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ACA1205
750/870 MHz CATV Line Amplifier
FEATURES
* * * * * * * * *
Data Sheet - Rev 2.0
15 dB 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 Standard
APPLICATIONS
* *
CATV Distribution Amplifier High Linearity CATV Amplifier
S7 Package 16 Pin Wide Body SOIC with Heat Slug
parallel amplifiers, each with 15 dB gain. The amplifier is optimized for exceptionally low distortion and noise figure while providing flat gain and excellent input and output return loss.
PRODUCT DESCRIPTION
The ACA1205 is a surface mount monolithic GaAs RF Linear Amplifier that has been developed to replace, in new designs, the standard CATV Hybrid amplifiers currently in use. The MMIC consist of two
RF Input
15dB
12dB
15dB
12dB
RF Output
ACA1205
ACA0861B
Figure 1: Hybrid Application Diagram
08/2001
ACA1205
1 2 3 4 5 6 7 8
GND N/C RFINA GND GND RFINB IADJ GND
Figure 2: Pin Out
GND VA RFOUTA GND GND RFOUTB VB GND
16 15 14 13 12 11 10 9
Table 1: Pin Description
PIN 1 2 3 4 5 6 7 8
N AME GND N/C RFINA GND GND RFINB IADJ GND
D ESC R IPTION Ground No C onnecti on Input to Ampli fi er A Ground Ground Input to Ampli fi er B C urrent Adjust Ground
PIN 9 10 11 12 13 14 15 16
N AME GND VB RFOUTB GND GND RFOUTA VA GND
D ESC R IPTION Ground Supply for Ampli fi er B Output from Ampli fi er B Ground Ground Output from Ampli fi er A Supply for Ampli fi er A Ground
2
Data Sheet - Rev 2.0 08/2001
ACA1205
ELECTRICAL CHARACTERISTICS
Table 2: Absolute Minimum and Maximum Ratings
PAR AMETER Ampli fi er Suppli es (pi ns 10, 11, 14, 15) RF Input Power (pi ns 3, 6) Storage Temperature Solderi ng Temperature Solderi ng Ti me MIN 0 -65 MAX +15 +70 +150 +260 5.0 U N IT VD C dBmV C C se c
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 resistor R1, as shown in Figure 3. No external DC bias should be applied.
Table 3: Operating Ranges
PAR AMETER RF Frequency Supply: VDD (pi ns 10, 11, 14, 15) Operati ng Temperature
MIN 40 -40
TYP +12 -
MAX 870 +110
U N IT MHz VD C
O
C
The device may be operated safely over these conditions; however, parametric performance is guaranteed only over the conditions defined in the electrical specifications.
Data Sheet - Rev 2.0 08/2001
3
ACA1205 Table 4: Electrical Specifications (TA= +25C, VDD = +12 VDC)
PAR AMETER Gai n (1) Gai n Flatness Noi se Fi gure C TB
(2),( 3) (1)
MIN 14.5 -0.3 77 C hannels 110 C hannels 128 C hannels 77 C hannels 110 C hannels 128 C hannels 77 C hannels 110 C hannels 128 C hannels -
TYP 15 2.5 -70 -68 -65 -71 -71 -70 -67 -63 -59 180 22
MAX 15.5 +0.3 3.5 -64 -66 -56 200 1.0 6.0
U N IT dB dB dB dB c dB c dB c dB c dB c dB c dB c dB c dB c mA dB dB
C /W
(2)
C SO (2),( 3)
XMOD
(2),( 3)
Supply C urrent C able Equi valent Slope
(1)
-0.5 18
-
Return Loss (i nput/Output) (1)
Thermal Resi stance
-
Notes: (1) Measured performance of MMIC alone. Balun effects deimbedded from measurement. (2) Measured with a balun on input and output of the device. See Figure 3 for test setup. (3) Part measured with 110 channel flat input, +34 dBmV output (per channel).
+12 Vdc 1 N/C RF IN .01 uF 4 5 .01 uF 6 7 3.6 K R1 8 12dB 13 12 11 390 nH 10 9 +12 Vdc .01 uF 300pF 2 3 ACA1205 16 12dB 15 14 RF Out .01 uF 390 nH 300pF
Note: Apply voltage to both +12Vdc lines simultaneoulsy
Figure 3: Test Circuit 4
Data Sheet - Rev 2.0 08/2001
ACA1205
PERFORMANCE DATA
Figure 4: Gain/ S21 vs. Frequency
17
16
15
S21 (dB)
14
13
12
11 0 200 400 600 800 1000
Frequency (MHz)
Figure 5: Input Return Loss/ S11vs. Frequency
0 -5 -10
S11 (dB)
-15 -20 -25 -30 -35 -40 0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
Figure 6: Output Return Loss/ S22 vs. Frequency
5 0 -5 -10
S22 (dB)
-15 -20 -25 -30 -35 -40 0 200 400 600 800 1000
Frequency (MHz)
Data Sheet - Rev 2.0 08/2001
5
ACA1205
Figure 7: Reverse Isolation/ S12 vs. Frequency
0 -5 -10 -15
S12 (dB)
-20 -25 -30 -35 -40 -45 -50 0 200 400 600 800 1000
Frequency (MHz)
Figure 8: Noise Figure vs. Frequency
4 3.5 3
Noise Figure (dB)
2.5 2 1.5 1 0.5 0 0 100 200 300 400 500 600 700 800 900
Frequency (MHz)
Figure 9: CTB vs. Frequency (112 Channel Loading, Flat +34dBmV Output Level)
-50 -55 -60 -65 -70 -75 -80 0 200 400 600 800
CTB (dBc)
Frequency (MHz)
6
Data Sheet - Rev 2.0 08/2001
ACA1205
Figure 10: XMOD vs. Frequency (112 Channel Loading, Flat +34dBmV Output Level)
-45 -50
XMOD (dBc)
-55 -60 -65 -70 -75 0 200 400 600 800
Frequency (MHz)
Figure 11: CSO vs. Frequency (112 Channel Loading, Flat +34dBmV Output Level)
-60 -65
CSO (dBc)
-70 -75 -80 -85 -90 55 124 193 262 331 400 469 538 607 676 745
Frequency (MHz)
Data Sheet - Rev 2.0 08/2001
7
ACA1205
APPLICATION INFORMATION
The ACA1205 is designed as an input stage. This part 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 ACA1205 is a low power dissipation part designed as a driver for the ACA0861B output stage.
Figure 12: Evaluation Board Layout
Figure 13: Evaluation Board Schematic 8
Data Sheet - Rev 2.0 08/2001
ACA1205 Table 5: Evaluation Board Parts List
ITEM C 1,C 2,C 5,C 6 C 3,C 4 C7 C9 L1,L2 D ESC R IPTION 0.01uF. C HIP C AP. 300 pF. C HIP C AP. 47 uF ELEC T.C AP. NOT USED 390 nH C HIP IND . C ORE T1,T2- BALUN WIRE 3.6k OHMS TVS 12 VOLT. 600 WATT 75 OHMS. N MALE PANEL MOUNT. PRINTED C IRC UIT BOARD IND IUM 300 x 160 MILS 1 1 2 1 1 IND IUM C ORP. OF AMERIC A 14996Y 2 2 C OILC RAFT PHILLIPS MWS WIRE IND . D GI-KEY C ORP. D IGI-KEY C ORP. PASTERNAC K ENTERP. 1008C S-391 TC 3.4/1.8/1.3-3D 3 B2383611 (66256-01) P3.6KAC T-ND SMBJ12AC C C T-ND P E 4504 QU AN TITY 4 2 1 VEN D OR MURATA MURATA D IGI-KEY C ORP. VEN D OR P/N GRM39X7R1103K25V GRM39X7R301K25V P5275-ND
R1 TVS C ONNEC TOR
Notes: 1. T1, T2 (balun) wind 4 turns thru core as shown. (Figure 14). 2. N connector,center pin,should be approximately 80 mils in length. 3. Due to the high power dissapation of this devide the PC board should be mounted/ attached to a large heat sink.
Figure 14: Balun Drawing
Data Sheet - Rev 2.0 08/2001
9
ACA1205
PACKAGE OUTLINE
Figure 15: S7 Package Outline - 16 Pin Wide Body SOIC with Heat Slug
10
Data Sheet - Rev 2.0 08/2001
ACA1205
NOTES
Data Sheet - Rev 2.0 08/2001
11
ACA1205
ORDERING INFORMATION
OR D ER N U MB ER AC A1205S7C TR A C A 1205S 7C TEMPER ATU R E R AN GE -40C to 110C -40C to 110C PAC K AGE D ESC R IPTION 16 Pi n Wi de Body SOIC wi th Heat Si nk 16 Pi n Wi de Body SOIC wi th Heat Si nk C OMPON EN T PAC K AGIN G 1,500 Pi ece Tape & Reel Plasti c Tubes (25 pcs. per tube)
ANADIGICS, Inc.
141 Mount Bethel Road Warren, New Jersey 07059, U.S.A. Tel: +1 (908) 668-5000 Fax: +1 (908) 668-5132 URL: http://www.anadigics.com E-mail: Mktg@anadigics.com IMPORTANT NOTICE
ANADIGICS, Inc. reserves the right to make changes to its products or to discontinue any product at any time without notice. The product specifications contained in Advanced Product Information sheets and Preliminary Data Sheets are subject to change prior to a products formal introduction. Information in Data Sheets have been carefully checked and are assumed to be reliable; however, ANADIGICS assumes no responsibilities for inaccuracies. ANADIGICS strongly urges customers to verify that the information they are using is current before placing orders.
ANADIGICS products are not intended for use in life support appliances, devices or systems. Use of an ANADIGICS product in any such application without written consent is prohibited.
WARNING
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Data Sheet - Rev 2.0 08/2001

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