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12 - 1 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 HMC926LP5E v00.0810 functional diagram typical applications features general description 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz electrical specifcations, t a = +25 c, vs = +5v parameter 900 mhz tune [1] 1900 mhz tune [2] 2600 mhz tune [3] units min. typ. max. min. typ. max. min. typ. max. frequency range 0.7 - 1.2 1.8 - 2.4 2.3 - 2.7 ghz gain (maximum gain state) 36 38 30 32.5 25.5 27.5 db gain control range 31.5 31.5 31.5 db input return loss 16 19 13 db output return loss 13 10 13 db attenuation accuracy: (referenced to maximum gain state) (0.4 + 5% of attenuation setting) (0.5 + 6% of attenuation setting) (0.5 + 6% of attenuation setting) db output power for 1 db compression 21 24 22 25 22 25 dbm output third order intercept point (pout = 0 dbm per tone, 1 mhz spacing) 45 40 45 dbm noise figure 4.4 4.8 4.9 db switching characteristics ton (50% ctl to 90% rf) / toff (50% ctl to 10% rf) - - 400 / 150 ns total current 162 218 262 162 218 262 162 218 262 ma [1] see evaluation pcb and application circuit for 900 mhz tune. unless otherwise noted, typical performance at 900 mhz, with maximum gain state. [2] see evaluation pcb and application circuit for 1900 mhz tune. unless otherwise noted, typical performance at 1900 mhz, with maximum gain state. [3] see evaluation pcb and application circuit for 2600 mhz tune. unless otherwise noted, typical performance at 2600 mhz, with maximum gain state. the HMC926LP5E is ideal for: ? cellular infrastructure ? wibro, wimax and lte/4g ? microwave radio & vsat ? test equipment and sensors ? if & rf applications gain control range (in 0.5 db steps): @ 900 mhz, +6.5 to +38 db @ 1900 mhz, +1 to +32.5 db @ 2600 mhz, -4 to +27.5 db high output ip3: +45 dbm noise figure: 4.4 db convenient serial control interface 0.25 db typical step error 32 lead 5x5 mm smt package: 25 mm 2 the HMC926LP5E is a digitally controlled variable gain amplifer which operates from 700 mhz to 2700 mhz, and can be programmed to provide between +6.5 db to +38 db of gain, in 0.5 db steps at 900 mhz. gain control range is from +1 db to +32.5 db at 1900 mhz and from -4 db to +27.5 db at 2600 mhz. the HMC926LP5E delivers noise fgure of 4.4 db in its maximum gain state, with output ip3 of up to +45 dbm. the HMC926LP5E features a serial only gain control interface, a user selectable power up state, and a serial output for cascading other hittite serially controlled components.
12 - 2 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 input return loss (only major states are shown) bit error vs. frequency (only major states are shown) maximum gain vs. frequency [2] normalized attenuation (only major states are shown) output return loss (only major states are shown) bit error vs. attenuation state HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz 900 mhz tune [1] 20 24 28 32 36 40 44 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 +25 c +85 c -40 c frequency (ghz) gain (db) -30 -25 -20 -15 -10 -5 0 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) return loss (db) 0 db -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) bit error (db) 16 db 8 db 31.5 db -32 -28 -24 -20 -16 -12 -8 -4 0 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) normalized attenuation (db) -30 -25 -20 -15 -10 -5 0 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) return loss (db) -0.5 -0.25 0 0.25 0.5 0.75 1 1.25 1.5 0 4 8 12 16 20 24 28 32 0.7 ghz 0.8 ghz 0.9 ghz 1.0 ghz 1.1 ghz 1.2 ghz attenuation state (db) bit error (db) 0.8 ghz 0.9 ghz, 1 ghz 1.1 ghz, 1.2 ghz 0.7 ghz [1] see evaluation pcb and application circuit for 900 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation.
12 - 3 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 relative phase vs. frequency (only major states are shown) step error vs. frequency (only major states are shown) output p1db vs. frequency [2] output p1db vs. attenuation state @ 900 mhz HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz noise figure vs. temperature [2] noise figure vs. attenuation state -24 -16 -8 0 8 16 24 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) relative phase (deg) 31.5 db 16 db 0 2 4 6 8 10 12 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 +25 c +85 c -40 c frequency (ghz) noise figure (db) 10 15 20 25 30 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 +25 c +85 c -40 c frequency (ghz) p1db (dbm) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) step error (db) 16 db 4 db, 8 db 8 db 0 2 4 6 8 10 12 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 0 db 8 db 16 db frequency (ghz) noise figure (db) 0 5 10 15 20 25 30 0 4 8 12 16 20 24 28 32 +25 c +85 c -40 c attenuation state (db) p1db (dbm) [1] see evaluation pcb and application circuit for 900 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation. 900 mhz tune [1]
12 - 4 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 output ip3 vs. temperature [2][3] output ip3 vs. tone power [2] output ip3 vs. attenuation state @ 900 mhz HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz 20 25 30 35 40 45 50 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 +25 c +85 c -40 c frequency (ghz) ip3 (dbm) 15 20 25 30 35 40 45 50 0 4 8 12 16 20 24 28 32 pout = 0 dbm pout = -5 dbm attenuation state (db) ip3 (dbm) 20 25 30 35 40 45 50 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 pout = 0 dbm pout = +5 dbm pout = +10 dbm frequency (ghz) ip3 (dbm) [1] see evaluation pcb and application circuit for 900 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation. [3] two-tone output power @ 0 dbm 900 mhz tune [1]
12 - 5 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 input return loss (only major states are shown) bit error vs. frequency (only major states are shown) maximum gain vs. frequency [2] normalized attenuation (only major states are shown) output return loss (only major states are shown) bit error vs. attenuation state 1900 mhz tune [1] HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz 20 24 28 32 36 40 44 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 +25 c +85 c -40 c frequency (ghz) gain (db) -30 -25 -20 -15 -10 -5 0 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) return loss (db) 0 db -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) bit error (db) 8 db,16 db 4 db 31.5 db -32 -28 -24 -20 -16 -12 -8 -4 0 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) normalized attenuation (db) -30 -25 -20 -15 -10 -5 0 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) return loss (db) -0.5 -0.25 0 0.25 0.5 0.75 1 1.25 1.5 0 4 8 12 16 20 24 28 32 1.8 ghz 1.9 ghz 2.0 ghz 2.1 ghz 2.2 ghz 2.3 ghz 2.4 ghz attenuation state (db) bit error (db) 2.4 ghz 1.8 ghz - 2.2 ghz 2.3 ghz [1] see evaluation pcb and application circuit for 1900 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation.
12 - 6 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 relative phase vs. frequency (only major states are shown) step error vs. frequency (only major states are shown) output p1db vs. frequency [2] output p1db vs. attenuation state @ 1900 mhz noise figure vs. temperature [2] noise figure vs. attenuation state HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz -24 -16 -8 0 8 16 24 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) relative phase (deg) 31.5 db 16 db 0 2 4 6 8 10 12 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 +25 c +85 c -40 c frequency (ghz) noise figure (db) 10 15 20 25 30 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 +25 c +85 c -40 c frequency (ghz) p1db (dbm) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) step error (db) 16 db 8 db 2 db, 4 db 0 2 4 6 8 10 12 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 0 db 8 db 16 db frequency (ghz) noise figure (db) 0 5 10 15 20 25 30 0 4 8 12 16 20 24 28 32 +25 c +85 c -40 c attenuation state (db) p1db (dbm) [1] see evaluation pcb and application circuit for 1900 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation. 1900 mhz tune [1]
12 - 7 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 output ip3 vs. temperature [2][3] output ip3 vs. tone power [2] output ip3 vs. attenuation state @ 1900 mhz HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz 20 25 30 35 40 45 50 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 +25 c +85 c -40 c frequency (ghz) ip3 (dbm) 5 10 15 20 25 30 35 40 45 0 4 8 12 16 20 24 28 32 pout = 0 dbm pout = -5 dbm attenuation state (db) ip3 (dbm) 20 25 30 35 40 45 50 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 pout = 0 dbm pout = +5 dbm pout = +10 dbm frequency (ghz) ip3 (dbm) [1] see evaluation pcb and application circuit for 1900 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation. [3] two-tone output power @ 0 dbm 1900 mhz tune [1]
12 - 8 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 input return loss (only major states are shown) bit error vs. frequency (only major states are shown) maximum gain vs. frequency [2] normalized attenuation (only major states are shown) output return loss (only major states are shown) bit error vs. attenuation state 2600 mhz tune [1] HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz 20 24 28 32 36 40 44 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 +25 c +85 c -40 c frequency (ghz) gain (db) -30 -25 -20 -15 -10 -5 0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) return loss (db) 0 db 8 db - 31.5 db -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) bit error (db) 8 db,16 db 4 db 31.5 db -32 -28 -24 -20 -16 -12 -8 -4 0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) normalized attenuation (db) -30 -25 -20 -15 -10 -5 0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) return loss (db) -0.5 -0.25 0 0.25 0.5 0.75 1 1.25 1.5 0 4 8 12 16 20 24 28 32 2.3 ghz 2.4 ghz 2.5 ghz 2.6 ghz 2.7 ghz attenuation state (db) bit error (db) 2.3 ghz - 2.6 ghz 2.7 ghz [1] see evaluation pcb and application circuit for 2600 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation.
12 - 9 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 relative phase vs. frequency (only major states are shown) step error vs. frequency (only major states are shown) output p1db vs. frequency [2] output p1db vs. attenuation state @ 2600 mhz noise figure vs. temperature [2] noise figure vs. attenuation state HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz -24 -16 -8 0 8 16 24 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) relative phase (deg) 31.5 db 16 db 0 2 4 6 8 10 12 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 +25 c +85 c -40 c frequency (ghz) noise figure (db) 10 15 20 25 30 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 +25 c +85 c -40 c frequency (ghz) p1db (dbm) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db frequency (ghz) step error (db) 16 db 8 db 4 db 2 db 0 2 4 6 8 10 12 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 0 db 8 db 16 db frequency (ghz) noise figure (db) -5 0 5 10 15 20 25 30 0 4 8 12 16 20 24 28 32 +25 c +85 c -40 c attenuation state (db) p1db (dbm) [1] see evaluation pcb and application circuit for 2600 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation. 2600 mhz tune [1]
12 - 10 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 output ip3 vs. temperature [2][3] output ip3 vs. tone power [2] output ip3 vs. attenuation state @ 2600 mhz HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz 20 25 30 35 40 45 50 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 +25 c +85 c -40 c frequency (ghz) ip3 (dbm) 5 10 15 20 25 30 35 40 45 50 0 4 8 12 16 20 24 28 32 pout = 0 dbm pout = -5 dbm attenuation state (db) ip3 (dbm) 20 25 30 35 40 45 50 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 pout = 0 dbm pout = +5 dbm pout = +10 dbm frequency (ghz) ip3 (dbm) [1] see evaluation pcb and application circuit for 2600 mhz tune. [2] maximum gain state with digital attenuation set to minimum attenuation. [3] two-tone output power @ 0 dbm 2600 mhz tune [1]
12 - 11 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 serial control interface the HMC926LP5E contains a 3-wire spi compatible digital interface (serin, clk, le). it is activated when p/s is kept high. the 6-bit serial word must be loaded msb frst. the positive-edge sensitive clk and le requires clean transitions. standard logic families work well. if mechanical switches were used, sufficient debouncing should be provided. when le is high, 6-bit data in the serial input register is transferred to the attenuator. when le is high clk is masked to prevent data transition during output loading. parameter typ. min. serial period, t sck 100 ns control set-up time, t cs 20 ns control hold-time, t ch 20 ns le setup-time, t ln 10 ns min. le pulse width, t lew 10 ns min le pulse spacing, t les 630 ns serial clock hold-time from le, t ckn 10 ns HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz
12 - 12 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 pup truth table le pup1 pup2 gain relative to maximum gain 0 0 0 -31.5 db 0 1 0 -24 db 0 0 1 -16 db 0 1 1 insertion loss control voltage input reference insertion loss d5 d4 d3 d2 d1 d0 high high high high high high 0 db high high high high high low -0.5 db high high high high low high -1 db high high high low high high -2 db high high low high high high -4 db high low high high high high -8 db low high high high high high -16 db low low low low low low -31.5 db any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. truth table if le is set to logic low at power-up, the logic state of pup1 and pup2 determines the power-up state of the part per pup truth table. the dvga latches in the desired power-up state approximately 200 ms after power-up. power-on sequence the ideal power-up sequence is: gnd, vs, digital inputs, rf inputs. the relative order of the digital inputs are not important as long as they are powered after vs / gnd power-up states control voltage table state vdd = +5v low 0 to 0.8v @ <1 a high 2 to 5v @ <1 a absolute maximum ratings electrostatic sensitive device observe handling precautions bias voltage (vdd) 5.5 v rf input power (rfin) (vdd = +5 vdc) +10 dbm up to 1 ghz +8 dbm from 1 - 2.7 ghz digital i/o (latch enable, clock, serial input, serial output, p/s, pup1-2) -0.5 to vdd +0.5v junction / channel temperature 150 c continuous pdiss (t= 85 c) (derate 26 mw/c above 85 c) 1.354 w thermal resistance (junction / channel to ground paddle) 48 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a typical supply current vs. vs vs (v) total is (ma) 4.5 153 5.0 218 5.5 288 note: amplifer will operate over full voltage ranges shown above. HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz
12 - 13 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 outline drawing notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative. 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pattern. part number package body material lead finish msl rating package marking [1] HMC926LP5E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h926 xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz
12 - 14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 pin descriptions pin number function description interface schematic 1 - 3, 5, 8, 13, 14, 16, 17, 23 - 25, 27, 28, 30 - 32 gnd these pins and package bottom must be connected to rf/dc ground. 4 rfi1 input and output of the 6-bit digital attenuator (6-bit dat). these pins are dc coupled and matched to 50 ohms. blocking capacitors are required. select value based on lowest frequency of operation. 29 rfo2 9 rfin this pin is dc coupled. an off chip dc blocking capacitor is required. 6 rfo1 rf output and dc bias (vcc) for the output stage. 7 n/c the pin is not connected internally; however, all data shown herein was measured with this pin connected to rf/dc ground externally. 10 serout serial input data delayed by 6 clock cycles. 12, 11 pup1, pup2 see pup truth table, control voltage table. 15 vdd supply voltage 18 p/s see truth table, control voltage table and timing diagram. 19 clk 20 serin 21 le 26 rfi2 this pin is dc coupled. off chip matching components are required. see application circuit herein. 22 rfout rf output and dc bias input for the amplifer. off chip matching components are required. see application circuit herein. HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz
12 - 15 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 evaluation pcb - 900 mhz the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hit - tite upon request. list of materials for evaluation pcb 131836 [1] item description j1 - j4 johnson sma connector j5 2 mm vertical molex 18 pos connector j6 2 mm vertical molex 4 pos connector c1, c2, c4, c11, c13, c16 100 pf capacitor, 0402 pkg. c5 6.8 pf capacitor, 0402 pkg. c8 10 pf capacitor, 0402 pkg. c12 1.2 pf capacitor, 0402 pkg. c14, c17 1 nf capacitor, 0603 pkg. c15, c18 2.2 f capacitor, tantalum c19 4.7 f capacitor, 0805 pkg. l2, l6 18 nh inductor, 0402 pkg. l4 1.8 nh inductor, 0402 pkg. l5 1.2 nh inductor, 0402 pkg. item description l7 3.9 nh inductor, 0402 pkg. r3 1.8 ? resistor, 1206 pkg. u1 HMC926LP5E dvga pcb [2] 130533 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or roger 4350 HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz
12 - 16 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 application circuit - 900 mhz HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz note: the HMC926LP5E requires interconnection traces with matching components from rfo1 pin to rfi1 pin, and from rfo2 pin to rfi2 pin. the proper component network (l2, c2, c4, c5, l4, l5, c8, l6, l7, c11 and c12) for 900mhz applications is provided in this schematic. the performance of the HMC926LP5E would be sensitive to the placement of these components and variations in the component values. for best performance use the identical component placement with same length transmission lines as shown in the evaluation pcb C 900mhz. contact to factory if assistance is required on component placement and selection.
12 - 17 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 evaluation pcb - 1900 & 2600 mhz list of materials for evaluation pcb [1] item description j1-j4 johnson sma connector j5 2 mm vertical molex 18 pos connector j6 2 mm vertical molex 4 pos connector c1 3 pf capacitor, 0402 pkg. c2, c4, c9, c13, c16 100 pf capacitor, 0402 pkg. c3 0.6 pf capacitor, 0402 pkg. c6, c10 1.5 pf capacitor, 0402 pkg. c7 [2] capacitor, 0402 pkg. c14, c17 1 nf capacitor, 0603 pkg. c15, c18 2.2 f capacitor, tantalum c19 4.7 f capacitor, 0805 pkg. l1 4.7 nh inductor, 0402 pkg. l2 2.0 nh inductor, 0402 pkg. l3 [2] inductor, 0402 pkg. l6 2.7 nh inductor, 0402 pkg. r1-r2 0 ? resistor, 0402 pkg. r3 1.8 ? resistor, 1206 pkg. item description u1 HMC926LP5E dvga pcb [3] 130533 evaluation pcb [1] when requesting an evaluation board, please reference the appropriate evaluation pcb number listed in the table compo - nents for selected frequency tune [2] please refer to components for selected frequency tune table for values [3] circuit board material: arlon 25fr or roger 4350 the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hit - tite upon request. HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz
12 - 18 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com variable gain amplifiers - digital - smt 12 components for selected frequency tune tune option evaluation pcb number l3 c7 1900 mhz 131838 2.7 nh 3.9 pf 2600 mhz 131839 3.3 nh 2.7 pf application circuit - 1900 & 2600 mhz HMC926LP5E v00.0810 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 2700 mhz note: the HMC926LP5E requires interconnection traces with matching components from rfo1 pin to rfi1 pin, and from rfo2 pin to rfi2 pin. the proper component network (l2, c2, c3, c4, l3, c6, c7, l6, c9, and c10) for 1900 & 2600 mhz applications is provided in this schematic. the performance of the HMC926LP5E would be sensitive to the placement of these components and variations in the component values. for best performance use the identical component placement with same length transmission lines as shown in the evaluation pcb C 1900 & 2600 mhz. contact to factory if assistance is required on component placement and selection.

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