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PDF SA612A Data sheet ( Hoja de datos )
| Número de pieza | SA612A | |
| Descripción | Double-balanced mixer and oscillator | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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SA612A
Double-balanced mixer and oscillator
Rev. 3 — 4 June 2014
Product data sheet
1. General description
The SA612A is a low-power VHF monolithic double-balanced mixer with on-board
oscillator and voltage regulator. It is intended for low cost, low-power communication
systems with signal frequencies to 500 MHz and local oscillator frequencies as high as
200 MHz. The mixer is a ‘Gilbert cell’ multiplier configuration that provides gain of 14 dB or
more at 45 MHz.
The oscillator can be configured for a crystal, a tuned tank operation, or as a buffer for an
external LO. Noise figure at 45 MHz is typically below 6 dB and makes the device
well-suited for high-performance cordless phone/cellular radio. The low power
consumption makes the SA612A excellent for battery-operated equipment. Networking
and other communications products can benefit from very low radiated energy levels
within systems. The SA612A is available in an 8-lead SO (surface-mounted miniature
package).
2. Features and benefits
Low current consumption
Low cost
Operation to 500 MHz
Low radiated energy
Low external parts count; suitable for crystal/ceramic filter
Excellent sensitivity, gain, and noise figure
3. Applications
Cordless telephone
Portable radio
VHF transceivers
RF data links
Sonobuoys
Communications receivers
Broadband LANs
HF and VHF frequency conversion
Cellular radio mixer/oscillator
1 page  
NXP Semiconductors
SA612A
Double-balanced mixer and oscillator
SA612A
SA612A
SA612A
input
aaa-013374
aaa-013375
aaa-013376
a. Single-ended
tuned input
Fig 4. Input configuration
b. Balanced input
(for attenuation of
second-order
products)
c. Single-ended
untuned input
The mixer outputs (OUT_A and OUT_B pins) are also internally biased. Each output is
connected to the internal positive supply by a 1.5 k resistor. This permits direct output
termination yet allows for balanced output as well. Figure 5 shows three single-ended
output configurations and a balanced output.
CFU455
or equivalent
12 pF
Ctune(xtal)
SA612A
SA612A
Filter: K&L 38780 or equivalent
Ctune(xtal) matches 3.5 kΩ to next stage
aaa-013377
a. Single-ended ceramic filter
b. Single-ended crystal filter
aaa-013378
SA612A
SA612A
c. Single-ended IFT
Fig 5. Output configuration
aaa-013379
d. Balanced output
aaa-013380
SA612A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 4 June 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
5 of 19
5 Page 
NXP Semiconductors
SA612A
Double-balanced mixer and oscillator
14. Package outline
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Fig 16. Package outline SOT96-1 (SO8)
SA612A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 4 June 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
11 of 19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet SA612A.PDF ] | |
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