MHW903 datasheet(2/8 Pages) MOTOROLA

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MHW903 MHW953 MHW954

MOTOROLA RF DEVICE DATA

ELECTRICAL CHARACTERISTICS — continued (Vs1 = Vs2 = Vs3 = 7.2 Vdc; Vb = 5.0 Vdc for MHW903/953)

ELECTRICAL CHARACTERISTICS — continued (Vs1 = Vs2 = 7.2 Vdc; Vb = 4.5 Vdc for MHW954)

ELECTRICAL CHARACTERISTICS — continued (TC = 25°C; 50 ohm system, unless otherwise noted)

Characteristic

Symbol

Min

Max

Unit

Efficiency (Pout = 3.5 W; Pin = 1.0 mW) MHW903/ 953 (1)

Efficiency (Pout = 3.5 W) MHW954 (2)

—

Harmonics (Pout = 3.5 W; Pin = 1.0 mW) MHW903/ 953 (1) 2.0 fo

3.0 fo

Harmonics (Pout = 3.5 W) MHW954 (2)

2.0 fo

3.0 fo

—

– 35

– 45

– 30

– 40

dBc

Noise Power (In 30 kHz Bandwidth, 20 MHz above fo) (TC = 25°C – 100°C)

(Pout = 0.3– 3.5 W; Vs1 = Vs2 = Vs3 = 6.25– 9.0 Vdc, Pin = 1.0 mW) MHW903/ 953 (1)

(Pout = 0.3– 3.5 W; Vs1 = Vs2 = 6.25– 9.0 Vdc) MHW954 (2)

—

– 65

– 75

dBm

Output Power, Low Voltage (Pin = 1.0 mW; Vs1 = Vs2 = Vs3 = 6.25 Vdc; Vcont = 3.0 Vdc) MHW903/953

Output Power, Low Voltage (Pin = 100 mW; Vs1 = Vs2 = 6.25 Vdc) MHW954

Po1

2.0

2.3

—

Isolation (Pin = 1.0 mW; Vcont = 0 Vdc; Vs1 = Vb = 0 – 5 Vdc) MHW903/ 953 only (1)

—

– 36

dBm

3.0 dB Vcont Bandwidth (Pin = 1.0 mW; Pout = 0.03– 3.5 W) MHW903/ 953 only (1)

—

1.0

—

MHz

% AM In Output

(Pout = 0.035– 3.5 W; 135 kHz, 1% AM on Input) MHW954 only (2)

—

Load Mismatch Stress (Pin = 2.0 mW; Pout = 3.5 W; Vs1 = Vs2 = Vs3 = 9.0 Vdc) MHW903/ 953 (1)

Load Mismatch Stress (Pout = 3.5 W; Vb = 4.75 Vdc; Vs1 = Vs2 = 9.0 Vdc) MHW954 (2)

Load Mismatch Stress (Load VSWR = 10:1, All Phase Angles at Frequency of Test)

No degradation

in output power

before and after test

Stability

(Pin = 0.5 to 2.0 mW; Pout = 0.03– 3.5 W; Vs1 = Vs2 = Vs3 = 6.0 to 9.0 Vdc) MHW903/ 953 (1)

(Pout = 0.03– 3.5 W; Vs1 = Vs2 = 6.0 to 9.0 Vdc) MHW954 (2)

(Load VSWR = 6:1, Source VSWR = 3:1, All Phase Angles at Frequency of Test)

—

All spurious outputs

more than 60 dB

below desired signal

NOTES:

1. Adjust Vcont for specified Pout; duty cycle = 12.5%, period = 4.6 ms

2. Adjust Pin for specified Pout; duty cycle = 12.5%, period = 4.6 ms

Figure 1. Test Circuit Diagram — MHW903 / 953

PIN DESIGNATIONS:

Pin 1 — RF Input Power @ 0 dBm and Control Voltage @ 0 – 3.0 Vdc

Pin 2 — First and Second Stage Collector Supply Voltage @ 7.2 Vdc

Pin 3 — Trickle Base Bias Voltage @ 5.0 Vdc

Pin 4 — Third Stage Collector Supply Voltage @ 7.2 Vdc

Pin 5 — Fourth Stage Collector Supply Voltage @ 7.2 Vdc

Pin 6 — RF Output Power @ 3.5 W

ELEMENT VALUES:

C1=C2= 0.018

µF

C4=C6=C8=C10= 0.1

µF

C3=C5=C7=C9 = 1.0

µF Tant.

L1 – L3 = 0.29

µH Choke

L4, L5 = 0.15

µH Choke

Z1, Z2 = 50 Ohm Microstrip

CIRCUIT BLOCK DIAGRAM

RF INPUT

Vcont

Vs1

Vs2 + Vs3

RF OUTPUT

C10

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