Onkyo A 27 Service Manual

www.DataSheet4U.com

Cascadable Amplifier
10 to 1500 MHz

A27/ SMA27

V2

Features

Product Image

• HIGH OUTPUT LEVEL: +15.5 dBm (TYP.)

• HIGH THIRD ORDER IP: +28 dBm (TYP.)

• WIDE POWER SUPPLY RANGE: +5 TO +15 VOLTS

Description

The A27 RF amplifier is a discrete hybrid design, which uses
thin film manufacturing processes for accurate performance and
high reliability.
This single stage bipolar transistor feedback amplifier design
displays impressive performance over a broadband frequency
range. Both TO-8 and Surface Mount packages are
hermetically sealed, and MIL-STD-883 environmental screening

is available

.

Ordering Information

Part Number Package

A27 TO-8

SMA27 Surface Mount

CA27 SMA Connectorized

Electrical Specifications: Z0 = 50ΩΩΩΩ, VCC = +15 VDC

Parameter

Frequency MHz 5-1600 10-1500 10-1500

Small Signal Gain (min) dB 8.5 7.5 7.0

Gain Flatness (max) dB ±0.2 ±0.6 ±1.0

Reverse Isolation dB 15

Noise Figure (max) dB 7.5 9.0 9.5

Power Output

@ 1 dB comp. (min)

IP3 dBm +28

IP2 dBm +46

Second Order Harmonic IP dBm +50

VSWR Input / Output (max) 1.5:1 / 1.5:1 1.9:1 / 1.9:1 2.0:1 / 2.0:1

DC Current @ 15 Volts (max) mA 50 54 57

* Over temperature performance limits for part number CA27, guaranteed from 0oC to +50oC only.

1

M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.

Units

dBm 15.5 14.0 13.5

Typical Guaranteed

25ºC 0º to 50ºC -54º to +85ºC*

• North America Tel: [phone] / Fax: [phone]

• Europe Tel: [phone] / Fax: [phone]

• Asia/Pacific Tel: [phone] / Fax: [phone]

Visit www.macom.com for additional data sheets and product information.

Absolute Maximum Ratings

Parameter Absolute

Maximum

Storage Temperature -62ºC to +125ºC

Case Temperature +125ºC

DC Voltage +17 V

Continuous Input Power +13 dBm

Short Term Input power

(1 minute max.)

Peak Power (3 µsec max.) 0.5 W

“S” Series Burn-In

Temperature (case)

50 mW

+125ºC

Thermal Data: VCC = +15 VDC

Parameter Rating

Thermal Resistance θjc 45ºC/W

Transistor Power Dissipation Pd 0.435 W

Junction Temperature Rise

Above Case Tjc

+20ºC

Cascadable Amplifier
10 to 1500 MHz

A27/ SMA27

V2

Typical Performance Curves at +25°C

Outline Drawing: TO-8 *

WEIGHT: 1 gram (0.04 oz.) max

Outline Drawing: Surface Mount *

2

M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.

WEIGHT: 1 gram (0.04 oz.) max

Outline Drawing: SMA Connectorized *

WEIGHT: 19 grams (0.67 oz.) max

∗

Dimensions are inches (millimeters) ±0.015 (0.38) unless otherwise specified.

• North America Tel: [phone] / Fax: [phone]

• Europe Tel: [phone] / Fax: [phone]

• Asia/Pacific Tel: [phone] / Fax: [phone]

Visit www.macom.com for additional data sheets and product information.