3

TPV597

MOTOROLA RF DEVICE DATA

Figure 5. 860 MHz Test Circuit

Figure 6. Class A Bias Circuit

VSUPPLY

R4

R1

R2

R3

R5

2N2904

VBIAS

VCE

1N4007

C

C — 100

µF + 10 nF + 1.0 nF

R1 — 1.0 kohm

R2 — 330 ohm

R3 — 4.7 kohm

R4 — 5.6 ohm 1/2 W

R5 — 390 ohm

VBIAS

VCE

C

L

220 pF

0.8 – 15 pF

50

Ω

50

Ω

0.8 – 10 pF

220 pF

220 pF

C

C

L

50

Ω

50

Ω

2%

λg

7%

g

λ

10%

λg

L = 6 turns

ID = 1 mm

Wire diameter = 0.6 mm

The lengths are given for f = 860 MHz

NOTE:

lg is the wave length in the microstrip circuit