MRF323 datasheet(2/5 Pages) MACOM

2 / 5 page

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

Characteristic

Unit

Max

Typ

Min

Symbol

DYNAMIC CHARACTERISTICS

Output Capacitance

(VCB = 28 Vdc, IE = 0, f = 1.0 MHz)

Cob

—

FUNCTIONAL TESTS (Figure 1)

Common–Emitter Amplifier Power Gain

(VCC = 28 Vdc, Pout = 20 W, f = 400 MHz)

GPE

—

Collector Efficiency

(VCC = 28 Vdc, Pout = 20 W, f = 400 MHz)

—

Load Mismatch

(VCC = 28 Vdc, Pout = 20 W, f = 400 MHz,

VSWR = 30:1 all phase angles)

No Degradation in Output Power

Figure 1. 400 MHz Test Circuit Schematic

C1, C2, C6 — 1.0–20 pF Johanson Trimmer (JMC 5501)

C3, C4 — 47 pF ATC Chip Capacitor

C5, C8 — 0.1

µF Erie Redcap

C7 — 0.5–10 pF Johanson Trimmer (JMC 5201)

C9, C10 — 680 pF Feedthru

C11 — 1.0

µF 50 Volt Tantalum

C12 — 0.018

µF Vitramon Chip Capacitor

L1 — 0.33

µH Molded Choke with Ferroxcube Bead

L1 — (Ferroxcube 56–590–65/4B) on Ground End

L2 — 6 Turns #20 Enamel, 1/4

″ ID, Closewound

L3 — 4 Turns #20 Enamel, 1/8

″ ID, Closewound

L4 — Ferroxcube VK200–19/4B

R1 — 5.1

Ω 1/4 Watt

Z1 — Microstrip 0.1

″ W x 1.35″ L

Z2 — Microstrip 0.1

″ W x 0.55″ L

Z3 — Microstrip 0.1

″ W x 0.8″ L

Z4 — Microstrip 0.1

″ W x 1.75″ L

Board — Glass Teflon

εr = 2.56, t = 0.062″

Input/Output Connectors — Type N

DUT

C12

C11

C10

28 V

RF INPUT

RF OUTPUT

MRF323 Scheda tecnica(PDF) 2 Page - Tyco Electronics

MRF323 Scheda tecnica(HTML) 2 Page - Tyco Electronics

Html Pages

1 2 3 4 5

Scheda tecnica Scarica

Link URL