VBIAS

VCE

IN

50 OHM

OUT

50 OHM

C

C

L

220 pF

0.8 – 10 pF

0.8 – 10 pF

15

λg

50

Ω

50

Ω

220 pF

C

C

L

50

Ω

3%

λg

VSUPPLY = 20 – 25 V

R4

R1

R2

R3

R5

2N2904

VBIAS

VCE

1N4007

C

C — 100 F + 10 nF + 1.0 nF

R1 — 1.0 kohm

R2 — 330 ohm

R3 — 4.7 kohm

R4 — 10 ohm 1/2 W

R5 — 50 ohm

NOTE:

lg is the wave length in the microstrip circuit