Datasheets MRF644 Datasheet

Page 1

MRF644MOTOROLA RF DEVICE DATA

The RF Line

    

. . . designed for 12.5 Volt UHF large–signal amplifier applications in industrial and commercial FM equipment operating to 512 MHz.

• Specified 12.5 Volt, 470 MHz Characteristics — Output Power = 25 Watts Minimum Gain = 6.2 dB Efficiency = 60%

• Characterized with Series Equivalent Large–Signal Impedance Parameters

• Built–In Matching Network for Broadband Operation

• Tested for Load Mismatch Stress at all Phase Angles with 20:1 VSWR @

16–Volt High Line and 50% Overdrive

• Circuit board photomaster available upon request by

contacting RF Tactical Marketing in Phoenix, AZ.

MAXIMUM RATINGS

Rating Symbol Value Unit

Collector–Emitter Voltage V

CEO

16 Vdc

Collector–Base Voltage V

CBO

36 Vdc

Emitter–Base Voltage V

EBO

4.0 Vdc

Collector Current — Continuous I

4.0 Adc

Total Device Dissipation @ TC = 25°C

Derate above 25°C

103

0.59

Watts

W/°C

Storage Temperature Range T

stg

–65 to +150 °C

THERMAL CHARACTERISTICS

Characteristic Symbol Max Unit

Thermal Resistance, Junction to Case R

θJC

1.7 °C/W

ELECTRICAL CHARACTERISTICS (T

= 25°C unless otherwise noted.)

Characteristic

Symbol Min Typ Max Unit

OFF CHARACTERISTICS

Collector–Emitter Breakdown Voltage

(IC = 20 mAdc, IB = 0)

(BR)CEO

16 — — Vdc

Collector–Emitter Breakdown Voltage

(IC = 20 mAdc, VBE = 0)

(BR)CES

36 — — Vdc

Emitter–Base Breakdown Voltage

(IE = 5.0 mAdc, IC = 0)

(BR)EBO

4.0 — — Vdc

Collector Cutoff Current

(VCE = 15 Vdc, VBE = 0, TC = 25°C)

CES

— — 5.0 mAdc

(continued)

Order this document

by MRF644/D



SEMICONDUCTOR TECHNICAL DATA



25 W, 470 MHz

CONTROLLED Q

RF POWER TRANSISTOR NPN SILICON

CASE 316–01, STYLE 1

 Motorola, Inc. 1994

REV 6

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MRF644 2

MOTOROLA RF DEVICE DATA

ELECTRICAL CHARACTERISTICS — continued (T

= 25°C unless otherwise noted.)

Characteristic

Symbol Min Typ Max Unit

ON CHARACTERISTICS

DC Current Gain

(IC = 4.0 Adc, VCE = 5.0 Vdc)

40 70 100 —

DYNAMIC CHARACTERISTICS

Output Capacitance

(VCB = 12.5 Vdc, IE = 0, f = 1.0 MHz)

— 60 85 pF

FUNCTIONAL TESTS

Common–Emitter Amplifier Power Gain

(VCC = 12.5 Vdc, P

out

= 25 W, IC (MAX) = 3.6 Adc, f = 470 MHz)

6.2 7.0 — dB

Input Power

(VCC = 12.5 Vdc, P

out

= 25 W, f = 470 MHz)

— 5.0 6.0 Watts

Collector Efficiency

(VCC = 12.5 Vdc, P

out

= 25 W, IC (MAX) = 3.6 Adc, f = 470 MHz)

η 55 60 — %

Output Mismatch Stress

(VCC = 16 Vdc, Pin = Note 1, f = 470 MHz, VSWR = 20:1, All Phase Angles)

ψ *

No Degradation in Output Power

Series Equivalent Input Impedance

(VCC = 12.5 Vdc, P

out

= 25 W, f = 470 MHz)

— 1.2 + j3.3 — Ohms

Series Equivalent Output Impedance

(VCC = 12.5 Vdc, P

out

= 25 W, f = 470 MHz)

— 1.9 + j2.1 — Ohms

NOTE:

1. Pin = 150% of Drive Requirement for 25 W Output at 12.5 Vdc.

*ψ = Mismatch stress factor — the electrical criterion established to verify the device resistance to load mismatch failure. The mismatch stress

test is accomplished in the standard test fixture (Figure 1) terminated in a 20:1 minimum load mismatch at all phase angles.

Figure 1. Test Circuit Schematic

C1, C2, C7, C8 — 1.0–20 pF Johanson Variable C3 — 27 pF 100 mil ATC C4 — 30 pF 100 mil ATC C5, C6 — 33 pF 100 mil ATC C9 — 250 pF 100 mil ATC C10 — 100 pF UNELCO C11, C14 — 1.0 µF 35 V TANTALUM

C12, C13 — 680 pF Feedthrough L1 — 5″ #22 AWG 0.100″ ID L2 — 5″ #20 AWG 0.187″ ID RFC1 — Ferroxcube VK200–20–4B B — Ferroxcube Bead 56–590–65–3B Z1 — 0.25″ x 0.20″ Microstrip Z2 — 1.63″ x 0.20″ Microstrip

Z3 — 0.20″ x 0.20″ Microstrip Z4, Z5 — 1/2″ #18 AWG bent in a

Z4, Z5 — “V” shape 1/8″ Wide

Z6 — 0.20″ x 0.20″ Microstrip Z7 — 0.70″ x 0.20″ Microstrip Z8 — 0.33″ x 0.20″ Microstrip Z9 — 0.50″ x 0.20″ Microstrip Board — 62.5 mil Glass Teflon, εr = 2.55

RFC1

C10

Z1 Z2 Z3 Z4

Z5 Z6 Z7 Z8 Z9

C2 C3 C5

C7 C8

C4 C6

C11

C12 C13

C14

SOCKET

D.U.T.

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MRF644MOTOROLA RF DEVICE DATA

P , minus P

out in

(WATTS)

Figure 2. Power Output versus Power Input Figure 3. Power Output versus Frequency

Figure 4. Power Output versus Supply Voltage Figure 5. Power Saturation Profile

Figure 6. Series Equivalent Input–Output Impedance

P , POWER OUTPUT (WATTS)

out

P , POWER OUTPUT (WATTS)

out

P , POWER OUTPUT (WATTS)

out

VCC, SUPPLY VOLTAGE (VOLTS)

6 8 10 12 14 16 18 20

Pin, POWER INPUT (WATTS)

2 3 4 5 6 7 8 9

f, FREQUENCY (MHz)

460 480 500 520440

Pin, POWER INPUT (WATTS)

3 4 5 6 7 8 9

Pin = 8 W

VCC = 13.6 V

6 W

f = 470 MHz

12.5 V

VCC = 12.5 V

f = 470 MHz

Pin = 6 W

f = 470 MHz

VCC = 13.6 V

12.5 V

5.0

5.0 5.0

f = 450 MHz

470

f = 450 MHz

512

ZOL*

FREQUENCY

MHz

(OHMS)

ZOL*

(OHMS)

450 470 512

1.21 + j3.47

1.21 + j3.25

1.06 + j2.09

1.76 + j1.96

1.90 + j2.14

1.96 + j2.34

ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power, voltage and frequency.

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MRF644 4

MOTOROLA RF DEVICE DATA

PACKAGE DIMENSIONS

CASE 316–01

ISSUE D

NOTES:

1. FLANGE IS ISOLATED IN ALL STYLES.

STYLE 1:

PIN 1. EMITTER

2. COLLECTOR

3. EMITTER

4. BASE

DIM MIN MAX MIN MAX

MILLIMETERSINCHES

A 24.38 25.14 0.960 0.990 B 12.45 12.95 0.490 0.510 C 5.97 7.62 0.235 0.300 D 5.33 5.58 0.210 0.220 E 2.16 3.04 0.085 0.120 F 5.08 5.33 0.200 0.210 H 18.29 18.54 0.720 0.730 J 0.10 0.15 0.004 0.006 K 10.29 11.17 0.405 0.440 L 3.81 4.06 0.150 0.160 N 3.81 4.31 0.150 0.170

Q 2.92 3.30 0.115 0.130

R 3.05 3.30 0.120 0.130 U 11.94 12.57 0.470 0.495

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “T ypical” parameters can and do vary in different applications. All operating parameters, including “T ypicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.

Literature Distribution Centers:

USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. EUROPE: Motorola Ltd.; European Literature Centre; 88 T anners Drive, Blakelands, Milton Keynes, MK14 5BP, England. JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.

MRF644/D

*MRF644/D*

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