MRF426 datasheet(2/5 Pages) MACOM

2 / 5 page

ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)

Characteristic

Unit

Max

Typ

Min

Symbol

ON CHARACTERISTICS

DC Current Gain

(IC = 1.0 Adc, VCE = 5.0 Vdc)

hFE

—

DYNAMIC CHARACTERISTICS

Output Capacitance

(VCB = 30 Vdc, IE = 0, f = 1.0 MHz)

Cob

—

FUNCTIONAL TESTS (SSB)

Common–Emitter Amplifier Gain

(VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz,

f2 = 30.001 MHz, ICQ = 25 mA)

GPE

—

Collector Efficiency

(VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz,

f2 = 30.001 MHz, ICQ = 25 mA)

—

Intermodulation Distortion (2)

(VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz,

f2 = 30.001 MHz, ICQ = 25 mA)

IMD(d3)

—

–35

–30

Load Mismatch

(VCC = 28 Vdc, Pout = 25 W (PEP), f1 = 30 MHz,

f2 = 30.001 MHz, ICQ = 25 mA, VSWR 30:1 at All Phase Angles)

No Degradation in Output Power

CLASS A PERFORMANCE

Intermodulation Distortion (2) and Power Gain

(VCC = 28 Vdc, Pout = 8.0 W (PEP), f1 = 30 MHz,

f2 = 30.001 MHz, ICQ = 1.2 Adc)

GPE

IMD(d3)

IMD(d5)

—

23.5

–40

–55

—

NOTE:

2. To Mil–Std–1311 Version A, Test Method 2204B, Two Tone, Reference each Tone.

Figure 1. 30 MHz Linear Test Circuit

C1, C2 — ARCO 469, 190–780 pF

C3, C4 — ARCO 464, 25–280 pF

C5 — 120 pF Dipped Mica

C6, C7 — 100

µF, 15 Vdc

C8 — 680 pF F.T. Allen Bradley

C9 — 1.0

µF 35 V Tantalum

CR1 — 1N4997

L1 — 3 Turns #16 0.25

″ ID

L2 — 6 Turns #16 0.5

″ ID

L3 — 7 Turns #20 0.38

″ ID

L4 — 10

µH Molded Choke Delevan

RFC1 — Ferroxcube VK200/20–4B

RFC2 — 3–Ferroxcube 5653065–3B

RF — Input/Output Connectors UG53 A/

R1 — 10

Ω 1/2 Watt 10%

Adjust Bias (Base) for ICQ = 20 mA with No RF Applied

BIAS

INPUT

RF OUTPUT

28 Vdc

RFC1

CR1

DUT

RFC2

MRF426 Datasheet(PDF) 2 Page - Tyco Electronics

MRF426 Datasheet(HTML) 2 Page - Tyco Electronics

Html Pages

1 2 3 4 5

Datasheet Download

Link URL