UHF Linear Amplifier - Motorola
Description
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MHL9125/D
The RF Line
UHF Linear Amplifier
Designed specifically for linear amplifier applications in the cellular frequency band.
Internal DC blocking on RF ports reduces external component count and related circuit area.
These devices can be easily combined for higher power applications.
• Supply Voltage: 15 Vdc (MHL9125) Supply Voltage: 28 Vdc (MHL9128) • Third Order Intercept: 43 dBm Typ • Power Gain: 20 dB Typ (@ f = 900 MHz) • Excellent Phase Linearity and Group Delay Characteristics • 50 Ohm Input/Output Impedances
MHL9125 MHL9128
1.
3 W, 20 dB 800 – 960 MHz LINEAR AMPLIFIERS
CASE 448–02 MHL9125, Style 2 MHL9128, Style 1
ABSOLUTE MAXIMUM RATINGS (TC = 25°C unless otherwise stated)
Rating DC Supply Voltage RF Input Power Operating Case Temperature Range Storage Temperature Range MHL9125 MHL9128 Symbol VCC Pin TC Tstg Value 18 32 +20 – 20 to +100 – 40 to +100 Unit Vdc dBm °C °C
ELECTRICAL CHARACTERISTICS (VCC = 15 Vdc (MHL9125), 28 Vdc (MHL9128); TC = 25°C; 50 Ω System, unless otherwise noted)
Characteristic Supply Current Power Gain (1) Absolute Phase Variation (1) Gain Flatness Power Output @ 1 dB Comp.
Input VSWR Output VSWR MHL9128 MHL9125 (f = 900 MHz) (f = 900 MHz) (f = 800 – 960 MHz) (f = 900 MHz) (f = 800 – 920 MHz) (f = 920 – 960 MHz) (f = 800 – 960 MHz) Symbol IDC PG ∆φ GF Pout 1 dB VSWRin VSWRout ITO NF — 30 — — — 42 — Min 400 700 19 Typ — — 20 ±8 0.
5 31 1.
25:1 1.
50:1 1.
2:1 43 7.
5 Max 440 760 21 ± 18 0.
75 — 1.
5:1 1.
9:1 1.
5:1 — 9.
5 dBm dB Unit mA dB Deg.
dB dBm
Third Order Intercept (f1 = 879 MHz, f2 = 884 MHz) Noise Figure (f = 960 MHz)
(1) Consult factory for tighter gain and/or phase windows.
REV 1
RF DEVICE DATA ©MOTOROLA Motorola, Inc.
1997
MHL9125 MHL9128 1
PIN CONFIGURATION
1 INPUT
2
3
4
5 OUTPUT
C1
VCC
C1 ≥ 0.
01 µF (CHIP)
Figure 1.
MHL9125 External Connections (Case 448–02, Style 2)
PIN CONFIGURATION
1 INPUT
2
3
4
5 OUTPUT
R1
C1
C2
VCC
C1, C2 ≥ 0.
01 µ...
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