|Category||Analog & Mixed-Signal Processing => Amplifiers|
|Description||750/860 MHZ Catv Line Amplifier|
|Datasheet||Download ACA0861B datasheet
Flat Gain Very Low Distortion Excellent Input/Output Match Low DC Power Consumption Good RF Stability with High VSWR Load Conditions Surface Mount Package Compatible with Automatic Assembly Low Cost Repeatability of Monolithic Fabrication Meets Cenelec StandardS7 Package 16 Pin Wide Body SOIC with Heat Slug PRODUCT DESCRIPTION
The ACA0861 family of surface mount monolithic GaAs RF Linear Amplifiers has been developed to replace, in new designs, the standard CATV Hybrid amplifiers currently in use. The MMICs consist of two parallel amplifiers, each with 12 dB gain. The Amplifiers are optimized for exceptionally low distortion and noise figure while providing flat gain and excellent input and output return loss. There are four differently specified amplifiers available: two input stages and two output stages. The ACA0861A and the ACA0861C are input stages and are specified at +34 dBmV flat output. The ACA0861B and ACA0861D are output stages and are specified at +44 dBmV flat output. A Hybrid equivalent is formed when one input stage ACA0861 is cascaded with an ACA0861 output stage between two transmission line baluns. For low gain applications a single ACA0861 can be used between baluns, for higher gain applications more than two ACA0861 can be cascaded between baluns. See ACA0861 application note for more information.
C, D Input Stages The ACA0861A and the ACA0861C are designed as input stages and are specified at +34 dBmV flat output. These parts can be used alone for low gain, low output level applications or can be cascaded with one of the ACA0861 output stages for higher gain and output signal drive level. The is a low power dissipation part designed to drive the ACA0861B output stage. The is a slightly higher power dissipation part and provides the needed distortion parameters to drive the ACA0861D output stage. Output Stages The ACA0861B and ACA0861D are designed as output stages and are specified at +44 dBmV flat output. These parts can be used alone for low gain, high output level applications or can be cascaded with one of the ACA0861 input stages for higher gain. The is a low power dissipation part designed as the output stage with an ACA0861A input stage. The is a higher power dissipation part designed as the output stage with an ACA0861C input stage. Cascaded, an ACA0861A and ACA0861B provide exceptional push-pull hybrid equivalent performance; an ACA0861C and an ACA0861D cascaded provide exceptional power doubling hybrid equivalent performance.
Table 1: Pin Description PIN NAME GND N/C RFINA GND RFINB IADJ GND DESCRIPTION Ground No Connection Input to Amplifier A Ground Input to Amplifier B Current Adjust Ground PIN
DESCRIPTION Ground Supply for Amplifier B Output from Amplifier B Ground Output from Amplifier A Supply for Amplifier A Ground
PARAMETER Amplifier Supplies (pins RF Input Power (pins 3, 6) Storage Temperature Soldering Temperature Soldering Time
Stresses in excess of the absolute ratings may cause permanent damage. Functional operation is not implied under these conditions. Exposure to absolute ratings for extended periods of time may adversely affect reliability. Notes: 1. Pins 3 and 6 should be AC-coupled. No external DC bias should be applied. 2. Pin 7 should be pulled to ground through a resistor or left open-circuited. No external DC bias should be applied.
PARAMETER RF Frequency Supply: VD (pins Operating Temperature: TA MIN 40 -40 TYP +12 MAX 860 +110 UNIT MHz C °C
The device may be operated safely over these conditions; however, parametric performance is guaranteed only over the conditions defined in the electrical specifications.
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