3

TPV695A

MOTOROLA RF DEVICE DATA

Figure 2. Bias Network

+ 25 V

15

Ω

0.3

Ω

10

µF

+ 25 V

20

Ω

3.3 k

Ω

2 k

Ω

10

µF

56

Ω

BD135

BL557A

BL557A

3.8 k

Ω

TPV695A

Intermodulation Distortion, 3 Tone

Test Conditions:

@ – 8 dB Ref. Vision Carrier, – 7 dB Ref. Sound Carrier,

–16 dB Ref. Sideband Signal

Pref = 14 Watts

VCB = 25 Volts & ICS = 2 x 900 mA

Frequency

MHz

IMD

dB

860

760

660

560

470

– 47

– 47

– 47

– 47

– 48

Figure 3. IMD versus Frequency

f

(MHz)

S11

S21

S12

S22

f

(MHz)

|S11|

∠ φ

|S21|

∠ φ

|S12|

∠ φ

|S22|

∠ φ

400

450

500

550

600

650

700

750

800

850

900

0.918

0.908

0.877

0.889

0.891

0.863

0.839

0.805

0.800

0.771

0.762

176.6

175.6

176.1

174.5

174.0

173.6

173.1

172.8

172.6

172.3

172.2

0.605

1.44

1.28

1.21

1.16

1.15

1.15

1.15

1.15

1.20

1.11

58.3

53.1

48.3

42.3

36.3

29.9

21.9

13.8

4.7

– 8.2

– 21.1

2.75

⋅10–4

3.01

⋅10–4

3.10

⋅10–4

3.72

⋅10–4

4.31

⋅10–4

6.11

⋅10–4

6.03

⋅10–4

6.55

⋅10–4

7.29

⋅10–4

8.39

⋅10–4

8.55

⋅10–4

– 8.2

– 11.8

– 12.8

– 16.3

– 18.5

– 25

– 34.3

– 39.9

– 46.6

– 57.4

– 67.6

0.449

0.452

0.438

0.452

0.466

0.469

0.500

0.541

0.583

0.673

0.759

– 173.1

– 172.4

– 171.7

– 170.1

– 168.9

– 167.2

– 165.5

– 164.2

– 163.5

– 163.1

– 164.3

Table 1. S–Parameters